diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2011-10-13 09:17:32 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2011-10-14 13:21:54 -0400 |
| commit | bff00256f1b2d762dea3d6c2c9dc85d453fa3e8f (patch) | |
| tree | 5b1710ddc971faa4c27fa898434800bdfa8faaac /drivers | |
| parent | 9f8abf8248f8b90532a201845654d467f4388474 (diff) | |
libata: ata_timing_compute() fixup
XFER_SW_DMA_0 mode should be excluded from the extended cycle timing
computations.
Acked-by: Alan Cox <alan@linux.intel.com>
Noticed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4a3a5ae7bb45..32fc41c1da30 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c | |||
| @@ -2938,7 +2938,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, | |||
| 2938 | if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */ | 2938 | if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */ |
| 2939 | memset(&p, 0, sizeof(p)); | 2939 | memset(&p, 0, sizeof(p)); |
| 2940 | 2940 | ||
| 2941 | if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) { | 2941 | if (speed >= XFER_PIO_0 && speed < XFER_SW_DMA_0) { |
| 2942 | if (speed <= XFER_PIO_2) | 2942 | if (speed <= XFER_PIO_2) |
| 2943 | p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO]; | 2943 | p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO]; |
| 2944 | else if ((speed <= XFER_PIO_4) || | 2944 | else if ((speed <= XFER_PIO_4) || |