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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6

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* 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
This commit is contained in:
Linus Torvalds 2010-10-29 08:03:30 -07:00
commit 302f5bc544
2 changed files with 11 additions and 14 deletions
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14
drivers/ide/hpt366.c
View File

@ -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);

11
drivers/ide/ide-dma.c
View File

@ -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;
}