diff options
author | Tejun Heo <htejun@gmail.com> | 2007-02-02 01:29:52 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2007-02-09 17:39:39 -0500 |
commit | fe334602a83463aff59ae24c4b3e808d650a3c80 (patch) | |
tree | 044c48cd68d7b14f270310ab68c9f710c00b78b9 /drivers/ata/sata_inic162x.c | |
parent | 34fee227dd13af593be599b19683464ac4dd4c8b (diff) |
sata_inic162x: fix a few glitches in hardreset
* Hardreset must not exit without actually performing reset regardless
of link status. We're resetting the link after all.
* Minor message update.
* 150ms delay is meaningful iff link is online after reset is
complete.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/sata_inic162x.c')
-rw-r--r-- | drivers/ata/sata_inic162x.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 170a10ad478f..c5335f422801 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c | |||
@@ -429,11 +429,6 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class) | |||
429 | /* hammer it into sane state */ | 429 | /* hammer it into sane state */ |
430 | inic_reset_port(port_base); | 430 | inic_reset_port(port_base); |
431 | 431 | ||
432 | if (ata_port_offline(ap)) { | ||
433 | *class = ATA_DEV_NONE; | ||
434 | return 0; | ||
435 | } | ||
436 | |||
437 | val = readw(idma_ctl); | 432 | val = readw(idma_ctl); |
438 | writew(val | IDMA_CTL_RST_ATA, idma_ctl); | 433 | writew(val | IDMA_CTL_RST_ATA, idma_ctl); |
439 | readw(idma_ctl); /* flush */ | 434 | readw(idma_ctl); /* flush */ |
@@ -443,16 +438,17 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class) | |||
443 | rc = sata_phy_resume(ap, timing); | 438 | rc = sata_phy_resume(ap, timing); |
444 | if (rc) { | 439 | if (rc) { |
445 | ata_port_printk(ap, KERN_WARNING, "failed to resume " | 440 | ata_port_printk(ap, KERN_WARNING, "failed to resume " |
446 | "link for reset (errno=%d)\n", rc); | 441 | "link after reset (errno=%d)\n", rc); |
447 | return rc; | 442 | return rc; |
448 | } | 443 | } |
449 | 444 | ||
450 | msleep(150); | ||
451 | |||
452 | *class = ATA_DEV_NONE; | 445 | *class = ATA_DEV_NONE; |
453 | if (ata_port_online(ap)) { | 446 | if (ata_port_online(ap)) { |
454 | struct ata_taskfile tf; | 447 | struct ata_taskfile tf; |
455 | 448 | ||
449 | /* wait a while before checking status */ | ||
450 | msleep(150); | ||
451 | |||
456 | if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) { | 452 | if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) { |
457 | ata_port_printk(ap, KERN_WARNING, | 453 | ata_port_printk(ap, KERN_WARNING, |
458 | "device busy after hardreset\n"); | 454 | "device busy after hardreset\n"); |