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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
| commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
| tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /drivers/ata/libata-core.c | |
| parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
| parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) | |
| download | blackbird-op-linux-988addf82e4c03739375279de73929580a2d4a6a.tar.gz blackbird-op-linux-988addf82e4c03739375279de73929580a2d4a6a.zip | |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 6728328f3bea..9c77b0d1a9d0 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3211,6 +3211,7 @@ const struct ata_timing *ata_timing_find_mode(u8 xfer_mode) int ata_timing_compute(struct ata_device *adev, unsigned short speed, struct ata_timing *t, int T, int UT) { + const u16 *id = adev->id; const struct ata_timing *s; struct ata_timing p; @@ -3228,14 +3229,18 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, * PIO/MW_DMA cycle timing. */ - if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */ + if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */ memset(&p, 0, sizeof(p)); + if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) { - if (speed <= XFER_PIO_2) p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO]; - else p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO_IORDY]; - } else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) { - p.cycle = adev->id[ATA_ID_EIDE_DMA_MIN]; - } + if (speed <= XFER_PIO_2) + p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO]; + else if ((speed <= XFER_PIO_4) || + (speed == XFER_PIO_5 && !ata_id_is_cfa(id))) + p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY]; + } else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) + p.cycle = id[ATA_ID_EIDE_DMA_MIN]; + ata_timing_merge(&p, t, t, ATA_TIMING_CYCLE | ATA_TIMING_CYC8B); } |
