Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 19 Nov 2011 00:04:12 +0000 (22:04 -0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 19 Nov 2011 00:04:12 +0000 (22:04 -0200)
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
  cy82c693: fix PCI device selection
  icside: DMA support fix
  IDE: Don't powerdown Compaq Triflex IDE device on suspend
  piix: ICH7 MWDMA1 errata

drivers/ide/cy82c693.c
drivers/ide/icside.c
drivers/ide/piix.c
drivers/ide/triflex.c

index 67cbcfa..847553f 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
  *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
- *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
+ *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz
  *
  * CYPRESS CY82C693 chipset IDE controller
  *
@@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
        u8 time_16, time_8;
 
        /* select primary or secondary channel */
-       if (hwif->index > 0) {  /* drive is on the secondary channel */
+       if (drive->dn > 1) {  /* drive is on the secondary channel */
                dev = pci_get_slot(dev->bus, dev->devfn+1);
                if (!dev) {
                        printk(KERN_ERR "%s: tune_drive: "
@@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
                pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
                pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
        }
-       if (hwif->index > 0)
+       if (drive->dn > 1)
                pci_dev_put(dev);
 }
 
index 4a697a2..8716066 100644 (file)
@@ -521,8 +521,8 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
        if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
                d.init_dma = icside_dma_init;
                d.port_ops = &icside_v6_port_ops;
+       } else
                d.dma_ops = NULL;
-       }
 
        ret = ide_host_register(host, &d, hws);
        if (ret)
index b59d04c..1892e81 100644 (file)
@@ -331,7 +331,7 @@ static const struct ide_port_ops ich_port_ops = {
                .udma_mask      = udma,                 \
        }
 
-#define DECLARE_ICH_DEV(udma) \
+#define DECLARE_ICH_DEV(mwdma, udma) \
        { \
                .name           = DRV_NAME, \
                .init_chipset   = init_chipset_ich, \
@@ -340,7 +340,7 @@ static const struct ide_port_ops ich_port_ops = {
                .port_ops       = &ich_port_ops, \
                .pio_mask       = ATA_PIO4, \
                .swdma_mask     = ATA_SWDMA2_ONLY, \
-               .mwdma_mask     = ATA_MWDMA12_ONLY, \
+               .mwdma_mask     = mwdma, \
                .udma_mask      = udma, \
        }
 
@@ -362,13 +362,15 @@ static const struct ide_port_info piix_pci_info[] __devinitdata = {
        /* 2: PIIX4 */
        DECLARE_PIIX_DEV(ATA_UDMA2),
        /* 3: ICH0 */
-       DECLARE_ICH_DEV(ATA_UDMA2),
+       DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2),
        /* 4: ICH */
-       DECLARE_ICH_DEV(ATA_UDMA4),
+       DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4),
        /* 5: PIIX4 */
        DECLARE_PIIX_DEV(ATA_UDMA4),
-       /* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
-       DECLARE_ICH_DEV(ATA_UDMA5),
+       /* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
+       DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5),
+       /* 7: ICH7/7-R, no MWDMA1 */
+       DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5),
 };
 
 /**
@@ -438,9 +440,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
 #endif
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2),      6 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19),    6 },
-       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    6 },
+       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    7 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1),  6 },
-       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    6 },
+       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    7 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6),     6 },
        { 0, },
 };
index e53a1b7..281c914 100644 (file)
@@ -113,12 +113,26 @@ static const struct pci_device_id triflex_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, triflex_pci_tbl);
 
+#ifdef CONFIG_PM
+static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+       /*
+        * We must not disable or powerdown the device.
+        * APM bios refuses to suspend if IDE is not accessible.
+        */
+       pci_save_state(dev);
+       return 0;
+}
+#else
+#define triflex_ide_pci_suspend NULL
+#endif
+
 static struct pci_driver triflex_pci_driver = {
        .name           = "TRIFLEX_IDE",
        .id_table       = triflex_pci_tbl,
        .probe          = triflex_init_one,
        .remove         = ide_pci_remove,
-       .suspend        = ide_pci_suspend,
+       .suspend        = triflex_ide_pci_suspend,
        .resume         = ide_pci_resume,
 };