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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-29 08:03:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-29 08:03:30 -0700
commit302f5bc54448bd2b37d5a8be9b6abc29397827ef (patch)
tree3486f92b13f6b53dd28388c1f2e5f33dc9866f20
parent18cb657ca1bafe635f368346a1676fb04c512edf (diff)
parentdd8717da6da9b0e745df49762be4573010f1013c (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide: clean up timed out request handling hpt366: fix clock turnaround hpt366: add debounce delay to cable_detect() method
-rw-r--r--drivers/ide/hpt366.c14
-rw-r--r--drivers/ide/ide-dma.c11
2 files changed, 11 insertions, 14 deletions
diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index 97d98fbf584..58c51cddc10 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -838,7 +838,7 @@ static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode)
static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq)
{
- hpt3xxn_set_clock(drive->hwif, rq_data_dir(rq) ? 0x23 : 0x21);
+ hpt3xxn_set_clock(drive->hwif, rq_data_dir(rq) ? 0x21 : 0x23);
}
/**
@@ -1173,8 +1173,9 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
u16 mcr;
pci_read_config_word(dev, mcr_addr, &mcr);
- pci_write_config_word(dev, mcr_addr, (mcr | 0x8000));
- /* now read cable id register */
+ pci_write_config_word(dev, mcr_addr, mcr | 0x8000);
+ /* Debounce, then read cable ID register */
+ udelay(10);
pci_read_config_byte(dev, 0x5a, &scr1);
pci_write_config_word(dev, mcr_addr, mcr);
} else if (chip_type >= HPT370) {
@@ -1185,10 +1186,11 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
u8 scr2 = 0;
pci_read_config_byte(dev, 0x5b, &scr2);
- pci_write_config_byte(dev, 0x5b, (scr2 & ~1));
- /* now read cable id register */
+ pci_write_config_byte(dev, 0x5b, scr2 & ~1);
+ /* Debounce, then read cable ID register */
+ udelay(10);
pci_read_config_byte(dev, 0x5a, &scr1);
- pci_write_config_byte(dev, 0x5b, scr2);
+ pci_write_config_byte(dev, 0x5b, scr2);
} else
pci_read_config_byte(dev, 0x5a, &scr1);
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 06b14bc9a1d..d4136908f91 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -449,7 +449,6 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
ide_hwif_t *hwif = drive->hwif;
const struct ide_dma_ops *dma_ops = hwif->dma_ops;
struct ide_cmd *cmd = &hwif->cmd;
- struct request *rq;
ide_startstop_t ret = ide_stopped;
/*
@@ -487,14 +486,10 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
ide_dma_off_quietly(drive);
/*
- * un-busy drive etc and make sure request is sane
+ * make sure request is sane
*/
- rq = hwif->rq;
- if (rq) {
- hwif->rq = NULL;
- rq->errors = 0;
- ide_requeue_and_plug(drive, rq);
- }
+ if (hwif->rq)
+ hwif->rq->errors = 0;
return ret;
}