Merge branch 'perf/urgent' into perf/stat
authorIngo Molnar <mingo@elte.hu>
Tue, 26 Apr 2011 17:36:14 +0000 (19:36 +0200)
committerIngo Molnar <mingo@elte.hu>
Tue, 26 Apr 2011 17:36:17 +0000 (19:36 +0200)
Merge reason: We want to queue up dependent changes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
60 files changed:
Documentation/sound/alsa/SB-Live-mixer.txt
MAINTAINERS
arch/arm/mach-s3c2440/mach-gta02.c
arch/arm/mach-ux500/board-mop500.c
arch/x86/kernel/apm_32.c
arch/x86/kernel/cpu/perf_event.c
arch/x86/kernel/cpu/perf_event_intel.c
arch/x86/kernel/cpu/perf_event_p4.c
arch/xtensa/kernel/irq.c
drivers/ata/ahci.c
drivers/ata/ahci.h
drivers/ata/ata_piix.c
drivers/ata/libahci.c
drivers/ata/libata-core.c
drivers/ata/libata-eh.c
drivers/ata/pata_at91.c
drivers/base/syscore.c
drivers/parport/parport_pc.c
drivers/rtc/rtc-coh901331.c
drivers/tty/n_gsm.c
drivers/tty/serial/imx.c
drivers/xen/manage.c
fs/dcache.c
fs/ecryptfs/crypto.c
fs/ecryptfs/ecryptfs_kernel.h
fs/ecryptfs/file.c
fs/ecryptfs/inode.c
fs/ecryptfs/kthread.c
fs/ecryptfs/main.c
fs/ecryptfs/super.c
fs/gfs2/glock.c
fs/ubifs/recovery.c
fs/ubifs/super.c
include/linux/bit_spinlock.h
include/linux/dcache.h
include/linux/libata.h
include/linux/list_bl.h
include/linux/security.h
kernel/kexec.c
kernel/power/hibernate.c
kernel/power/suspend.c
scripts/kconfig/conf.c
security/capability.c
security/security.c
security/selinux/avc.c
security/selinux/hooks.c
security/selinux/include/avc.h
security/smack/smack_lsm.c
sound/pci/hda/hda_codec.c
sound/pci/hda/patch_realtek.c
sound/soc/codecs/jz4740.c
sound/soc/codecs/sn95031.c
sound/soc/codecs/wm8903.c
sound/soc/codecs/wm8994.c
sound/soc/codecs/wm_hubs.c
sound/soc/mid-x86/sst_platform.c
sound/soc/samsung/pcm.c
sound/soc/sh/fsi.c
sound/soc/soc-core.c
sound/soc/tegra/harmony.c

index f5639d4..f4b5988 100644 (file)
@@ -87,14 +87,14 @@ accumulator. ALSA uses accumulators 0 and 1 for left and right PCM.
 The result is forwarded to the ADC capture FIFO (thus to the standard capture
 PCM device).
 
-name='Music Playback Volume',index=0
+name='Synth Playback Volume',index=0
 
 This control is used to attenuate samples for left and right MIDI FX-bus
 accumulators. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
 The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
 
-name='Music Capture Volume',index=0
-name='Music Capture Switch',index=0
+name='Synth Capture Volume',index=0
+name='Synth Capture Switch',index=0
 
 These controls are used to attenuate samples for left and right MIDI FX-bus
 accumulator. ALSA uses accumulators 4 and 5 for left and right PCM.
index 1e2724e..1380312 100644 (file)
@@ -5396,7 +5396,7 @@ F:        drivers/media/video/*7146*
 F:     include/media/*7146*
 
 SAMSUNG AUDIO (ASoC) DRIVERS
-M:     Jassi Brar <jassi.brar@samsung.com>
+M:     Jassi Brar <jassisinghbrar@gmail.com>
 L:     alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:     Supported
 F:     sound/soc/samsung
index 0db2411..7166620 100644 (file)
@@ -409,6 +409,10 @@ struct platform_device s3c24xx_pwm_device = {
        .num_resources  = 0,
 };
 
+static struct platform_device gta02_dfbmcs320_device = {
+       .name = "dfbmcs320",
+};
+
 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
        {
                I2C_BOARD_INFO("pcf50633", 0x73),
@@ -523,6 +527,7 @@ static struct platform_device *gta02_devices[] __initdata = {
        &s3c_device_iis,
        &samsung_asoc_dma,
        &s3c_device_i2c0,
+       &gta02_dfbmcs320_device,
        &gta02_buttons_device,
        &s3c_device_adc,
        &s3c_device_ts,
index af91374..6e1907f 100644 (file)
@@ -178,16 +178,15 @@ static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
                .irq            = NOMADIK_GPIO_TO_IRQ(217),
                .platform_data  = &mop500_tc35892_data,
        },
-};
-
-/* I2C0 devices only available prior to HREFv60 */
-static struct i2c_board_info __initdata mop500_i2c0_old_devices[] = {
+       /* I2C0 devices only available prior to HREFv60 */
        {
                I2C_BOARD_INFO("tps61052", 0x33),
                .platform_data  = &mop500_tps61052_data,
        },
 };
 
+#define NUM_PRE_V60_I2C0_DEVICES 1
+
 static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
        {
                /* lp5521 LED driver, 1st device */
@@ -425,6 +424,8 @@ static void __init mop500_uart_init(void)
 
 static void __init mop500_init_machine(void)
 {
+       int i2c0_devs;
+
        /*
         * The HREFv60 board removed a GPIO expander and routed
         * all these GPIO pins to the internal GPIO controller
@@ -448,11 +449,11 @@ static void __init mop500_init_machine(void)
 
        platform_device_register(&ab8500_device);
 
-       i2c_register_board_info(0, mop500_i2c0_devices,
-                               ARRAY_SIZE(mop500_i2c0_devices));
-       if (!machine_is_hrefv60())
-               i2c_register_board_info(0, mop500_i2c0_old_devices,
-                                       ARRAY_SIZE(mop500_i2c0_old_devices));
+       i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
+       if (machine_is_hrefv60())
+               i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
+
+       i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
        i2c_register_board_info(2, mop500_i2c2_devices,
                                ARRAY_SIZE(mop500_i2c2_devices));
 }
index 0b4be43..adee12e 100644 (file)
 #include <linux/kthread.h>
 #include <linux/jiffies.h>
 #include <linux/acpi.h>
+#include <linux/syscore_ops.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -1238,6 +1239,7 @@ static int suspend(int vetoable)
 
        local_irq_disable();
        sysdev_suspend(PMSG_SUSPEND);
+       syscore_suspend();
 
        local_irq_enable();
 
@@ -1255,6 +1257,7 @@ static int suspend(int vetoable)
                apm_error("suspend", err);
        err = (err == APM_SUCCESS) ? 0 : -EIO;
 
+       syscore_resume();
        sysdev_resume();
        local_irq_enable();
 
@@ -1280,6 +1283,7 @@ static void standby(void)
 
        local_irq_disable();
        sysdev_suspend(PMSG_SUSPEND);
+       syscore_suspend();
        local_irq_enable();
 
        err = set_system_power_state(APM_STATE_STANDBY);
@@ -1287,6 +1291,7 @@ static void standby(void)
                apm_error("standby", err);
 
        local_irq_disable();
+       syscore_resume();
        sysdev_resume();
        local_irq_enable();
 
index 224a84f..dc9e212 100644 (file)
@@ -593,8 +593,12 @@ static int x86_setup_perfctr(struct perf_event *event)
                        return -EOPNOTSUPP;
        }
 
+       /*
+        * Do not allow config1 (extended registers) to propagate,
+        * there's no sane user-space generalization yet:
+        */
        if (attr->type == PERF_TYPE_RAW)
-               return x86_pmu_extra_regs(event->attr.config, event);
+               return 0;
 
        if (attr->type == PERF_TYPE_HW_CACHE)
                return set_ext_hw_attr(hwc, event);
@@ -616,8 +620,8 @@ static int x86_setup_perfctr(struct perf_event *event)
        /*
         * Branch tracing:
         */
-       if ((attr->config == PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
-           (hwc->sample_period == 1)) {
+       if (attr->config == PERF_COUNT_HW_BRANCH_INSTRUCTIONS &&
+           !attr->freq && hwc->sample_period == 1) {
                /* BTS is not supported by this architecture. */
                if (!x86_pmu.bts_active)
                        return -EOPNOTSUPP;
index 8fc2b2c..9ae4a2a 100644 (file)
@@ -25,7 +25,7 @@ struct intel_percore {
 /*
  * Intel PerfMon, used on Core and later.
  */
-static const u64 intel_perfmon_event_map[] =
+static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly =
 {
   [PERF_COUNT_HW_CPU_CYCLES]           = 0x003c,
   [PERF_COUNT_HW_INSTRUCTIONS]         = 0x00c0,
@@ -391,12 +391,12 @@ static __initconst const u64 nehalem_hw_cache_event_ids
 {
  [ C(L1D) ] = {
        [ C(OP_READ) ] = {
-               [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI            */
-               [ C(RESULT_MISS)   ] = 0x0140, /* L1D_CACHE_LD.I_STATE         */
+               [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS       */
+               [ C(RESULT_MISS)   ] = 0x0151, /* L1D.REPL                     */
        },
        [ C(OP_WRITE) ] = {
-               [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI            */
-               [ C(RESULT_MISS)   ] = 0x0141, /* L1D_CACHE_ST.I_STATE         */
+               [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES      */
+               [ C(RESULT_MISS)   ] = 0x0251, /* L1D.M_REPL                   */
        },
        [ C(OP_PREFETCH) ] = {
                [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS        */
@@ -998,6 +998,9 @@ intel_bts_constraints(struct perf_event *event)
        struct hw_perf_event *hwc = &event->hw;
        unsigned int hw_event, bts_event;
 
+       if (event->attr.freq)
+               return NULL;
+
        hw_event = hwc->config & INTEL_ARCH_EVENT_MASK;
        bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS);
 
@@ -1305,7 +1308,7 @@ static void intel_clovertown_quirks(void)
         * AJ106 could possibly be worked around by not allowing LBR
         *       usage from PEBS, including the fixup.
         * AJ68  could possibly be worked around by always programming
-        *       a pebs_event_reset[0] value and coping with the lost events.
+        *       a pebs_event_reset[0] value and coping with the lost events.
         *
         * But taken together it might just make sense to not enable PEBS on
         * these chips.
@@ -1409,6 +1412,18 @@ static __init int intel_pmu_init(void)
                x86_pmu.percore_constraints = intel_nehalem_percore_constraints;
                x86_pmu.enable_all = intel_pmu_nhm_enable_all;
                x86_pmu.extra_regs = intel_nehalem_extra_regs;
+
+               if (ebx & 0x40) {
+                       /*
+                        * Erratum AAJ80 detected, we work it around by using
+                        * the BR_MISP_EXEC.ANY event. This will over-count
+                        * branch-misses, but it's still much better than the
+                        * architectural event which is often completely bogus:
+                        */
+                       intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89;
+
+                       pr_cont("erratum AAJ80 worked around, ");
+               }
                pr_cont("Nehalem events, ");
                break;
 
@@ -1425,6 +1440,7 @@ static __init int intel_pmu_init(void)
 
        case 37: /* 32 nm nehalem, "Clarkdale" */
        case 44: /* 32 nm nehalem, "Gulftown" */
+       case 47: /* 32 nm Xeon E7 */
                memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids,
                       sizeof(hw_cache_event_ids));
                memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
index f4c1da2..44d4383 100644 (file)
@@ -946,7 +946,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
                if (!x86_perf_event_set_period(event))
                        continue;
                if (perf_event_overflow(event, 1, &data, regs))
-                       p4_pmu_disable_event(event);
+                       x86_pmu_stop(event, 0);
        }
 
        if (handled) {
index d77089d..4340ee0 100644 (file)
@@ -64,47 +64,41 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
 
 int arch_show_interrupts(struct seq_file *p, int prec)
 {
-       int j;
-
-       seq_printf(p, "%*s: ", prec, "NMI");
-       for_each_online_cpu(j)
-               seq_printf(p, "%10u ", nmi_count(j));
-       seq_putc(p, '\n');
        seq_printf(p, "%*s: ", prec, "ERR");
        seq_printf(p, "%10u\n", atomic_read(&irq_err_count));
        return 0;
 }
 
-static void xtensa_irq_mask(struct irq_chip *d)
+static void xtensa_irq_mask(struct irq_data *d)
 {
        cached_irq_mask &= ~(1 << d->irq);
        set_sr (cached_irq_mask, INTENABLE);
 }
 
-static void xtensa_irq_unmask(struct irq_chip *d)
+static void xtensa_irq_unmask(struct irq_data *d)
 {
        cached_irq_mask |= 1 << d->irq;
        set_sr (cached_irq_mask, INTENABLE);
 }
 
-static void xtensa_irq_enable(struct irq_chip *d)
+static void xtensa_irq_enable(struct irq_data *d)
 {
        variant_irq_enable(d->irq);
        xtensa_irq_unmask(d->irq);
 }
 
-static void xtensa_irq_disable(struct irq_chip *d)
+static void xtensa_irq_disable(struct irq_data *d)
 {
        xtensa_irq_mask(d->irq);
        variant_irq_disable(d->irq);
 }
 
-static void xtensa_irq_ack(struct irq_chip *d)
+static void xtensa_irq_ack(struct irq_data *d)
 {
        set_sr(1 << d->irq, INTCLEAR);
 }
 
-static int xtensa_irq_retrigger(struct irq_chip *d)
+static int xtensa_irq_retrigger(struct irq_data *d)
 {
        set_sr (1 << d->irq, INTSET);
        return 1;
index 39d829c..71afe03 100644 (file)
@@ -150,7 +150,7 @@ static const struct ata_port_info ahci_port_info[] = {
        {
                AHCI_HFLAGS     (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
                                 AHCI_HFLAG_YES_NCQ),
-               .flags          = AHCI_FLAG_COMMON,
+               .flags          = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
                .pio_mask       = ATA_PIO4,
                .udma_mask      = ATA_UDMA6,
                .port_ops       = &ahci_ops,
@@ -261,6 +261,12 @@ static const struct pci_device_id ahci_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
        { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
        { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
+       { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
+       { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
+       { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
+       { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
+       { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
+       { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
 
        /* JMicron 360/1/3/5/6, match class to avoid IDE function */
        { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
index 3986500..12c5282 100644 (file)
@@ -229,6 +229,10 @@ enum {
        EM_CTL_ALHD             = (1 << 26), /* Activity LED */
        EM_CTL_XMT              = (1 << 25), /* Transmit Only */
        EM_CTL_SMB              = (1 << 24), /* Single Message Buffer */
+       EM_CTL_SGPIO            = (1 << 19), /* SGPIO messages supported */
+       EM_CTL_SES              = (1 << 18), /* SES-2 messages supported */
+       EM_CTL_SAFTE            = (1 << 17), /* SAF-TE messages supported */
+       EM_CTL_LED              = (1 << 16), /* LED messages supported */
 
        /* em message type */
        EM_MSG_TYPE_LED         = (1 << 0), /* LED */
index 0bc3fd6..6f6e771 100644 (file)
@@ -309,6 +309,14 @@ static const struct pci_device_id piix_pci_tbl[] = {
        { 0x8086, 0x1d00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
        /* SATA Controller IDE (PBG) */
        { 0x8086, 0x1d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+       /* SATA Controller IDE (Panther Point) */
+       { 0x8086, 0x1e00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
+       /* SATA Controller IDE (Panther Point) */
+       { 0x8086, 0x1e01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
+       /* SATA Controller IDE (Panther Point) */
+       { 0x8086, 0x1e08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+       /* SATA Controller IDE (Panther Point) */
+       { 0x8086, 0x1e09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
        { }     /* terminate list */
 };
 
index 26d4523..ff9d832 100644 (file)
@@ -109,6 +109,8 @@ static ssize_t ahci_read_em_buffer(struct device *dev,
 static ssize_t ahci_store_em_buffer(struct device *dev,
                                    struct device_attribute *attr,
                                    const char *buf, size_t size);
+static ssize_t ahci_show_em_supported(struct device *dev,
+                                     struct device_attribute *attr, char *buf);
 
 static DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
 static DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
@@ -116,6 +118,7 @@ static DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
 static DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
 static DEVICE_ATTR(em_buffer, S_IWUSR | S_IRUGO,
                   ahci_read_em_buffer, ahci_store_em_buffer);
+static DEVICE_ATTR(em_message_supported, S_IRUGO, ahci_show_em_supported, NULL);
 
 struct device_attribute *ahci_shost_attrs[] = {
        &dev_attr_link_power_management_policy,
@@ -126,6 +129,7 @@ struct device_attribute *ahci_shost_attrs[] = {
        &dev_attr_ahci_host_version,
        &dev_attr_ahci_port_cmd,
        &dev_attr_em_buffer,
+       &dev_attr_em_message_supported,
        NULL
 };
 EXPORT_SYMBOL_GPL(ahci_shost_attrs);
@@ -343,6 +347,24 @@ static ssize_t ahci_store_em_buffer(struct device *dev,
        return size;
 }
 
+static ssize_t ahci_show_em_supported(struct device *dev,
+                                     struct device_attribute *attr, char *buf)
+{
+       struct Scsi_Host *shost = class_to_shost(dev);
+       struct ata_port *ap = ata_shost_to_port(shost);
+       struct ahci_host_priv *hpriv = ap->host->private_data;
+       void __iomem *mmio = hpriv->mmio;
+       u32 em_ctl;
+
+       em_ctl = readl(mmio + HOST_EM_CTL);
+
+       return sprintf(buf, "%s%s%s%s\n",
+                      em_ctl & EM_CTL_LED ? "led " : "",
+                      em_ctl & EM_CTL_SAFTE ? "saf-te " : "",
+                      em_ctl & EM_CTL_SES ? "ses-2 " : "",
+                      em_ctl & EM_CTL_SGPIO ? "sgpio " : "");
+}
+
 /**
  *     ahci_save_initial_config - Save and fixup initial config values
  *     @dev: target AHCI device
@@ -539,6 +561,27 @@ void ahci_start_engine(struct ata_port *ap)
 {
        void __iomem *port_mmio = ahci_port_base(ap);
        u32 tmp;
+       u8 status;
+
+       status = readl(port_mmio + PORT_TFDATA) & 0xFF;
+
+       /*
+        * At end of section 10.1 of AHCI spec (rev 1.3), it states
+        * Software shall not set PxCMD.ST to 1 until it is determined
+        * that a functoinal device is present on the port as determined by
+        * PxTFD.STS.BSY=0, PxTFD.STS.DRQ=0 and PxSSTS.DET=3h
+        *
+        * Even though most AHCI host controllers work without this check,
+        * specific controller will fail under this condition
+        */
+       if (status & (ATA_BUSY | ATA_DRQ))
+               return;
+       else {
+               ahci_scr_read(&ap->link, SCR_STATUS, &tmp);
+
+               if ((tmp & 0xf) != 0x3)
+                       return;
+       }
 
        /* start DMA */
        tmp = readl(port_mmio + PORT_CMD);
@@ -1897,7 +1940,17 @@ static void ahci_pmp_attach(struct ata_port *ap)
        ahci_enable_fbs(ap);
 
        pp->intr_mask |= PORT_IRQ_BAD_PMP;
-       writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
+
+       /*
+        * We must not change the port interrupt mask register if the
+        * port is marked frozen, the value in pp->intr_mask will be
+        * restored later when the port is thawed.
+        *
+        * Note that during initialization, the port is marked as
+        * frozen since the irq handler is not yet registered.
+        */
+       if (!(ap->pflags & ATA_PFLAG_FROZEN))
+               writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
 }
 
 static void ahci_pmp_detach(struct ata_port *ap)
@@ -1913,7 +1966,10 @@ static void ahci_pmp_detach(struct ata_port *ap)
        writel(cmd, port_mmio + PORT_CMD);
 
        pp->intr_mask &= ~PORT_IRQ_BAD_PMP;
-       writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
+
+       /* see comment above in ahci_pmp_attach() */
+       if (!(ap->pflags & ATA_PFLAG_FROZEN))
+               writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
 }
 
 int ahci_port_resume(struct ata_port *ap)
index 423c0a6..76c3c15 100644 (file)
@@ -4139,6 +4139,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
         */
        { "PIONEER DVD-RW  DVRTD08",    "1.00", ATA_HORKAGE_NOSETXFER },
        { "PIONEER DVD-RW  DVR-212D",   "1.28", ATA_HORKAGE_NOSETXFER },
+       { "PIONEER DVD-RW  DVR-216D",   "1.08", ATA_HORKAGE_NOSETXFER },
 
        /* End Marker */
        { }
@@ -5480,7 +5481,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
        if (!ap)
                return NULL;
 
-       ap->pflags |= ATA_PFLAG_INITIALIZING;
+       ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN;
        ap->lock = &host->lock;
        ap->print_id = -1;
        ap->host = host;
index 88cd22f..f26f2fe 100644 (file)
@@ -3316,6 +3316,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
        struct ata_eh_context *ehc = &link->eh_context;
        struct ata_device *dev, *link_dev = NULL, *lpm_dev = NULL;
        enum ata_lpm_policy old_policy = link->lpm_policy;
+       bool no_dipm = ap->flags & ATA_FLAG_NO_DIPM;
        unsigned int hints = ATA_LPM_EMPTY | ATA_LPM_HIPM;
        unsigned int err_mask;
        int rc;
@@ -3332,7 +3333,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
         */
        ata_for_each_dev(dev, link, ENABLED) {
                bool hipm = ata_id_has_hipm(dev->id);
-               bool dipm = ata_id_has_dipm(dev->id);
+               bool dipm = ata_id_has_dipm(dev->id) && !no_dipm;
 
                /* find the first enabled and LPM enabled devices */
                if (!link_dev)
@@ -3389,7 +3390,8 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 
        /* host config updated, enable DIPM if transitioning to MIN_POWER */
        ata_for_each_dev(dev, link, ENABLED) {
-               if (policy == ATA_LPM_MIN_POWER && ata_id_has_dipm(dev->id)) {
+               if (policy == ATA_LPM_MIN_POWER && !no_dipm &&
+                   ata_id_has_dipm(dev->id)) {
                        err_mask = ata_dev_set_feature(dev,
                                        SETFEATURES_SATA_ENABLE, SATA_DIPM);
                        if (err_mask && err_mask != AC_ERR_DEV) {
index 0da0dcc..a5fdbdc 100644 (file)
 
 
 #define DRV_NAME "pata_at91"
-#define DRV_VERSION "0.1"
+#define DRV_VERSION "0.2"
 
 #define CF_IDE_OFFSET      0x00c00000
 #define CF_ALT_IDE_OFFSET   0x00e00000
 #define CF_IDE_RES_SIZE     0x08
+#define NCS_RD_PULSE_LIMIT  0x3f /* maximal value for pulse bitfields */
 
 struct at91_ide_info {
        unsigned long mode;
@@ -49,8 +50,18 @@ struct at91_ide_info {
        void __iomem *alt_addr;
 };
 
-static const struct ata_timing initial_timing =
-       {XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0};
+static const struct ata_timing initial_timing = {
+       .mode           = XFER_PIO_0,
+       .setup          = 70,
+       .act8b          = 290,
+       .rec8b          = 240,
+       .cyc8b          = 600,
+       .active         = 165,
+       .recover        = 150,
+       .dmack_hold     = 0,
+       .cycle          = 600,
+       .udma           = 0
+};
 
 static unsigned long calc_mck_cycles(unsigned long ns, unsigned long mck_hz)
 {
@@ -109,6 +120,11 @@ static void set_smc_timing(struct device *dev,
        /* (CS0, CS1, DIR, OE) <= (CFCE1, CFCE2, CFRNW, NCSX) timings */
        ncs_read_setup = 1;
        ncs_read_pulse = read_cycle - 2;
+       if (ncs_read_pulse > NCS_RD_PULSE_LIMIT) {
+               ncs_read_pulse = NCS_RD_PULSE_LIMIT;
+               dev_warn(dev, "ncs_read_pulse limited to maximal value %lu\n",
+                       ncs_read_pulse);
+       }
 
        /* Write timings same as read timings */
        write_cycle = read_cycle;
index 90af294..c126db3 100644 (file)
@@ -73,6 +73,7 @@ int syscore_suspend(void)
 
        return ret;
 }
+EXPORT_SYMBOL_GPL(syscore_suspend);
 
 /**
  * syscore_resume - Execute all the registered system core resume callbacks.
@@ -95,6 +96,7 @@ void syscore_resume(void)
                                "Interrupts enabled after %pF\n", ops->resume);
                }
 }
+EXPORT_SYMBOL_GPL(syscore_resume);
 #endif /* CONFIG_PM_SLEEP */
 
 /**
index a3755ff..bc8ce48 100644 (file)
@@ -2550,7 +2550,6 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
                                         const struct parport_pc_via_data *via)
 {
        short inta_addr[6] = { 0x2A0, 0x2C0, 0x220, 0x240, 0x1E0 };
-       struct resource *base_res;
        u32 ite8872set;
        u32 ite8872_lpt, ite8872_lpthi;
        u8 ite8872_irq, type;
@@ -2561,8 +2560,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
 
        /* make sure which one chip */
        for (i = 0; i < 5; i++) {
-               base_res = request_region(inta_addr[i], 32, "it887x");
-               if (base_res) {
+               if (request_region(inta_addr[i], 32, "it887x")) {
                        int test;
                        pci_write_config_dword(pdev, 0x60,
                                                0xe5000000 | inta_addr[i]);
@@ -2571,7 +2569,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
                        test = inb(inta_addr[i]);
                        if (test != 0xff)
                                break;
-                       release_region(inta_addr[i], 0x8);
+                       release_region(inta_addr[i], 32);
                }
        }
        if (i >= 5) {
@@ -2635,7 +2633,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
        /*
         * Release the resource so that parport_pc_probe_port can get it.
         */
-       release_resource(base_res);
+       release_region(inta_addr[i], 32);
        if (parport_pc_probe_port(ite8872_lpt, ite8872_lpthi,
                                   irq, PARPORT_DMA_NONE, &pdev->dev, 0)) {
                printk(KERN_INFO
index 316f484..80f9c88 100644 (file)
@@ -220,6 +220,7 @@ static int __init coh901331_probe(struct platform_device *pdev)
        }
        clk_disable(rtap->clk);
 
+       platform_set_drvdata(pdev, rtap);
        rtap->rtc = rtc_device_register("coh901331", &pdev->dev, &coh901331_ops,
                                         THIS_MODULE);
        if (IS_ERR(rtap->rtc)) {
@@ -227,11 +228,10 @@ static int __init coh901331_probe(struct platform_device *pdev)
                goto out_no_rtc;
        }
 
-       platform_set_drvdata(pdev, rtap);
-
        return 0;
 
  out_no_rtc:
+       platform_set_drvdata(pdev, NULL);
  out_no_clk_enable:
        clk_put(rtap->clk);
  out_no_clk:
index 47f8cdb..74273e6 100644 (file)
@@ -1658,8 +1658,12 @@ static void gsm_queue(struct gsm_mux *gsm)
 
        if ((gsm->control & ~PF) == UI)
                gsm->fcs = gsm_fcs_add_block(gsm->fcs, gsm->buf, gsm->len);
-       /* generate final CRC with received FCS */
-       gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
+       if (gsm->encoding == 0){
+               /* WARNING: gsm->received_fcs is used for gsm->encoding = 0 only.
+                           In this case it contain the last piece of data
+                           required to generate final CRC */
+               gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
+       }
        if (gsm->fcs != GOOD_FCS) {
                gsm->bad_fcs++;
                if (debug & 4)
index cb36b0d..62df72d 100644 (file)
@@ -382,12 +382,13 @@ static void imx_start_tx(struct uart_port *port)
 static irqreturn_t imx_rtsint(int irq, void *dev_id)
 {
        struct imx_port *sport = dev_id;
-       unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS;
+       unsigned int val;
        unsigned long flags;
 
        spin_lock_irqsave(&sport->port.lock, flags);
 
        writel(USR1_RTSD, sport->port.membase + USR1);
+       val = readl(sport->port.membase + USR1) & USR1_RTSS;
        uart_handle_cts_change(&sport->port, !!val);
        wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
 
index 1ac9412..a2eee57 100644 (file)
@@ -8,6 +8,7 @@
 #include <linux/sysrq.h>
 #include <linux/stop_machine.h>
 #include <linux/freezer.h>
+#include <linux/syscore_ops.h>
 
 #include <xen/xen.h>
 #include <xen/xenbus.h>
@@ -70,8 +71,13 @@ static int xen_suspend(void *data)
        BUG_ON(!irqs_disabled());
 
        err = sysdev_suspend(PMSG_FREEZE);
+       if (!err) {
+               err = syscore_suspend();
+               if (err)
+                       sysdev_resume();
+       }
        if (err) {
-               printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n",
+               printk(KERN_ERR "xen_suspend: system core suspend failed: %d\n",
                        err);
                return err;
        }
@@ -95,6 +101,7 @@ static int xen_suspend(void *data)
                xen_timer_resume();
        }
 
+       syscore_resume();
        sysdev_resume();
 
        return 0;
index 129a357..22a0ef4 100644 (file)
@@ -99,12 +99,9 @@ static struct kmem_cache *dentry_cache __read_mostly;
 static unsigned int d_hash_mask __read_mostly;
 static unsigned int d_hash_shift __read_mostly;
 
-struct dcache_hash_bucket {
-       struct hlist_bl_head head;
-};
-static struct dcache_hash_bucket *dentry_hashtable __read_mostly;
+static struct hlist_bl_head *dentry_hashtable __read_mostly;
 
-static inline struct dcache_hash_bucket *d_hash(struct dentry *parent,
+static inline struct hlist_bl_head *d_hash(struct dentry *parent,
                                        unsigned long hash)
 {
        hash += ((unsigned long) parent ^ GOLDEN_RATIO_PRIME) / L1_CACHE_BYTES;
@@ -112,16 +109,6 @@ static inline struct dcache_hash_bucket *d_hash(struct dentry *parent,
        return dentry_hashtable + (hash & D_HASHMASK);
 }
 
-static inline void spin_lock_bucket(struct dcache_hash_bucket *b)
-{
-       bit_spin_lock(0, (unsigned long *)&b->head.first);
-}
-
-static inline void spin_unlock_bucket(struct dcache_hash_bucket *b)
-{
-       __bit_spin_unlock(0, (unsigned long *)&b->head.first);
-}
-
 /* Statistics gathering. */
 struct dentry_stat_t dentry_stat = {
        .age_limit = 45,
@@ -167,8 +154,8 @@ static void d_free(struct dentry *dentry)
        if (dentry->d_op && dentry->d_op->d_release)
                dentry->d_op->d_release(dentry);
 
-       /* if dentry was never inserted into hash, immediate free is OK */
-       if (hlist_bl_unhashed(&dentry->d_hash))
+       /* if dentry was never visible to RCU, immediate free is OK */
+       if (!(dentry->d_flags & DCACHE_RCUACCESS))
                __d_free(&dentry->d_u.d_rcu);
        else
                call_rcu(&dentry->d_u.d_rcu, __d_free);
@@ -330,28 +317,19 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
  */
 void __d_drop(struct dentry *dentry)
 {
-       if (!(dentry->d_flags & DCACHE_UNHASHED)) {
-               if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED)) {
-                       bit_spin_lock(0,
-                               (unsigned long *)&dentry->d_sb->s_anon.first);
-                       dentry->d_flags |= DCACHE_UNHASHED;
-                       hlist_bl_del_init(&dentry->d_hash);
-                       __bit_spin_unlock(0,
-                               (unsigned long *)&dentry->d_sb->s_anon.first);
-               } else {
-                       struct dcache_hash_bucket *b;
+       if (!d_unhashed(dentry)) {
+               struct hlist_bl_head *b;
+               if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED))
+                       b = &dentry->d_sb->s_anon;
+               else
                        b = d_hash(dentry->d_parent, dentry->d_name.hash);
-                       spin_lock_bucket(b);
-                       /*
-                        * We may not actually need to put DCACHE_UNHASHED
-                        * manipulations under the hash lock, but follow
-                        * the principle of least surprise.
-                        */
-                       dentry->d_flags |= DCACHE_UNHASHED;
-                       hlist_bl_del_rcu(&dentry->d_hash);
-                       spin_unlock_bucket(b);
-                       dentry_rcuwalk_barrier(dentry);
-               }
+
+               hlist_bl_lock(b);
+               __hlist_bl_del(&dentry->d_hash);
+               dentry->d_hash.pprev = NULL;
+               hlist_bl_unlock(b);
+
+               dentry_rcuwalk_barrier(dentry);
        }
 }
 EXPORT_SYMBOL(__d_drop);
@@ -1304,7 +1282,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
        dname[name->len] = 0;
 
        dentry->d_count = 1;
-       dentry->d_flags = DCACHE_UNHASHED;
+       dentry->d_flags = 0;
        spin_lock_init(&dentry->d_lock);
        seqcount_init(&dentry->d_seq);
        dentry->d_inode = NULL;
@@ -1606,10 +1584,9 @@ struct dentry *d_obtain_alias(struct inode *inode)
        tmp->d_inode = inode;
        tmp->d_flags |= DCACHE_DISCONNECTED;
        list_add(&tmp->d_alias, &inode->i_dentry);
-       bit_spin_lock(0, (unsigned long *)&tmp->d_sb->s_anon.first);
-       tmp->d_flags &= ~DCACHE_UNHASHED;
+       hlist_bl_lock(&tmp->d_sb->s_anon);
        hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon);
-       __bit_spin_unlock(0, (unsigned long *)&tmp->d_sb->s_anon.first);
+       hlist_bl_unlock(&tmp->d_sb->s_anon);
        spin_unlock(&tmp->d_lock);
        spin_unlock(&inode->i_lock);
        security_d_instantiate(tmp, inode);
@@ -1789,7 +1766,7 @@ struct dentry *__d_lookup_rcu(struct dentry *parent, struct qstr *name,
        unsigned int len = name->len;
        unsigned int hash = name->hash;
        const unsigned char *str = name->name;
-       struct dcache_hash_bucket *b = d_hash(parent, hash);
+       struct hlist_bl_head *b = d_hash(parent, hash);
        struct hlist_bl_node *node;
        struct dentry *dentry;
 
@@ -1813,7 +1790,7 @@ struct dentry *__d_lookup_rcu(struct dentry *parent, struct qstr *name,
         *
         * See Documentation/filesystems/path-lookup.txt for more details.
         */
-       hlist_bl_for_each_entry_rcu(dentry, node, &b->head, d_hash) {
+       hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
                struct inode *i;
                const char *tname;
                int tlen;
@@ -1908,7 +1885,7 @@ struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
        unsigned int len = name->len;
        unsigned int hash = name->hash;
        const unsigned char *str = name->name;
-       struct dcache_hash_bucket *b = d_hash(parent, hash);
+       struct hlist_bl_head *b = d_hash(parent, hash);
        struct hlist_bl_node *node;
        struct dentry *found = NULL;
        struct dentry *dentry;
@@ -1935,7 +1912,7 @@ struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
         */
        rcu_read_lock();
        
-       hlist_bl_for_each_entry_rcu(dentry, node, &b->head, d_hash) {
+       hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
                const char *tname;
                int tlen;
 
@@ -2086,13 +2063,13 @@ again:
 }
 EXPORT_SYMBOL(d_delete);
 
-static void __d_rehash(struct dentry * entry, struct dcache_hash_bucket *b)
+static void __d_rehash(struct dentry * entry, struct hlist_bl_head *b)
 {
        BUG_ON(!d_unhashed(entry));
-       spin_lock_bucket(b);
-       entry->d_flags &= ~DCACHE_UNHASHED;
-       hlist_bl_add_head_rcu(&entry->d_hash, &b->head);
-       spin_unlock_bucket(b);
+       hlist_bl_lock(b);
+       entry->d_flags |= DCACHE_RCUACCESS;
+       hlist_bl_add_head_rcu(&entry->d_hash, b);
+       hlist_bl_unlock(b);
 }
 
 static void _d_rehash(struct dentry * entry)
@@ -3025,7 +3002,7 @@ static void __init dcache_init_early(void)
 
        dentry_hashtable =
                alloc_large_system_hash("Dentry cache",
-                                       sizeof(struct dcache_hash_bucket),
+                                       sizeof(struct hlist_bl_head),
                                        dhash_entries,
                                        13,
                                        HASH_EARLY,
@@ -3034,7 +3011,7 @@ static void __init dcache_init_early(void)
                                        0);
 
        for (loop = 0; loop < (1 << d_hash_shift); loop++)
-               INIT_HLIST_BL_HEAD(&dentry_hashtable[loop].head);
+               INIT_HLIST_BL_HEAD(dentry_hashtable + loop);
 }
 
 static void __init dcache_init(void)
@@ -3057,7 +3034,7 @@ static void __init dcache_init(void)
 
        dentry_hashtable =
                alloc_large_system_hash("Dentry cache",
-                                       sizeof(struct dcache_hash_bucket),
+                                       sizeof(struct hlist_bl_head),
                                        dhash_entries,
                                        13,
                                        0,
@@ -3066,7 +3043,7 @@ static void __init dcache_init(void)
                                        0);
 
        for (loop = 0; loop < (1 << d_hash_shift); loop++)
-               INIT_HLIST_BL_HEAD(&dentry_hashtable[loop].head);
+               INIT_HLIST_BL_HEAD(dentry_hashtable + loop);
 }
 
 /* SLAB cache for __getname() consumers */
index d2a70a4..b8d5c80 100644 (file)
@@ -1452,6 +1452,25 @@ static void set_default_header_data(struct ecryptfs_crypt_stat *crypt_stat)
        crypt_stat->metadata_size = ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
 }
 
+void ecryptfs_i_size_init(const char *page_virt, struct inode *inode)
+{
+       struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
+       struct ecryptfs_crypt_stat *crypt_stat;
+       u64 file_size;
+
+       crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
+       mount_crypt_stat =
+               &ecryptfs_superblock_to_private(inode->i_sb)->mount_crypt_stat;
+       if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) {
+               file_size = i_size_read(ecryptfs_inode_to_lower(inode));
+               if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
+                       file_size += crypt_stat->metadata_size;
+       } else
+               file_size = get_unaligned_be64(page_virt);
+       i_size_write(inode, (loff_t)file_size);
+       crypt_stat->flags |= ECRYPTFS_I_SIZE_INITIALIZED;
+}
+
 /**
  * ecryptfs_read_headers_virt
  * @page_virt: The virtual address into which to read the headers
@@ -1482,6 +1501,8 @@ static int ecryptfs_read_headers_virt(char *page_virt,
                rc = -EINVAL;
                goto out;
        }
+       if (!(crypt_stat->flags & ECRYPTFS_I_SIZE_INITIALIZED))
+               ecryptfs_i_size_init(page_virt, ecryptfs_dentry->d_inode);
        offset += MAGIC_ECRYPTFS_MARKER_SIZE_BYTES;
        rc = ecryptfs_process_flags(crypt_stat, (page_virt + offset),
                                    &bytes_read);
index bd3cafd..e702827 100644 (file)
@@ -269,6 +269,7 @@ struct ecryptfs_crypt_stat {
 #define ECRYPTFS_ENCFN_USE_MOUNT_FNEK 0x00000800
 #define ECRYPTFS_ENCFN_USE_FEK        0x00001000
 #define ECRYPTFS_UNLINK_SIGS          0x00002000
+#define ECRYPTFS_I_SIZE_INITIALIZED   0x00004000
        u32 flags;
        unsigned int file_version;
        size_t iv_bytes;
@@ -295,6 +296,8 @@ struct ecryptfs_crypt_stat {
 struct ecryptfs_inode_info {
        struct inode vfs_inode;
        struct inode *wii_inode;
+       struct mutex lower_file_mutex;
+       atomic_t lower_file_count;
        struct file *lower_file;
        struct ecryptfs_crypt_stat crypt_stat;
 };
@@ -626,6 +629,7 @@ struct ecryptfs_open_req {
 int ecryptfs_interpose(struct dentry *hidden_dentry,
                       struct dentry *this_dentry, struct super_block *sb,
                       u32 flags);
+void ecryptfs_i_size_init(const char *page_virt, struct inode *inode);
 int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
                                        struct dentry *lower_dentry,
                                        struct inode *ecryptfs_dir_inode);
@@ -757,7 +761,8 @@ int ecryptfs_privileged_open(struct file **lower_file,
                             struct dentry *lower_dentry,
                             struct vfsmount *lower_mnt,
                             const struct cred *cred);
-int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry);
+int ecryptfs_get_lower_file(struct dentry *ecryptfs_dentry);
+void ecryptfs_put_lower_file(struct inode *inode);
 int
 ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes,
                             size_t *packet_size,
index cedc913..566e547 100644 (file)
@@ -191,10 +191,10 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
                                      | ECRYPTFS_ENCRYPTED);
        }
        mutex_unlock(&crypt_stat->cs_mutex);
-       rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
+       rc = ecryptfs_get_lower_file(ecryptfs_dentry);
        if (rc) {
                printk(KERN_ERR "%s: Error attempting to initialize "
-                       "the persistent file for the dentry with name "
+                       "the lower file for the dentry with name "
                        "[%s]; rc = [%d]\n", __func__,
                        ecryptfs_dentry->d_name.name, rc);
                goto out_free;
@@ -202,9 +202,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
        if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_ACCMODE)
            == O_RDONLY && (file->f_flags & O_ACCMODE) != O_RDONLY) {
                rc = -EPERM;
-               printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
+               printk(KERN_WARNING "%s: Lower file is RO; eCryptfs "
                       "file must hence be opened RO\n", __func__);
-               goto out_free;
+               goto out_put;
        }
        ecryptfs_set_file_lower(
                file, ecryptfs_inode_to_private(inode)->lower_file);
@@ -232,10 +232,11 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
                                       "Plaintext passthrough mode is not "
                                       "enabled; returning -EIO\n");
                                mutex_unlock(&crypt_stat->cs_mutex);
-                               goto out_free;
+                               goto out_put;
                        }
                        rc = 0;
-                       crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
+                       crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
+                                              | ECRYPTFS_ENCRYPTED);
                        mutex_unlock(&crypt_stat->cs_mutex);
                        goto out;
                }
@@ -245,6 +246,8 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
                        "[0x%.16lx] size: [0x%.16llx]\n", inode, inode->i_ino,
                        (unsigned long long)i_size_read(inode));
        goto out;
+out_put:
+       ecryptfs_put_lower_file(inode);
 out_free:
        kmem_cache_free(ecryptfs_file_info_cache,
                        ecryptfs_file_to_private(file));
@@ -254,17 +257,13 @@ out:
 
 static int ecryptfs_flush(struct file *file, fl_owner_t td)
 {
-       int rc = 0;
-       struct file *lower_file = NULL;
-
-       lower_file = ecryptfs_file_to_lower(file);
-       if (lower_file->f_op && lower_file->f_op->flush)
-               rc = lower_file->f_op->flush(lower_file, td);
-       return rc;
+       return file->f_mode & FMODE_WRITE
+              ? filemap_write_and_wait(file->f_mapping) : 0;
 }
 
 static int ecryptfs_release(struct inode *inode, struct file *file)
 {
+       ecryptfs_put_lower_file(inode);
        kmem_cache_free(ecryptfs_file_info_cache,
                        ecryptfs_file_to_private(file));
        return 0;
index f99051b..4d4cc6a 100644 (file)
@@ -168,19 +168,18 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
                                "context; rc = [%d]\n", rc);
                goto out;
        }
-       rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
+       rc = ecryptfs_get_lower_file(ecryptfs_dentry);
        if (rc) {
                printk(KERN_ERR "%s: Error attempting to initialize "
-                       "the persistent file for the dentry with name "
+                       "the lower file for the dentry with name "
                        "[%s]; rc = [%d]\n", __func__,
                        ecryptfs_dentry->d_name.name, rc);
                goto out;
        }
        rc = ecryptfs_write_metadata(ecryptfs_dentry);
-       if (rc) {
+       if (rc)
                printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc);
-               goto out;
-       }
+       ecryptfs_put_lower_file(ecryptfs_dentry->d_inode);
 out:
        return rc;
 }
@@ -226,11 +225,9 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
        struct dentry *lower_dir_dentry;
        struct vfsmount *lower_mnt;
        struct inode *lower_inode;
-       struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
        struct ecryptfs_crypt_stat *crypt_stat;
        char *page_virt = NULL;
-       u64 file_size;
-       int rc = 0;
+       int put_lower = 0, rc = 0;
 
        lower_dir_dentry = lower_dentry->d_parent;
        lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(
@@ -277,14 +274,15 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
                rc = -ENOMEM;
                goto out;
        }
-       rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
+       rc = ecryptfs_get_lower_file(ecryptfs_dentry);
        if (rc) {
                printk(KERN_ERR "%s: Error attempting to initialize "
-                       "the persistent file for the dentry with name "
+                       "the lower file for the dentry with name "
                        "[%s]; rc = [%d]\n", __func__,
                        ecryptfs_dentry->d_name.name, rc);
                goto out_free_kmem;
        }
+       put_lower = 1;
        crypt_stat = &ecryptfs_inode_to_private(
                                        ecryptfs_dentry->d_inode)->crypt_stat;
        /* TODO: lock for crypt_stat comparison */
@@ -302,18 +300,7 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
                }
                crypt_stat->flags |= ECRYPTFS_METADATA_IN_XATTR;
        }
-       mount_crypt_stat = &ecryptfs_superblock_to_private(
-               ecryptfs_dentry->d_sb)->mount_crypt_stat;
-       if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) {
-               if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
-                       file_size = (crypt_stat->metadata_size
-                                    + i_size_read(lower_dentry->d_inode));
-               else
-                       file_size = i_size_read(lower_dentry->d_inode);
-       } else {
-               file_size = get_unaligned_be64(page_virt);
-       }
-       i_size_write(ecryptfs_dentry->d_inode, (loff_t)file_size);
+       ecryptfs_i_size_init(page_virt, ecryptfs_dentry->d_inode);
 out_free_kmem:
        kmem_cache_free(ecryptfs_header_cache_2, page_virt);
        goto out;
@@ -322,6 +309,8 @@ out_put:
        mntput(lower_mnt);
        d_drop(ecryptfs_dentry);
 out:
+       if (put_lower)
+               ecryptfs_put_lower_file(ecryptfs_dentry->d_inode);
        return rc;
 }
 
@@ -538,8 +527,6 @@ static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry)
        dget(lower_dentry);
        rc = vfs_rmdir(lower_dir_dentry->d_inode, lower_dentry);
        dput(lower_dentry);
-       if (!rc)
-               d_delete(lower_dentry);
        fsstack_copy_attr_times(dir, lower_dir_dentry->d_inode);
        dir->i_nlink = lower_dir_dentry->d_inode->i_nlink;
        unlock_dir(lower_dir_dentry);
@@ -610,8 +597,8 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
                fsstack_copy_attr_all(old_dir, lower_old_dir_dentry->d_inode);
 out_lock:
        unlock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
-       dput(lower_new_dentry->d_parent);
-       dput(lower_old_dentry->d_parent);
+       dput(lower_new_dir_dentry);
+       dput(lower_old_dir_dentry);
        dput(lower_new_dentry);
        dput(lower_old_dentry);
        return rc;
@@ -759,8 +746,11 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 
        if (unlikely((ia->ia_size == i_size))) {
                lower_ia->ia_valid &= ~ATTR_SIZE;
-               goto out;
+               return 0;
        }
+       rc = ecryptfs_get_lower_file(dentry);
+       if (rc)
+               return rc;
        crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
        /* Switch on growing or shrinking file */
        if (ia->ia_size > i_size) {
@@ -838,6 +828,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
                        lower_ia->ia_valid &= ~ATTR_SIZE;
        }
 out:
+       ecryptfs_put_lower_file(inode);
        return rc;
 }
 
@@ -913,7 +904,13 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
 
                mount_crypt_stat = &ecryptfs_superblock_to_private(
                        dentry->d_sb)->mount_crypt_stat;
+               rc = ecryptfs_get_lower_file(dentry);
+               if (rc) {
+                       mutex_unlock(&crypt_stat->cs_mutex);
+                       goto out;
+               }
                rc = ecryptfs_read_metadata(dentry);
+               ecryptfs_put_lower_file(inode);
                if (rc) {
                        if (!(mount_crypt_stat->flags
                              & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) {
@@ -927,10 +924,17 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
                                goto out;
                        }
                        rc = 0;
-                       crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
+                       crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
+                                              | ECRYPTFS_ENCRYPTED);
                }
        }
        mutex_unlock(&crypt_stat->cs_mutex);
+       if (S_ISREG(inode->i_mode)) {
+               rc = filemap_write_and_wait(inode->i_mapping);
+               if (rc)
+                       goto out;
+               fsstack_copy_attr_all(inode, lower_inode);
+       }
        memcpy(&lower_ia, ia, sizeof(lower_ia));
        if (ia->ia_valid & ATTR_FILE)
                lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file);
index 0851ab6..69f994a 100644 (file)
@@ -44,7 +44,7 @@ static struct task_struct *ecryptfs_kthread;
  * @ignored: ignored
  *
  * The eCryptfs kernel thread that has the responsibility of getting
- * the lower persistent file with RW permissions.
+ * the lower file with RW permissions.
  *
  * Returns zero on success; non-zero otherwise
  */
@@ -141,8 +141,8 @@ int ecryptfs_privileged_open(struct file **lower_file,
        int rc = 0;
 
        /* Corresponding dput() and mntput() are done when the
-        * persistent file is fput() when the eCryptfs inode is
-        * destroyed. */
+        * lower file is fput() when all eCryptfs files for the inode are
+        * released. */
        dget(lower_dentry);
        mntget(lower_mnt);
        flags |= IS_RDONLY(lower_dentry->d_inode) ? O_RDONLY : O_RDWR;
index fdb2eb0..89b9338 100644 (file)
@@ -96,7 +96,7 @@ void __ecryptfs_printk(const char *fmt, ...)
 }
 
 /**
- * ecryptfs_init_persistent_file
+ * ecryptfs_init_lower_file
  * @ecryptfs_dentry: Fully initialized eCryptfs dentry object, with
  *                   the lower dentry and the lower mount set
  *
@@ -104,42 +104,70 @@ void __ecryptfs_printk(const char *fmt, ...)
  * inode. All I/O operations to the lower inode occur through that
  * file. When the first eCryptfs dentry that interposes with the first
  * lower dentry for that inode is created, this function creates the
- * persistent file struct and associates it with the eCryptfs
- * inode. When the eCryptfs inode is destroyed, the file is closed.
+ * lower file struct and associates it with the eCryptfs
+ * inode. When all eCryptfs files associated with the inode are released, the
+ * file is closed.
  *
- * The persistent file will be opened with read/write permissions, if
+ * The lower file will be opened with read/write permissions, if
  * possible. Otherwise, it is opened read-only.
  *
- * This function does nothing if a lower persistent file is already
+ * This function does nothing if a lower file is already
  * associated with the eCryptfs inode.
  *
  * Returns zero on success; non-zero otherwise
  */
-int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
+static int ecryptfs_init_lower_file(struct dentry *dentry,
+                                   struct file **lower_file)
 {
        const struct cred *cred = current_cred();
-       struct ecryptfs_inode_info *inode_info =
-               ecryptfs_inode_to_private(ecryptfs_dentry->d_inode);
-       int rc = 0;
+       struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+       struct vfsmount *lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
+       int rc;
 
-       if (!inode_info->lower_file) {
-               struct dentry *lower_dentry;
-               struct vfsmount *lower_mnt =
-                       ecryptfs_dentry_to_lower_mnt(ecryptfs_dentry);
+       rc = ecryptfs_privileged_open(lower_file, lower_dentry, lower_mnt,
+                                     cred);
+       if (rc) {
+               printk(KERN_ERR "Error opening lower file "
+                      "for lower_dentry [0x%p] and lower_mnt [0x%p]; "
+                      "rc = [%d]\n", lower_dentry, lower_mnt, rc);
+               (*lower_file) = NULL;
+       }
+       return rc;
+}
 
-               lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
-               rc = ecryptfs_privileged_open(&inode_info->lower_file,
-                                             lower_dentry, lower_mnt, cred);
-               if (rc) {
-                       printk(KERN_ERR "Error opening lower persistent file "
-                              "for lower_dentry [0x%p] and lower_mnt [0x%p]; "
-                              "rc = [%d]\n", lower_dentry, lower_mnt, rc);
-                       inode_info->lower_file = NULL;
-               }
+int ecryptfs_get_lower_file(struct dentry *dentry)
+{
+       struct ecryptfs_inode_info *inode_info =
+               ecryptfs_inode_to_private(dentry->d_inode);
+       int count, rc = 0;
+
+       mutex_lock(&inode_info->lower_file_mutex);
+       count = atomic_inc_return(&inode_info->lower_file_count);
+       if (WARN_ON_ONCE(count < 1))
+               rc = -EINVAL;
+       else if (count == 1) {
+               rc = ecryptfs_init_lower_file(dentry,
+                                             &inode_info->lower_file);
+               if (rc)
+                       atomic_set(&inode_info->lower_file_count, 0);
        }
+       mutex_unlock(&inode_info->lower_file_mutex);
        return rc;
 }
 
+void ecryptfs_put_lower_file(struct inode *inode)
+{
+       struct ecryptfs_inode_info *inode_info;
+
+       inode_info = ecryptfs_inode_to_private(inode);
+       if (atomic_dec_and_mutex_lock(&inode_info->lower_file_count,
+                                     &inode_info->lower_file_mutex)) {
+               fput(inode_info->lower_file);
+               inode_info->lower_file = NULL;
+               mutex_unlock(&inode_info->lower_file_mutex);
+       }
+}
+
 static struct inode *ecryptfs_get_inode(struct inode *lower_inode,
                       struct super_block *sb)
 {
index bacc882..245b517 100644 (file)
@@ -55,6 +55,8 @@ static struct inode *ecryptfs_alloc_inode(struct super_block *sb)
        if (unlikely(!inode_info))
                goto out;
        ecryptfs_init_crypt_stat(&inode_info->crypt_stat);
+       mutex_init(&inode_info->lower_file_mutex);
+       atomic_set(&inode_info->lower_file_count, 0);
        inode_info->lower_file = NULL;
        inode = &inode_info->vfs_inode;
 out:
@@ -77,8 +79,7 @@ static void ecryptfs_i_callback(struct rcu_head *head)
  *
  * This is used during the final destruction of the inode.  All
  * allocation of memory related to the inode, including allocated
- * memory in the crypt_stat struct, will be released here. This
- * function also fput()'s the persistent file for the lower inode.
+ * memory in the crypt_stat struct, will be released here.
  * There should be no chance that this deallocation will be missed.
  */
 static void ecryptfs_destroy_inode(struct inode *inode)
@@ -86,16 +87,7 @@ static void ecryptfs_destroy_inode(struct inode *inode)
        struct ecryptfs_inode_info *inode_info;
 
        inode_info = ecryptfs_inode_to_private(inode);
-       if (inode_info->lower_file) {
-               struct dentry *lower_dentry =
-                       inode_info->lower_file->f_dentry;
-
-               BUG_ON(!lower_dentry);
-               if (lower_dentry->d_inode) {
-                       fput(inode_info->lower_file);
-                       inode_info->lower_file = NULL;
-               }
-       }
+       BUG_ON(inode_info->lower_file);
        ecryptfs_destroy_crypt_stat(&inode_info->crypt_stat);
        call_rcu(&inode->i_rcu, ecryptfs_i_callback);
 }
index f07643e..7a4fb63 100644 (file)
@@ -93,14 +93,12 @@ static unsigned int gl_hash(const struct gfs2_sbd *sdp,
 
 static inline void spin_lock_bucket(unsigned int hash)
 {
-       struct hlist_bl_head *bl = &gl_hash_table[hash];
-       bit_spin_lock(0, (unsigned long *)bl);
+       hlist_bl_lock(&gl_hash_table[hash]);
 }
 
 static inline void spin_unlock_bucket(unsigned int hash)
 {
-       struct hlist_bl_head *bl = &gl_hash_table[hash];
-       __bit_spin_unlock(0, (unsigned long *)bl);
+       hlist_bl_unlock(&gl_hash_table[hash]);
 }
 
 static void gfs2_glock_dealloc(struct rcu_head *rcu)
index 936f2cb..3dbad6f 100644 (file)
@@ -317,6 +317,32 @@ int ubifs_recover_master_node(struct ubifs_info *c)
                        goto out_free;
                }
                memcpy(c->rcvrd_mst_node, c->mst_node, UBIFS_MST_NODE_SZ);
+
+               /*
+                * We had to recover the master node, which means there was an
+                * unclean reboot. However, it is possible that the master node
+                * is clean at this point, i.e., %UBIFS_MST_DIRTY is not set.
+                * E.g., consider the following chain of events:
+                *
+                * 1. UBIFS was cleanly unmounted, so the master node is clean
+                * 2. UBIFS is being mounted R/W and starts changing the master
+                *    node in the first (%UBIFS_MST_LNUM). A power cut happens,
+                *    so this LEB ends up with some amount of garbage at the
+                *    end.
+                * 3. UBIFS is being mounted R/O. We reach this place and
+                *    recover the master node from the second LEB
+                *    (%UBIFS_MST_LNUM + 1). But we cannot update the media
+                *    because we are being mounted R/O. We have to defer the
+                *    operation.
+                * 4. However, this master node (@c->mst_node) is marked as
+                *    clean (since the step 1). And if we just return, the
+                *    mount code will be confused and won't recover the master
+                *    node when it is re-mounter R/W later.
+                *
+                *    Thus, to force the recovery by marking the master node as
+                *    dirty.
+                */
+               c->mst_node->flags |= cpu_to_le32(UBIFS_MST_DIRTY);
        } else {
                /* Write the recovered master node */
                c->max_sqnum = le64_to_cpu(mst->ch.sqnum) - 1;
index c75f613..be6c7b0 100644 (file)
@@ -1671,14 +1671,25 @@ static int ubifs_remount_rw(struct ubifs_info *c)
        if (err)
                goto out;
 
+       dbg_gen("re-mounted read-write");
+       c->remounting_rw = 0;
+
        if (c->need_recovery) {
                c->need_recovery = 0;
                ubifs_msg("deferred recovery completed");
+       } else {
+               /*
+                * Do not run the debugging space check if the were doing
+                * recovery, because when we saved the information we had the
+                * file-system in a state where the TNC and lprops has been
+                * modified in memory, but all the I/O operations (including a
+                * commit) were deferred. So the file-system was in
+                * "non-committed" state. Now the file-system is in committed
+                * state, and of course the amount of free space will change
+                * because, for example, the old index size was imprecise.
+                */
+               err = dbg_check_space_info(c);
        }
-
-       dbg_gen("re-mounted read-write");
-       c->remounting_rw = 0;
-       err = dbg_check_space_info(c);
        mutex_unlock(&c->umount_mutex);
        return err;
 
@@ -1761,10 +1772,12 @@ static void ubifs_put_super(struct super_block *sb)
         * of the media. For example, there will be dirty inodes if we failed
         * to write them back because of I/O errors.
         */
-       ubifs_assert(atomic_long_read(&c->dirty_pg_cnt) == 0);
-       ubifs_assert(c->budg_idx_growth == 0);
-       ubifs_assert(c->budg_dd_growth == 0);
-       ubifs_assert(c->budg_data_growth == 0);
+       if (!c->ro_error) {
+               ubifs_assert(atomic_long_read(&c->dirty_pg_cnt) == 0);
+               ubifs_assert(c->budg_idx_growth == 0);
+               ubifs_assert(c->budg_dd_growth == 0);
+               ubifs_assert(c->budg_data_growth == 0);
+       }
 
        /*
         * The 'c->umount_lock' prevents races between UBIFS memory shrinker
index e612575..b4326bf 100644 (file)
@@ -23,11 +23,11 @@ static inline void bit_spin_lock(int bitnum, unsigned long *addr)
        preempt_disable();
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
        while (unlikely(test_and_set_bit_lock(bitnum, addr))) {
-               while (test_bit(bitnum, addr)) {
-                       preempt_enable();
+               preempt_enable();
+               do {
                        cpu_relax();
-                       preempt_disable();
-               }
+               } while (test_bit(bitnum, addr));
+               preempt_disable();
        }
 #endif
        __acquire(bitlock);
index f2afed4..19d90a5 100644 (file)
@@ -197,7 +197,7 @@ struct dentry_operations {
       * typically using d_splice_alias. */
 
 #define DCACHE_REFERENCED      0x0008  /* Recently used, don't discard. */
-#define DCACHE_UNHASHED                0x0010  
+#define DCACHE_RCUACCESS       0x0010  /* Entry has ever been RCU-visible */
 #define DCACHE_INOTIFY_PARENT_WATCHED 0x0020
      /* Parent inode is watched by inotify */
 
@@ -384,7 +384,7 @@ extern struct dentry *dget_parent(struct dentry *dentry);
  
 static inline int d_unhashed(struct dentry *dentry)
 {
-       return (dentry->d_flags & DCACHE_UNHASHED);
+       return hlist_bl_unhashed(&dentry->d_hash);
 }
 
 static inline int d_unlinked(struct dentry *dentry)
index 7f675aa..04f32a3 100644 (file)
@@ -137,8 +137,6 @@ enum {
        ATA_DFLAG_ACPI_PENDING  = (1 << 5), /* ACPI resume action pending */
        ATA_DFLAG_ACPI_FAILED   = (1 << 6), /* ACPI on devcfg has failed */
        ATA_DFLAG_AN            = (1 << 7), /* AN configured */
-       ATA_DFLAG_HIPM          = (1 << 8), /* device supports HIPM */
-       ATA_DFLAG_DIPM          = (1 << 9), /* device supports DIPM */
        ATA_DFLAG_DMADIR        = (1 << 10), /* device requires DMADIR */
        ATA_DFLAG_CFG_MASK      = (1 << 12) - 1,
 
@@ -198,6 +196,7 @@ enum {
                                              * management */
        ATA_FLAG_SW_ACTIVITY    = (1 << 22), /* driver supports sw activity
                                              * led */
+       ATA_FLAG_NO_DIPM        = (1 << 23), /* host not happy with DIPM */
 
        /* bits 24:31 of ap->flags are reserved for LLD specific flags */
 
index 5bad17d..31f9d75 100644 (file)
@@ -2,6 +2,7 @@
 #define _LINUX_LIST_BL_H
 
 #include <linux/list.h>
+#include <linux/bit_spinlock.h>
 
 /*
  * Special version of lists, where head of the list has a lock in the lowest
@@ -114,6 +115,16 @@ static inline void hlist_bl_del_init(struct hlist_bl_node *n)
        }
 }
 
+static inline void hlist_bl_lock(struct hlist_bl_head *b)
+{
+       bit_spin_lock(0, (unsigned long *)b);
+}
+
+static inline void hlist_bl_unlock(struct hlist_bl_head *b)
+{
+       __bit_spin_unlock(0, (unsigned long *)b);
+}
+
 /**
  * hlist_bl_for_each_entry     - iterate over list of given type
  * @tpos:      the type * to use as a loop cursor.
index ca02f17..8ce59ef 100644 (file)
@@ -1456,7 +1456,7 @@ struct security_operations {
                             struct inode *new_dir, struct dentry *new_dentry);
        int (*inode_readlink) (struct dentry *dentry);
        int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd);
-       int (*inode_permission) (struct inode *inode, int mask);
+       int (*inode_permission) (struct inode *inode, int mask, unsigned flags);
        int (*inode_setattr)    (struct dentry *dentry, struct iattr *attr);
        int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
        int (*inode_setxattr) (struct dentry *dentry, const char *name,
index 55936f9..87b77de 100644 (file)
@@ -33,6 +33,7 @@
 #include <linux/vmalloc.h>
 #include <linux/swap.h>
 #include <linux/kmsg_dump.h>
+#include <linux/syscore_ops.h>
 
 #include <asm/page.h>
 #include <asm/uaccess.h>
@@ -1532,6 +1533,11 @@ int kernel_kexec(void)
                local_irq_disable();
                /* Suspend system devices */
                error = sysdev_suspend(PMSG_FREEZE);
+               if (!error) {
+                       error = syscore_suspend();
+                       if (error)
+                               sysdev_resume();
+               }
                if (error)
                        goto Enable_irqs;
        } else
@@ -1546,6 +1552,7 @@ int kernel_kexec(void)
 
 #ifdef CONFIG_KEXEC_JUMP
        if (kexec_image->preserve_context) {
+               syscore_resume();
                sysdev_resume();
  Enable_irqs:
                local_irq_enable();
index aeabd26..50aae66 100644 (file)
@@ -273,8 +273,11 @@ static int create_image(int platform_mode)
        local_irq_disable();
 
        error = sysdev_suspend(PMSG_FREEZE);
-       if (!error)
+       if (!error) {
                error = syscore_suspend();
+               if (error)
+                       sysdev_resume();
+       }
        if (error) {
                printk(KERN_ERR "PM: Some system devices failed to power down, "
                        "aborting hibernation\n");
@@ -407,8 +410,11 @@ static int resume_target_kernel(bool platform_mode)
        local_irq_disable();
 
        error = sysdev_suspend(PMSG_QUIESCE);
-       if (!error)
+       if (!error) {
                error = syscore_suspend();
+               if (error)
+                       sysdev_resume();
+       }
        if (error)
                goto Enable_irqs;
 
index 2814c32..8935369 100644 (file)
@@ -164,8 +164,11 @@ static int suspend_enter(suspend_state_t state)
        BUG_ON(!irqs_disabled());
 
        error = sysdev_suspend(PMSG_SUSPEND);
-       if (!error)
+       if (!error) {
                error = syscore_suspend();
+               if (error)
+                       sysdev_resume();
+       }
        if (!error) {
                if (!(suspend_test(TEST_CORE) || pm_wakeup_pending())) {
                        error = suspend_ops->enter(state);
index 659326c..006ad81 100644 (file)
@@ -332,7 +332,7 @@ static int conf_choice(struct menu *menu)
                }
                if (!child)
                        continue;
-               if (line[strlen(line) - 1] == '?') {
+               if (line[0] && line[strlen(line) - 1] == '?') {
                        print_help(child);
                        continue;
                }
index 2984ea4..bbb5115 100644 (file)
@@ -181,7 +181,7 @@ static int cap_inode_follow_link(struct dentry *dentry,
        return 0;
 }
 
-static int cap_inode_permission(struct inode *inode, int mask)
+static int cap_inode_permission(struct inode *inode, int mask, unsigned flags)
 {
        return 0;
 }
index 1011423..4ba6d4c 100644 (file)
@@ -518,16 +518,14 @@ int security_inode_permission(struct inode *inode, int mask)
 {
        if (unlikely(IS_PRIVATE(inode)))
                return 0;
-       return security_ops->inode_permission(inode, mask);
+       return security_ops->inode_permission(inode, mask, 0);
 }
 
 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
 {
        if (unlikely(IS_PRIVATE(inode)))
                return 0;
-       if (flags)
-               return -ECHILD;
-       return security_ops->inode_permission(inode, MAY_EXEC);
+       return security_ops->inode_permission(inode, MAY_EXEC, flags);
 }
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
index 9da6420..1d027e2 100644 (file)
@@ -471,6 +471,7 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
  * @avd: access vector decisions
  * @result: result from avc_has_perm_noaudit
  * @a:  auxiliary audit data
+ * @flags: VFS walk flags
  *
  * Audit the granting or denial of permissions in accordance
  * with the policy.  This function is typically called by
@@ -481,9 +482,10 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
  * be performed under a lock, to allow the lock to be released
  * before calling the auditing code.
  */
-void avc_audit(u32 ssid, u32 tsid,
+int avc_audit(u32 ssid, u32 tsid,
               u16 tclass, u32 requested,
-              struct av_decision *avd, int result, struct common_audit_data *a)
+              struct av_decision *avd, int result, struct common_audit_data *a,
+              unsigned flags)
 {
        struct common_audit_data stack_data;
        u32 denied, audited;
@@ -515,11 +517,24 @@ void avc_audit(u32 ssid, u32 tsid,
        else
                audited = requested & avd->auditallow;
        if (!audited)
-               return;
+               return 0;
+
        if (!a) {
                a = &stack_data;
                COMMON_AUDIT_DATA_INIT(a, NONE);
        }
+
+       /*
+        * When in a RCU walk do the audit on the RCU retry.  This is because
+        * the collection of the dname in an inode audit message is not RCU
+        * safe.  Note this may drop some audits when the situation changes
+        * during retry. However this is logically just as if the operation
+        * happened a little later.
+        */
+       if ((a->type == LSM_AUDIT_DATA_FS) &&
+           (flags & IPERM_FLAG_RCU))
+               return -ECHILD;
+
        a->selinux_audit_data.tclass = tclass;
        a->selinux_audit_data.requested = requested;
        a->selinux_audit_data.ssid = ssid;
@@ -529,6 +544,7 @@ void avc_audit(u32 ssid, u32 tsid,
        a->lsm_pre_audit = avc_audit_pre_callback;
        a->lsm_post_audit = avc_audit_post_callback;
        common_lsm_audit(a);
+       return 0;
 }
 
 /**
@@ -793,6 +809,7 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
  * @tclass: target security class
  * @requested: requested permissions, interpreted based on @tclass
  * @auditdata: auxiliary audit data
+ * @flags: VFS walk flags
  *
  * Check the AVC to determine whether the @requested permissions are granted
  * for the SID pair (@ssid, @tsid), interpreting the permissions
@@ -802,14 +819,19 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
  * permissions are granted, -%EACCES if any permissions are denied, or
  * another -errno upon other errors.
  */
-int avc_has_perm(u32 ssid, u32 tsid, u16 tclass,
-                u32 requested, struct common_audit_data *auditdata)
+int avc_has_perm_flags(u32 ssid, u32 tsid, u16 tclass,
+                      u32 requested, struct common_audit_data *auditdata,
+                      unsigned flags)
 {
        struct av_decision avd;
-       int rc;
+       int rc, rc2;
 
        rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd);
-       avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata);
+
+       rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata,
+                       flags);
+       if (rc2)
+               return rc2;
        return rc;
 }
 
index f9c3764..f7cf0ea 100644 (file)
@@ -1446,8 +1446,11 @@ static int task_has_capability(struct task_struct *tsk,
        }
 
        rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd);
-       if (audit == SECURITY_CAP_AUDIT)
-               avc_audit(sid, sid, sclass, av, &avd, rc, &ad);
+       if (audit == SECURITY_CAP_AUDIT) {
+               int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad, 0);
+               if (rc2)
+                       return rc2;
+       }
        return rc;
 }
 
@@ -1467,7 +1470,8 @@ static int task_has_system(struct task_struct *tsk,
 static int inode_has_perm(const struct cred *cred,
                          struct inode *inode,
                          u32 perms,
-                         struct common_audit_data *adp)
+                         struct common_audit_data *adp,
+                         unsigned flags)
 {
        struct inode_security_struct *isec;
        struct common_audit_data ad;
@@ -1487,7 +1491,7 @@ static int inode_has_perm(const struct cred *cred,
                ad.u.fs.inode = inode;
        }
 
-       return avc_has_perm(sid, isec->sid, isec->sclass, perms, adp);
+       return avc_has_perm_flags(sid, isec->sid, isec->sclass, perms, adp, flags);
 }
 
 /* Same as inode_has_perm, but pass explicit audit data containing
@@ -1504,7 +1508,7 @@ static inline int dentry_has_perm(const struct cred *cred,
        COMMON_AUDIT_DATA_INIT(&ad, FS);
        ad.u.fs.path.mnt = mnt;
        ad.u.fs.path.dentry = dentry;
-       return inode_has_perm(cred, inode, av, &ad);
+       return inode_has_perm(cred, inode, av, &ad, 0);
 }
 
 /* Check whether a task can use an open file descriptor to
@@ -1540,7 +1544,7 @@ static int file_has_perm(const struct cred *cred,
        /* av is zero if only checking access to the descriptor. */
        rc = 0;
        if (av)
-               rc = inode_has_perm(cred, inode, av, &ad);
+               rc = inode_has_perm(cred, inode, av, &ad, 0);
 
 out:
        return rc;
@@ -2103,7 +2107,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
                        file = file_priv->file;
                        inode = file->f_path.dentry->d_inode;
                        if (inode_has_perm(cred, inode,
-                                          FILE__READ | FILE__WRITE, NULL)) {
+                                          FILE__READ | FILE__WRITE, NULL, 0)) {
                                drop_tty = 1;
                        }
                }
@@ -2635,7 +2639,7 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na
        return dentry_has_perm(cred, NULL, dentry, FILE__READ);
 }
 
-static int selinux_inode_permission(struct inode *inode, int mask)
+static int selinux_inode_permission(struct inode *inode, int mask, unsigned flags)
 {
        const struct cred *cred = current_cred();
        struct common_audit_data ad;
@@ -2657,7 +2661,7 @@ static int selinux_inode_permission(struct inode *inode, int mask)
 
        perms = file_mask_to_av(inode->i_mode, mask);
 
-       return inode_has_perm(cred, inode, perms, &ad);
+       return inode_has_perm(cred, inode, perms, &ad, flags);
 }
 
 static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr)
@@ -3205,7 +3209,7 @@ static int selinux_dentry_open(struct file *file, const struct cred *cred)
         * new inode label or new policy.
         * This check is not redundant - do not remove.
         */
-       return inode_has_perm(cred, inode, open_file_to_av(file), NULL);
+       return inode_has_perm(cred, inode, open_file_to_av(file), NULL, 0);
 }
 
 /* task security operations */
index 5615081..e77b2ac 100644 (file)
@@ -54,11 +54,11 @@ struct avc_cache_stats {
 
 void __init avc_init(void);
 
-void avc_audit(u32 ssid, u32 tsid,
+int avc_audit(u32 ssid, u32 tsid,
               u16 tclass, u32 requested,
               struct av_decision *avd,
               int result,
-              struct common_audit_data *a);
+             struct common_audit_data *a, unsigned flags);
 
 #define AVC_STRICT 1 /* Ignore permissive mode. */
 int avc_has_perm_noaudit(u32 ssid, u32 tsid,
@@ -66,9 +66,17 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
                         unsigned flags,
                         struct av_decision *avd);
 
-int avc_has_perm(u32 ssid, u32 tsid,
-                u16 tclass, u32 requested,
-                struct common_audit_data *auditdata);
+int avc_has_perm_flags(u32 ssid, u32 tsid,
+                      u16 tclass, u32 requested,
+                      struct common_audit_data *auditdata,
+                      unsigned);
+
+static inline int avc_has_perm(u32 ssid, u32 tsid,
+                              u16 tclass, u32 requested,
+                              struct common_audit_data *auditdata)
+{
+       return avc_has_perm_flags(ssid, tsid, tclass, requested, auditdata, 0);
+}
 
 u32 avc_policy_seqno(void);
 
index c6f8fca..400a5d5 100644 (file)
@@ -686,7 +686,7 @@ static int smack_inode_rename(struct inode *old_inode,
  *
  * Returns 0 if access is permitted, -EACCES otherwise
  */
-static int smack_inode_permission(struct inode *inode, int mask)
+static int smack_inode_permission(struct inode *inode, int mask, unsigned flags)
 {
        struct smk_audit_info ad;
 
@@ -696,6 +696,10 @@ static int smack_inode_permission(struct inode *inode, int mask)
         */
        if (mask == 0)
                return 0;
+
+       /* May be droppable after audit */
+       if (flags & IPERM_FLAG_RCU)
+               return -ECHILD;
        smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
        smk_ad_setfield_u_fs_inode(&ad, inode);
        return smk_curacc(smk_of_inode(inode), mask, &ad);
index 430f41d..759ade1 100644 (file)
@@ -937,6 +937,7 @@ void snd_hda_shutup_pins(struct hda_codec *codec)
 }
 EXPORT_SYMBOL_HDA(snd_hda_shutup_pins);
 
+#ifdef SND_HDA_NEEDS_RESUME
 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
 static void restore_shutup_pins(struct hda_codec *codec)
 {
@@ -953,6 +954,7 @@ static void restore_shutup_pins(struct hda_codec *codec)
        }
        codec->pins_shutup = 0;
 }
+#endif
 
 static void init_hda_cache(struct hda_cache_rec *cache,
                           unsigned int record_size);
@@ -1329,6 +1331,7 @@ static void purify_inactive_streams(struct hda_codec *codec)
        }
 }
 
+#ifdef SND_HDA_NEEDS_RESUME
 /* clean up all streams; called from suspend */
 static void hda_cleanup_all_streams(struct hda_codec *codec)
 {
@@ -1340,6 +1343,7 @@ static void hda_cleanup_all_streams(struct hda_codec *codec)
                        really_cleanup_stream(codec, p);
        }
 }
+#endif
 
 /*
  * amp access functions
index 52928d9..d3bd2c1 100644 (file)
@@ -14868,6 +14868,23 @@ static void alc269_fixup_hweq(struct hda_codec *codec,
        alc_write_coef_idx(codec, 0x1e, coef | 0x80);
 }
 
+static void alc271_fixup_dmic(struct hda_codec *codec,
+                             const struct alc_fixup *fix, int action)
+{
+       static struct hda_verb verbs[] = {
+               {0x20, AC_VERB_SET_COEF_INDEX, 0x0d},
+               {0x20, AC_VERB_SET_PROC_COEF, 0x4000},
+               {}
+       };
+       unsigned int cfg;
+
+       if (strcmp(codec->chip_name, "ALC271X"))
+               return;
+       cfg = snd_hda_codec_get_pincfg(codec, 0x12);
+       if (get_defcfg_connect(cfg) == AC_JACK_PORT_FIXED)
+               snd_hda_sequence_write(codec, verbs);
+}
+
 enum {
        ALC269_FIXUP_SONY_VAIO,
        ALC275_FIXUP_SONY_VAIO_GPIO2,
@@ -14876,6 +14893,7 @@ enum {
        ALC269_FIXUP_ASUS_G73JW,
        ALC269_FIXUP_LENOVO_EAPD,
        ALC275_FIXUP_SONY_HWEQ,
+       ALC271_FIXUP_DMIC,
 };
 
 static const struct alc_fixup alc269_fixups[] = {
@@ -14929,7 +14947,11 @@ static const struct alc_fixup alc269_fixups[] = {
                .v.func = alc269_fixup_hweq,
                .chained = true,
                .chain_id = ALC275_FIXUP_SONY_VAIO_GPIO2
-       }
+       },
+       [ALC271_FIXUP_DMIC] = {
+               .type = ALC_FIXUP_FUNC,
+               .v.func = alc271_fixup_dmic,
+       },
 };
 
 static struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -14938,6 +14960,7 @@ static struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
        SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
        SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
+       SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC),
        SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
        SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
        SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_SKU_IGNORE),
index f7cd346..f5ccdbf 100644 (file)
@@ -308,8 +308,6 @@ static int jz4740_codec_dev_probe(struct snd_soc_codec *codec)
        snd_soc_dapm_add_routes(dapm, jz4740_codec_dapm_routes,
                ARRAY_SIZE(jz4740_codec_dapm_routes));
 
-       snd_soc_dapm_new_widgets(codec);
-
        jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
        return 0;
index a54d2a5..4d9fb27 100644 (file)
@@ -927,7 +927,7 @@ static struct platform_driver sn95031_codec_driver = {
                .owner          = THIS_MODULE,
        },
        .probe          = sn95031_device_probe,
-       .remove         = sn95031_device_remove,
+       .remove         = __devexit_p(sn95031_device_remove),
 };
 
 static int __init sn95031_init(void)
index ae1cadf..f52b623 100644 (file)
@@ -247,8 +247,6 @@ static int wm8903_volatile_register(struct snd_soc_codec *codec, unsigned int re
        case WM8903_REVISION_NUMBER:
        case WM8903_INTERRUPT_STATUS_1:
        case WM8903_WRITE_SEQUENCER_4:
-       case WM8903_POWER_MANAGEMENT_3:
-       case WM8903_POWER_MANAGEMENT_2:
        case WM8903_DC_SERVO_READBACK_1:
        case WM8903_DC_SERVO_READBACK_2:
        case WM8903_DC_SERVO_READBACK_3:
@@ -875,34 +873,40 @@ SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
 SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
                   right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
 
-SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_ANALOGUE_HP_0,
-                  4, 0, NULL, 0),
-SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_ANALOGUE_HP_0,
+SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
+                  1, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
                   0, 0, NULL, 0),
 
-SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
+SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0,
                   NULL, 0),
-SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
+SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0,
                   NULL, 0),
 
 SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0),
-SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 1, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0),
-SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 1, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0),
 
 SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0,
                   NULL, 0),
 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0,
                   NULL, 0),
-SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 1, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
+SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
+                  NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
                   NULL, 0),
 SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0,
                   NULL, 0),
 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0,
                   NULL, 0),
-SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 1, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
+SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
+                  NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
                   NULL, 0),
 
 SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0),
@@ -1037,10 +1041,14 @@ static const struct snd_soc_dapm_route intercon[] = {
        { "Left Speaker PGA", NULL, "Left Speaker Mixer" },
        { "Right Speaker PGA", NULL, "Right Speaker Mixer" },
 
-       { "HPL_ENA_DLY", NULL, "Left Headphone Output PGA" },
-       { "HPR_ENA_DLY", NULL, "Right Headphone Output PGA" },
-       { "LINEOUTL_ENA_DLY", NULL, "Left Line Output PGA" },
-       { "LINEOUTR_ENA_DLY", NULL, "Right Line Output PGA" },
+       { "HPL_ENA", NULL, "Left Headphone Output PGA" },
+       { "HPR_ENA", NULL, "Right Headphone Output PGA" },
+       { "HPL_ENA_DLY", NULL, "HPL_ENA" },
+       { "HPR_ENA_DLY", NULL, "HPR_ENA" },
+       { "LINEOUTL_ENA", NULL, "Left Line Output PGA" },
+       { "LINEOUTR_ENA", NULL, "Right Line Output PGA" },
+       { "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" },
+       { "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" },
 
        { "HPL_DCS", NULL, "DCS Master" },
        { "HPR_DCS", NULL, "DCS Master" },
index 3290333..84e1bd1 100644 (file)
@@ -3261,20 +3261,36 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
        wm8994_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
        /* Latch volume updates (right only; we always do left then right). */
+       snd_soc_update_bits(codec, WM8994_AIF1_DAC1_LEFT_VOLUME,
+                           WM8994_AIF1DAC1_VU, WM8994_AIF1DAC1_VU);
        snd_soc_update_bits(codec, WM8994_AIF1_DAC1_RIGHT_VOLUME,
                            WM8994_AIF1DAC1_VU, WM8994_AIF1DAC1_VU);
+       snd_soc_update_bits(codec, WM8994_AIF1_DAC2_LEFT_VOLUME,
+                           WM8994_AIF1DAC2_VU, WM8994_AIF1DAC2_VU);
        snd_soc_update_bits(codec, WM8994_AIF1_DAC2_RIGHT_VOLUME,
                            WM8994_AIF1DAC2_VU, WM8994_AIF1DAC2_VU);
+       snd_soc_update_bits(codec, WM8994_AIF2_DAC_LEFT_VOLUME,
+                           WM8994_AIF2DAC_VU, WM8994_AIF2DAC_VU);
        snd_soc_update_bits(codec, WM8994_AIF2_DAC_RIGHT_VOLUME,
                            WM8994_AIF2DAC_VU, WM8994_AIF2DAC_VU);
+       snd_soc_update_bits(codec, WM8994_AIF1_ADC1_LEFT_VOLUME,
+                           WM8994_AIF1ADC1_VU, WM8994_AIF1ADC1_VU);
        snd_soc_update_bits(codec, WM8994_AIF1_ADC1_RIGHT_VOLUME,
                            WM8994_AIF1ADC1_VU, WM8994_AIF1ADC1_VU);
+       snd_soc_update_bits(codec, WM8994_AIF1_ADC2_LEFT_VOLUME,
+                           WM8994_AIF1ADC2_VU, WM8994_AIF1ADC2_VU);
        snd_soc_update_bits(codec, WM8994_AIF1_ADC2_RIGHT_VOLUME,
                            WM8994_AIF1ADC2_VU, WM8994_AIF1ADC2_VU);
+       snd_soc_update_bits(codec, WM8994_AIF2_ADC_LEFT_VOLUME,
+                           WM8994_AIF2ADC_VU, WM8994_AIF1ADC2_VU);
        snd_soc_update_bits(codec, WM8994_AIF2_ADC_RIGHT_VOLUME,
                            WM8994_AIF2ADC_VU, WM8994_AIF1ADC2_VU);
+       snd_soc_update_bits(codec, WM8994_DAC1_LEFT_VOLUME,
+                           WM8994_DAC1_VU, WM8994_DAC1_VU);
        snd_soc_update_bits(codec, WM8994_DAC1_RIGHT_VOLUME,
                            WM8994_DAC1_VU, WM8994_DAC1_VU);
+       snd_soc_update_bits(codec, WM8994_DAC2_LEFT_VOLUME,
+                           WM8994_DAC2_VU, WM8994_DAC2_VU);
        snd_soc_update_bits(codec, WM8994_DAC2_RIGHT_VOLUME,
                            WM8994_DAC2_VU, WM8994_DAC2_VU);
 
index 7b6b3c1..4005e9a 100644 (file)
@@ -740,12 +740,12 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
 
        { "SPKL", "Input Switch", "MIXINL" },
        { "SPKL", "IN1LP Switch", "IN1LP" },
-       { "SPKL", "Output Switch", "Left Output Mixer" },
+       { "SPKL", "Output Switch", "Left Output PGA" },
        { "SPKL", NULL, "TOCLK" },
 
        { "SPKR", "Input Switch", "MIXINR" },
        { "SPKR", "IN1RP Switch", "IN1RP" },
-       { "SPKR", "Output Switch", "Right Output Mixer" },
+       { "SPKR", "Output Switch", "Right Output PGA" },
        { "SPKR", NULL, "TOCLK" },
 
        { "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
@@ -767,8 +767,8 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
        { "SPKOUTRP", NULL, "SPKR Driver" },
        { "SPKOUTRN", NULL, "SPKR Driver" },
 
-       { "Left Headphone Mux", "Mixer", "Left Output Mixer" },
-       { "Right Headphone Mux", "Mixer", "Right Output Mixer" },
+       { "Left Headphone Mux", "Mixer", "Left Output PGA" },
+       { "Right Headphone Mux", "Mixer", "Right Output PGA" },
 
        { "Headphone PGA", NULL, "Left Headphone Mux" },
        { "Headphone PGA", NULL, "Right Headphone Mux" },
index b2e9198..d567c32 100644 (file)
@@ -116,18 +116,20 @@ struct snd_soc_dai_driver sst_platform_dai[] = {
 static inline void sst_set_stream_status(struct sst_runtime_stream *stream,
                                        int state)
 {
-       spin_lock(&stream->status_lock);
+       unsigned long flags;
+       spin_lock_irqsave(&stream->status_lock, flags);
        stream->stream_status = state;
-       spin_unlock(&stream->status_lock);
+       spin_unlock_irqrestore(&stream->status_lock, flags);
 }
 
 static inline int sst_get_stream_status(struct sst_runtime_stream *stream)
 {
        int state;
+       unsigned long flags;
 
-       spin_lock(&stream->status_lock);
+       spin_lock_irqsave(&stream->status_lock, flags);
        state = stream->stream_status;
-       spin_unlock(&stream->status_lock);
+       spin_unlock_irqrestore(&stream->status_lock, flags);
        return state;
 }
 
index 38aac7d..9c7e8b4 100644 (file)
@@ -350,8 +350,8 @@ static int s3c_pcm_set_fmt(struct snd_soc_dai *cpu_dai,
        ctl = readl(regs + S3C_PCM_CTL);
 
        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-       case SND_SOC_DAIFMT_NB_NF:
-               /* Nothing to do, NB_NF by default */
+       case SND_SOC_DAIFMT_IB_NF:
+               /* Nothing to do, IB_NF by default */
                break;
        default:
                dev_err(pcm->dev, "Unsupported clock inversion!\n");
index 0c9997e..23c0e83 100644 (file)
@@ -1200,10 +1200,11 @@ static int fsi_probe(struct platform_device *pdev)
        master->fsib.master     = master;
 
        pm_runtime_enable(&pdev->dev);
-       pm_runtime_resume(&pdev->dev);
        dev_set_drvdata(&pdev->dev, master);
 
+       pm_runtime_get_sync(&pdev->dev);
        fsi_soft_all_reset(master);
+       pm_runtime_put_sync(&pdev->dev);
 
        ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED,
                          id_entry->name, master);
@@ -1218,8 +1219,17 @@ static int fsi_probe(struct platform_device *pdev)
                goto exit_free_irq;
        }
 
-       return snd_soc_register_dais(&pdev->dev, fsi_soc_dai, ARRAY_SIZE(fsi_soc_dai));
+       ret = snd_soc_register_dais(&pdev->dev, fsi_soc_dai,
+                                   ARRAY_SIZE(fsi_soc_dai));
+       if (ret < 0) {
+               dev_err(&pdev->dev, "cannot snd dai register\n");
+               goto exit_snd_soc;
+       }
+
+       return ret;
 
+exit_snd_soc:
+       snd_soc_unregister_platform(&pdev->dev);
 exit_free_irq:
        free_irq(irq, master);
 exit_iounmap:
@@ -1238,12 +1248,11 @@ static int fsi_remove(struct platform_device *pdev)
 
        master = dev_get_drvdata(&pdev->dev);
 
-       snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai));
-       snd_soc_unregister_platform(&pdev->dev);
-
+       free_irq(master->irq, master);
        pm_runtime_disable(&pdev->dev);
 
-       free_irq(master->irq, master);
+       snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai));
+       snd_soc_unregister_platform(&pdev->dev);
 
        iounmap(master->base);
        kfree(master);
@@ -1321,3 +1330,4 @@ module_exit(fsi_mobile_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("SuperH onchip FSI audio driver");
 MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
+MODULE_ALIAS("platform:fsi-pcm-audio");
index b76b74d..d8562ce 100644 (file)
@@ -629,6 +629,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
                        runtime->hw.rates |= codec_dai_drv->capture.rates;
        }
 
+       ret = -EINVAL;
        snd_pcm_limit_hw_rates(runtime);
        if (!runtime->hw.rates) {
                printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
@@ -640,7 +641,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
                        codec_dai->name, cpu_dai->name);
                goto config_err;
        }
-       if (!runtime->hw.channels_min || !runtime->hw.channels_max) {
+       if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
+           runtime->hw.channels_min > runtime->hw.channels_max) {
                printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
                                codec_dai->name, cpu_dai->name);
                goto config_err;
@@ -2060,6 +2062,7 @@ const struct dev_pm_ops snd_soc_pm_ops = {
        .resume = snd_soc_resume,
        .poweroff = snd_soc_poweroff,
 };
+EXPORT_SYMBOL_GPL(snd_soc_pm_ops);
 
 /* ASoC platform driver */
 static struct platform_driver soc_driver = {
index 8585957..556a571 100644 (file)
@@ -370,6 +370,7 @@ static struct platform_driver tegra_snd_harmony_driver = {
        .driver = {
                .name = DRV_NAME,
                .owner = THIS_MODULE,
+               .pm = &snd_soc_pm_ops,
        },
        .probe = tegra_snd_harmony_probe,
        .remove = __devexit_p(tegra_snd_harmony_remove),