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-rw-r--r--drivers/ide/Kconfig14
-rw-r--r--drivers/ide/alim15x3.c2
-rw-r--r--drivers/ide/amd74xx.c11
-rw-r--r--drivers/ide/ide-io.c24
-rw-r--r--drivers/ide/ide-iops.c9
-rw-r--r--drivers/ide/ide-probe.c3
-rw-r--r--drivers/ide/pmac.c30
-rw-r--r--drivers/ide/sgiioc4.c6
8 files changed, 37 insertions, 62 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 6d7401772a8..e6857e01d1b 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -669,10 +669,12 @@ config BLK_DEV_CELLEB
endif
+# TODO: BLK_DEV_IDEDMA_PCI -> BLK_DEV_IDEDMA_SFF
config BLK_DEV_IDE_PMAC
tristate "PowerMac on-board IDE support"
depends on PPC_PMAC && IDE=y
select IDE_TIMINGS
+ select BLK_DEV_IDEDMA_PCI
help
This driver provides support for the on-board IDE controller on
most of the recent Apple Power Macintoshes and PowerBooks.
@@ -689,16 +691,6 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST
CD-ROM on hda. This option changes this to more natural hda for
hard disk and hdc for CD-ROM.
-config BLK_DEV_IDEDMA_PMAC
- bool "PowerMac IDE DMA support"
- depends on BLK_DEV_IDE_PMAC
- select BLK_DEV_IDEDMA_PCI
- help
- This option allows the driver for the on-board IDE controller on
- Power Macintoshes and PowerBooks to use DMA (direct memory access)
- to transfer data to and from memory. Saying Y is safe and improves
- performance.
-
config BLK_DEV_IDE_AU1XXX
bool "IDE for AMD Alchemy Au1200"
depends on SOC_AU1200
@@ -912,7 +904,7 @@ config BLK_DEV_UMC8672
endif
config BLK_DEV_IDEDMA
- def_bool BLK_DEV_IDEDMA_SFF || BLK_DEV_IDEDMA_PMAC || \
+ def_bool BLK_DEV_IDEDMA_SFF || \
BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
endif # IDE
diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
index e56c7b72f9e..45d2356bb72 100644
--- a/drivers/ide/alim15x3.c
+++ b/drivers/ide/alim15x3.c
@@ -591,7 +591,7 @@ static int __init ali15x3_ide_init(void)
static void __exit ali15x3_ide_exit(void)
{
- return pci_unregister_driver(&alim15x3_pci_driver);
+ pci_unregister_driver(&alim15x3_pci_driver);
}
module_init(ali15x3_ide_init);
diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c
index 81ec73134ed..c6bcd3014a2 100644
--- a/drivers/ide/amd74xx.c
+++ b/drivers/ide/amd74xx.c
@@ -3,7 +3,7 @@
* IDE driver for Linux.
*
* Copyright (c) 2000-2002 Vojtech Pavlik
- * Copyright (c) 2007 Bartlomiej Zolnierkiewicz
+ * Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz
*
* Based on the work of:
* Andre Hedrick
@@ -263,6 +263,15 @@ static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_
d.udma_mask = ATA_UDMA5;
}
+ /*
+ * It seems that on some nVidia controllers using AltStatus
+ * register can be unreliable so default to Status register
+ * if the device is in Compatibility Mode.
+ */
+ if (dev->vendor == PCI_VENDOR_ID_NVIDIA &&
+ ide_pci_is_in_compatibility_mode(dev))
+ d.host_flags |= IDE_HFLAG_BROKEN_ALTSTATUS;
+
printk(KERN_INFO "%s %s: UDMA%s controller\n",
d.name, pci_name(dev), amd_dma[fls(d.udma_mask) - 1]);
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 7162d67562a..cc35d6dbd41 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -132,10 +132,14 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
}
EXPORT_SYMBOL(ide_end_request);
-static void ide_complete_power_step(ide_drive_t *drive, struct request *rq, u8 stat, u8 error)
+static void ide_complete_power_step(ide_drive_t *drive, struct request *rq)
{
struct request_pm_state *pm = rq->data;
+#ifdef DEBUG_PM
+ printk(KERN_INFO "%s: complete_power_step(step: %d)\n",
+ drive->name, pm->pm_step);
+#endif
if (drive->media != ide_disk)
return;
@@ -172,7 +176,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
/* Not supported? Switch to next step now. */
if (ata_id_flush_enabled(drive->id) == 0 ||
(drive->dev_flags & IDE_DFLAG_WCACHE) == 0) {
- ide_complete_power_step(drive, rq, 0, 0);
+ ide_complete_power_step(drive, rq);
return ide_stopped;
}
if (ata_id_flush_ext_enabled(drive->id))
@@ -191,7 +195,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
if (drive->media != ide_disk)
pm->pm_step = IDE_PM_RESTORE_DMA;
else
- ide_complete_power_step(drive, rq, 0, 0);
+ ide_complete_power_step(drive, rq);
return ide_stopped;
case IDE_PM_IDLE: /* Resume step 2 (idle) */
args->tf.command = ATA_CMD_IDLEIMMEDIATE;
@@ -322,11 +326,8 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
}
} else if (blk_pm_request(rq)) {
struct request_pm_state *pm = rq->data;
-#ifdef DEBUG_PM
- printk("%s: complete_power_step(step: %d, stat: %x, err: %x)\n",
- drive->name, rq->pm->pm_step, stat, err);
-#endif
- ide_complete_power_step(drive, rq, stat, err);
+
+ ide_complete_power_step(drive, rq);
if (pm->pm_step == IDE_PM_COMPLETED)
ide_complete_pm_request(drive, rq);
return;
@@ -804,7 +805,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
struct request_pm_state *pm = rq->data;
#ifdef DEBUG_PM
printk("%s: start_power_step(step: %d)\n",
- drive->name, rq->pm->pm_step);
+ drive->name, pm->pm_step);
#endif
startstop = ide_start_power_step(drive, rq);
if (startstop == ide_stopped &&
@@ -967,14 +968,13 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
ide_startstop_t startstop;
int loops = 0;
- /* for atari only: POSSIBLY BROKEN HERE(?) */
- ide_get_lock(ide_intr, hwgroup);
-
/* caller must own ide_lock */
BUG_ON(!irqs_disabled());
while (!hwgroup->busy) {
hwgroup->busy = 1;
+ /* for atari only */
+ ide_get_lock(ide_intr, hwgroup);
drive = choose_drive(hwgroup);
if (drive == NULL) {
int sleeping = 0;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 5d6ba14e211..c41c3b9b6f0 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -457,18 +457,14 @@ int drive_is_ready (ide_drive_t *drive)
if (drive->waiting_for_dma)
return hwif->dma_ops->dma_test_irq(drive);
-#if 0
- /* need to guarantee 400ns since last command was issued */
- udelay(1);
-#endif
-
/*
* We do a passive status test under shared PCI interrupts on
* cards that truly share the ATA side interrupt, but may also share
* an interrupt with another pci card/device. We make no assumptions
* about possible isa-pnp and pci-pnp issues yet.
*/
- if (hwif->io_ports.ctl_addr)
+ if (hwif->io_ports.ctl_addr &&
+ (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0)
stat = hwif->tp_ops->read_altstatus(hwif);
else
/* Note: this may clear a pending IRQ!! */
@@ -610,6 +606,7 @@ static const struct drive_list_entry ivb_list[] = {
{ "TSSTcorp CDDVDW SH-S202N" , "SB01" },
{ "TSSTcorp CDDVDW SH-S202H" , "SB00" },
{ "TSSTcorp CDDVDW SH-S202H" , "SB01" },
+ { "SAMSUNG SP0822N" , "WA100-10" },
{ NULL , NULL }
};
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 1649ea54f76..c55bdbd2231 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -266,7 +266,8 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
/* take a deep breath */
msleep(50);
- if (io_ports->ctl_addr) {
+ if (io_ports->ctl_addr &&
+ (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0) {
a = tp_ops->read_altstatus(hwif);
s = tp_ops->read_status(hwif);
if ((a ^ s) & ~ATA_IDX)
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 2e19d629853..7c481bb56fa 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -66,7 +66,6 @@ typedef struct pmac_ide_hwif {
struct macio_dev *mdev;
u32 timings[4];
volatile u32 __iomem * *kauai_fcr;
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
/* Those fields are duplicating what is in hwif. We currently
* can't use the hwif ones because of some assumptions that are
* beeing done by the generic code about the kind of dma controller
@@ -74,8 +73,6 @@ typedef struct pmac_ide_hwif {
*/
volatile struct dbdma_regs __iomem * dma_regs;
struct dbdma_cmd* dma_table_cpu;
-#endif
-
} pmac_ide_hwif_t;
enum {
@@ -222,8 +219,6 @@ static const char* model_name[] = {
#define KAUAI_FCR_UATA_RESET_N 0x00000002
#define KAUAI_FCR_UATA_ENABLE 0x00000001
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
-
/* Rounded Multiword DMA timings
*
* I gave up finding a generic formula for all controller
@@ -413,8 +408,6 @@ static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq);
static void pmac_ide_selectproc(ide_drive_t *drive);
static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
-#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
-
#define PMAC_IDE_REG(x) \
((void __iomem *)((drive)->hwif->io_ports.data_addr + (x)))
@@ -584,8 +577,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
pmac_ide_do_update_timings(drive);
}
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
-
/*
* Calculate KeyLargo ATA/66 UDMA timings
*/
@@ -786,7 +777,6 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
drive->name, speed & 0xf, *timings);
#endif
}
-#endif /* #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC */
static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
@@ -804,7 +794,6 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
tl[0] = *timings;
tl[1] = *timings2;
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
if (speed >= XFER_UDMA_0) {
if (pmif->kind == controller_kl_ata4)
ret = set_timings_udma_ata4(&tl[0], speed);
@@ -817,7 +806,7 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
ret = -1;
} else
set_timings_mdma(drive, pmif->kind, &tl[0], &tl[1], speed);
-#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
+
if (ret)
return;
@@ -1008,9 +997,7 @@ static const struct ide_port_info pmac_port_info = {
.chipset = ide_pmac,
.tp_ops = &pmac_tp_ops,
.port_ops = &pmac_ide_port_ops,
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
.dma_ops = &pmac_dma_ops,
-#endif
.host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
IDE_HFLAG_POST_SET_MODE |
IDE_HFLAG_MMIO |
@@ -1182,7 +1169,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
pmif->regbase = regbase;
pmif->irq = irq;
pmif->kauai_fcr = NULL;
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
+
if (macio_resource_count(mdev) >= 2) {
if (macio_request_resource(mdev, 1, "ide-pmac (dma)"))
printk(KERN_WARNING "ide-pmac: can't request DMA "
@@ -1192,7 +1179,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000);
} else
pmif->dma_regs = NULL;
-#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
+
dev_set_drvdata(&mdev->ofdev.dev, pmif);
memset(&hw, 0, sizeof(hw));
@@ -1300,9 +1287,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id)
base = ioremap(rbase, rlen);
pmif->regbase = (unsigned long) base + 0x2000;
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
pmif->dma_regs = base + 0x1000;
-#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
pmif->kauai_fcr = base;
pmif->irq = pdev->irq;
@@ -1434,8 +1419,6 @@ out:
return error;
}
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
-
/*
* pmac_ide_build_dmatable builds the DBDMA command list
* for a transfer and sets the DBDMA channel to point to it.
@@ -1723,13 +1706,6 @@ static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
return 0;
}
-#else
-static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
- const struct ide_port_info *d)
-{
- return -EOPNOTSUPP;
-}
-#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
module_init(pmac_ide_probe);
diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index 7defa0ae201..a687a7dfea6 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -550,7 +550,7 @@ static const struct ide_dma_ops sgiioc4_dma_ops = {
.dma_timeout = ide_dma_timeout,
};
-static const struct ide_port_info sgiioc4_port_info __devinitdata = {
+static const struct ide_port_info sgiioc4_port_info __devinitconst = {
.name = DRV_NAME,
.chipset = ide_pci,
.init_dma = ide_dma_sgiioc4,
@@ -633,7 +633,7 @@ out:
return ret;
}
-int
+int __devinit
ioc4_ide_attach_one(struct ioc4_driver_data *idd)
{
/* PCI-RT does not bring out IDE connection.
@@ -645,7 +645,7 @@ ioc4_ide_attach_one(struct ioc4_driver_data *idd)
return pci_init_sgiioc4(idd->idd_pdev);
}
-static struct ioc4_submodule ioc4_ide_submodule = {
+static struct ioc4_submodule __devinitdata ioc4_ide_submodule = {
.is_name = "IOC4_ide",
.is_owner = THIS_MODULE,
.is_probe = ioc4_ide_attach_one,
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 16:52:29 +0000