Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  arch/powerpc: use printk_ratelimited instead of printk_ratelimit
  powerpc/rtas-rtc: remove sideeffects of printk_ratelimit
  powerpc/pseries: remove duplicate SCSI_BNX2_ISCSI in pseries_defconfig
  powerpc/e500: fix breakage with fsl_rio_mcheck_exception
  powerpc/p1022ds: fix audio-related properties in the device tree
  powerpc/85xx: fix NAND_CMD_READID read bytes number

diff --git a/arch/powerpc/boot/dts/p1022ds.dts b/arch/powerpc/boot/dts/p1022ds.dts
index 4f685a7..98d9426 100644 (file)
--- a/arch/powerpc/boot/dts/p1022ds.dts
+++ b/arch/powerpc/boot/dts/p1022ds.dts
@@ -209,8 +209,10 @@
                        wm8776:codec@1a {
                                compatible = "wlf,wm8776";
                                reg = <0x1a>;
-                               /* MCLK source is a stand-alone oscillator */
-                               clock-frequency = <12288000>;
+                               /*
+                                * clock-frequency will be set by U-Boot if
+                                * the clock is enabled.
+                                */
                        };
                };
 
@@ -280,7 +282,8 @@
                        codec-handle = <&wm8776>;
                        fsl,playback-dma = <&dma00>;
                        fsl,capture-dma = <&dma01>;
-                       fsl,fifo-depth = <16>;
+                       fsl,fifo-depth = <15>;
+                       fsl,ssi-asynchronous;
                };
 
                dma@c300 {

diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index c9f212b..80bc5de 100644 (file)
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -148,7 +148,6 @@ CONFIG_SCSI_SAS_ATTRS=m
 CONFIG_SCSI_CXGB3_ISCSI=m
 CONFIG_SCSI_CXGB4_ISCSI=m
 CONFIG_SCSI_BNX2_ISCSI=m
-CONFIG_SCSI_BNX2_ISCSI=m
 CONFIG_BE2ISCSI=m
 CONFIG_SCSI_IBMVSCSI=y
 CONFIG_SCSI_IBMVFC=m

diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c
index 77578c0..c57c193 100644 (file)
--- a/arch/powerpc/kernel/rtas-rtc.c
+++ b/arch/powerpc/kernel/rtas-rtc.c
@@ -4,6 +4,7 @@
 #include <linux/init.h>
 #include <linux/rtc.h>
 #include <linux/delay.h>
+#include <linux/ratelimit.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
 #include <asm/time.h>
@@ -29,9 +30,10 @@ unsigned long __init rtas_get_boot_time(void)
                }
        } while (wait_time && (get_tb() < max_wait_tb));
 
-       if (error != 0 && printk_ratelimit()) {
-               printk(KERN_WARNING "error: reading the clock failed (%d)\n",
-                       error);
+       if (error != 0) {
+               printk_ratelimited(KERN_WARNING
+                                  "error: reading the clock failed (%d)\n",
+                                  error);
                return 0;
        }
 
@@ -55,19 +57,21 @@ void rtas_get_rtc_time(struct rtc_time *rtc_tm)
 
                wait_time = rtas_busy_delay_time(error);
                if (wait_time) {
-                       if (in_interrupt() && printk_ratelimit()) {
+                       if (in_interrupt()) {
                                memset(rtc_tm, 0, sizeof(struct rtc_time));
-                               printk(KERN_WARNING "error: reading clock"
-                                      " would delay interrupt\n");
+                               printk_ratelimited(KERN_WARNING
+                                                  "error: reading clock "
+                                                  "would delay interrupt\n");
                                return; /* delay not allowed */
                        }
                        msleep(wait_time);
                }
        } while (wait_time && (get_tb() < max_wait_tb));
 
-        if (error != 0 && printk_ratelimit()) {
-                printk(KERN_WARNING "error: reading the clock failed (%d)\n",
-                      error);
+       if (error != 0) {
+               printk_ratelimited(KERN_WARNING
+                                  "error: reading the clock failed (%d)\n",
+                                  error);
                return;
         }
 
@@ -99,9 +103,10 @@ int rtas_set_rtc_time(struct rtc_time *tm)
                }
        } while (wait_time && (get_tb() < max_wait_tb));
 
-        if (error != 0 && printk_ratelimit())
-                printk(KERN_WARNING "error: setting the clock failed (%d)\n",
-                      error);
+       if (error != 0)
+               printk_ratelimited(KERN_WARNING
+                                  "error: setting the clock failed (%d)\n",
+                                  error);
 
         return 0;
 }

diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index b96a3a0..78b76dc 100644 (file)
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -25,6 +25,7 @@
 #include <linux/errno.h>
 #include <linux/elf.h>
 #include <linux/ptrace.h>
+#include <linux/ratelimit.h>
 #ifdef CONFIG_PPC64
 #include <linux/syscalls.h>
 #include <linux/compat.h>
@@ -892,11 +893,12 @@ badframe:
        printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n",
               regs, frame, newsp);
 #endif
-       if (show_unhandled_signals && printk_ratelimit())
-               printk(KERN_INFO "%s[%d]: bad frame in handle_rt_signal32: "
-                       "%p nip %08lx lr %08lx\n",
-                       current->comm, current->pid,
-                       addr, regs->nip, regs->link);
+       if (show_unhandled_signals)
+               printk_ratelimited(KERN_INFO
+                                  "%s[%d]: bad frame in handle_rt_signal32: "
+                                  "%p nip %08lx lr %08lx\n",
+                                  current->comm, current->pid,
+                                  addr, regs->nip, regs->link);
 
        force_sigsegv(sig, current);
        return 0;
@@ -1058,11 +1060,12 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
        return 0;
 
  bad:
-       if (show_unhandled_signals && printk_ratelimit())
-               printk(KERN_INFO "%s[%d]: bad frame in sys_rt_sigreturn: "
-                       "%p nip %08lx lr %08lx\n",
-                       current->comm, current->pid,
-                       rt_sf, regs->nip, regs->link);
+       if (show_unhandled_signals)
+               printk_ratelimited(KERN_INFO
+                                  "%s[%d]: bad frame in sys_rt_sigreturn: "
+                                  "%p nip %08lx lr %08lx\n",
+                                  current->comm, current->pid,
+                                  rt_sf, regs->nip, regs->link);
 
        force_sig(SIGSEGV, current);
        return 0;
@@ -1149,12 +1152,12 @@ int sys_debug_setcontext(struct ucontext __user *ctx,
         * We kill the task with a SIGSEGV in this situation.
         */
        if (do_setcontext(ctx, regs, 1)) {
-               if (show_unhandled_signals && printk_ratelimit())
-                       printk(KERN_INFO "%s[%d]: bad frame in "
-                               "sys_debug_setcontext: %p nip %08lx "
-                               "lr %08lx\n",
-                               current->comm, current->pid,
-                               ctx, regs->nip, regs->link);
+               if (show_unhandled_signals)
+                       printk_ratelimited(KERN_INFO "%s[%d]: bad frame in "
+                                          "sys_debug_setcontext: %p nip %08lx "
+                                          "lr %08lx\n",
+                                          current->comm, current->pid,
+                                          ctx, regs->nip, regs->link);
 
                force_sig(SIGSEGV, current);
                goto out;
@@ -1236,11 +1239,12 @@ badframe:
        printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n",
               regs, frame, newsp);
 #endif
-       if (show_unhandled_signals && printk_ratelimit())
-               printk(KERN_INFO "%s[%d]: bad frame in handle_signal32: "
-                       "%p nip %08lx lr %08lx\n",
-                       current->comm, current->pid,
-                       frame, regs->nip, regs->link);
+       if (show_unhandled_signals)
+               printk_ratelimited(KERN_INFO
+                                  "%s[%d]: bad frame in handle_signal32: "
+                                  "%p nip %08lx lr %08lx\n",
+                                  current->comm, current->pid,
+                                  frame, regs->nip, regs->link);
 
        force_sigsegv(sig, current);
        return 0;
@@ -1288,11 +1292,12 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
        return 0;
 
 badframe:
-       if (show_unhandled_signals && printk_ratelimit())
-               printk(KERN_INFO "%s[%d]: bad frame in sys_sigreturn: "
-                       "%p nip %08lx lr %08lx\n",
-                       current->comm, current->pid,
-                       addr, regs->nip, regs->link);
+       if (show_unhandled_signals)
+               printk_ratelimited(KERN_INFO
+                                  "%s[%d]: bad frame in sys_sigreturn: "
+                                  "%p nip %08lx lr %08lx\n",
+                                  current->comm, current->pid,
+                                  addr, regs->nip, regs->link);
 
        force_sig(SIGSEGV, current);
        return 0;

diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index da989ff..e91c736 100644 (file)
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -24,6 +24,7 @@
 #include <linux/elf.h>
 #include <linux/ptrace.h>
 #include <linux/module.h>
+#include <linux/ratelimit.h>
 
 #include <asm/sigcontext.h>
 #include <asm/ucontext.h>
@@ -380,10 +381,10 @@ badframe:
        printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n",
               regs, uc, &uc->uc_mcontext);
 #endif
-       if (show_unhandled_signals && printk_ratelimit())
-               printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
-                       current->comm, current->pid, "rt_sigreturn",
-                       (long)uc, regs->nip, regs->link);
+       if (show_unhandled_signals)
+               printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+                                  current->comm, current->pid, "rt_sigreturn",
+                                  (long)uc, regs->nip, regs->link);
 
        force_sig(SIGSEGV, current);
        return 0;
@@ -468,10 +469,10 @@ badframe:
        printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n",
               regs, frame, newsp);
 #endif
-       if (show_unhandled_signals && printk_ratelimit())
-               printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
-                       current->comm, current->pid, "setup_rt_frame",
-                       (long)frame, regs->nip, regs->link);
+       if (show_unhandled_signals)
+               printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+                                  current->comm, current->pid, "setup_rt_frame",
+                                  (long)frame, regs->nip, regs->link);
 
        force_sigsegv(signr, current);
        return 0;

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 0ff4ab9..1a01414 100644 (file)
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -34,6 +34,7 @@
 #include <linux/bug.h>
 #include <linux/kdebug.h>
 #include <linux/debugfs.h>
+#include <linux/ratelimit.h>
 
 #include <asm/emulated_ops.h>
 #include <asm/pgtable.h>
@@ -197,12 +198,11 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
                if (die("Exception in kernel mode", regs, signr))
                        return;
        } else if (show_unhandled_signals &&
-                   unhandled_signal(current, signr) &&
-                   printk_ratelimit()) {
-                       printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
-                               current->comm, current->pid, signr,
-                               addr, regs->nip, regs->link, code);
-               }
+                  unhandled_signal(current, signr)) {
+               printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+                                  current->comm, current->pid, signr,
+                                  addr, regs->nip, regs->link, code);
+       }
 
        memset(&info, 0, sizeof(info));
        info.si_signo = signr;
@@ -425,7 +425,7 @@ int machine_check_e500mc(struct pt_regs *regs)
        unsigned long reason = mcsr;
        int recoverable = 1;
 
-       if (reason & MCSR_BUS_RBERR) {
+       if (reason & MCSR_LD) {
                recoverable = fsl_rio_mcheck_exception(regs);
                if (recoverable == 1)
                        goto silent_out;
@@ -1342,9 +1342,8 @@ void altivec_assist_exception(struct pt_regs *regs)
        } else {
                /* didn't recognize the instruction */
                /* XXX quick hack for now: set the non-Java bit in the VSCR */
-               if (printk_ratelimit())
-                       printk(KERN_ERR "Unrecognized altivec instruction "
-                              "in %s at %lx\n", current->comm, regs->nip);
+               printk_ratelimited(KERN_ERR "Unrecognized altivec instruction "
+                                  "in %s at %lx\n", current->comm, regs->nip);
                current->thread.vscr.u[3] |= 0x10000;
        }
 }
@@ -1548,9 +1547,8 @@ u32 ppc_warn_emulated;
 
 void ppc_warn_emulated_print(const char *type)
 {
-       if (printk_ratelimit())
-               pr_warning("%s used emulated %s instruction\n", current->comm,
-                          type);
+       pr_warn_ratelimited("%s used emulated %s instruction\n", current->comm,
+                           type);
 }
 
 static int __init ppc_warn_emulated_init(void)

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 54f4fb9..ad35f66 100644 (file)
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -31,6 +31,7 @@
 #include <linux/kdebug.h>
 #include <linux/perf_event.h>
 #include <linux/magic.h>
+#include <linux/ratelimit.h>
 
 #include <asm/firmware.h>
 #include <asm/page.h>
@@ -346,11 +347,10 @@ bad_area_nosemaphore:
                return 0;
        }
 
-       if (is_exec && (error_code & DSISR_PROTFAULT)
-           && printk_ratelimit())
-               printk(KERN_CRIT "kernel tried to execute NX-protected"
-                      " page (%lx) - exploit attempt? (uid: %d)\n",
-                      address, current_uid());
+       if (is_exec && (error_code & DSISR_PROTFAULT))
+               printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected"
+                                  " page (%lx) - exploit attempt? (uid: %d)\n",
+                                  address, current_uid());
 
        return SIGSEGV;
 

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 5b206a2..b3fd081 100644 (file)
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -283,23 +283,24 @@ static void __iomem *rio_regs_win;
 #ifdef CONFIG_E500
 int fsl_rio_mcheck_exception(struct pt_regs *regs)
 {
-       const struct exception_table_entry *entry = NULL;
-       unsigned long reason = mfspr(SPRN_MCSR);
-
-       if (reason & MCSR_BUS_RBERR) {
-               reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
-               if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
-                       /* Check if we are prepared to handle this fault */
-                       entry = search_exception_tables(regs->nip);
-                       if (entry) {
-                               pr_debug("RIO: %s - MC Exception handled\n",
-                                        __func__);
-                               out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
-                                        0);
-                               regs->msr |= MSR_RI;
-                               regs->nip = entry->fixup;
-                               return 1;
-                       }
+       const struct exception_table_entry *entry;
+       unsigned long reason;
+
+       if (!rio_regs_win)
+               return 0;
+
+       reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
+       if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
+               /* Check if we are prepared to handle this fault */
+               entry = search_exception_tables(regs->nip);
+               if (entry) {
+                       pr_debug("RIO: %s - MC Exception handled\n",
+                                __func__);
+                       out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
+                                0);
+                       regs->msr |= MSR_RI;
+                       regs->nip = entry->fixup;
+                       return 1;
                }
        }
 

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3a8de5b..58d7a53 100644 (file)
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -29,6 +29,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/syscore_ops.h>
+#include <linux/ratelimit.h>
 
 #include <asm/ptrace.h>
 #include <asm/signal.h>
@@ -1648,9 +1649,8 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
                return NO_IRQ;
        }
        if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-               if (printk_ratelimit())
-                       printk(KERN_WARNING "%s: Got protected source %d !\n",
-                              mpic->name, (int)src);
+               printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
+                                  mpic->name, (int)src);
                mpic_eoi(mpic);
                return NO_IRQ;
        }
@@ -1688,9 +1688,8 @@ unsigned int mpic_get_coreint_irq(void)
                return NO_IRQ;
        }
        if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-               if (printk_ratelimit())
-                       printk(KERN_WARNING "%s: Got protected source %d !\n",
-                              mpic->name, (int)src);
+               printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
+                                  mpic->name, (int)src);
                return NO_IRQ;
        }
 

diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 0bb254c..33d8aad 100644 (file)
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -339,9 +339,9 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
                                    (FIR_OP_UA  << FIR_OP1_SHIFT) |
                                    (FIR_OP_RBW << FIR_OP2_SHIFT));
                out_be32(&lbc->fcr, NAND_CMD_READID << FCR_CMD0_SHIFT);
-               /* 5 bytes for manuf, device and exts */
-               out_be32(&lbc->fbcr, 5);
-               elbc_fcm_ctrl->read_bytes = 5;
+               /* nand_get_flash_type() reads 8 bytes of entire ID string */
+               out_be32(&lbc->fbcr, 8);
+               elbc_fcm_ctrl->read_bytes = 8;
                elbc_fcm_ctrl->use_mdr = 1;
                elbc_fcm_ctrl->mdr = 0;