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| author | Andres Salomon <dilinger@debian.org> | 2006-09-11 08:51:05 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-11 08:51:05 -0400 |
| commit | 62f1d0e6de138b91d55fbd7d579c837ed62e9e31 (patch) | |
| tree | b3842135c320101acdd8c457459786537b9ed4ed | |
| parent | c336923b668fdcf0312efbec3b44895d713f4d81 (diff) | |
| download | linux-3.10-62f1d0e6de138b91d55fbd7d579c837ed62e9e31.tar.gz linux-3.10-62f1d0e6de138b91d55fbd7d579c837ed62e9e31.tar.bz2 linux-3.10-62f1d0e6de138b91d55fbd7d579c837ed62e9e31.zip | |
[libata] sata_mv: errata check buglet fix
Fix a buglet; the errata check below this code is assuming the value in
the sstatus variable is what was pulled out of the SCR_STATUS register.
However, the status checks in the timeout loop clobber everything
but the first 4 bits of sstatus, so the errata checks are invalid.
This patch changes it to not clobber SStatus.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/scsi/sata_mv.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index 1053c7c76b7..fa38a413d16 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -1961,8 +1961,7 @@ comreset_retry: timeout = jiffies + msecs_to_jiffies(200); do { sata_scr_read(ap, SCR_STATUS, &sstatus); - sstatus &= 0x3; - if ((sstatus == 3) || (sstatus == 0)) + if (((sstatus & 0x3) == 3) || ((sstatus & 0x3) == 0)) break; __msleep(1, can_sleep); |