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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 14:55:59 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 14:55:59 +0000
commit329f9052dbadf6f4afe2231668bd00c579a4aa10 (patch)
treee080a5c70df40f3ae8cf28a95a3267757668ab97 /drivers/ata/libata-core.c
parent395b228858778d3c44f7c413693a6acaa8bb62dc (diff)
parent220bf991b0366cc50a94feede3d7341fa5710ee4 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/nand/sh_flctl.c Maxim's patch to initialise sysfs attributes depends on the patch which actually adds sysfs_attr_init().
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 6728328f3be..4a28420efff 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2232,7 +2232,7 @@ retry:
* Some drives were very specific about that exact sequence.
*
* Note that ATA4 says lba is mandatory so the second check
- * shoud never trigger.
+ * should never trigger.
*/
if (ata_id_major_version(id) < 4 || !ata_id_has_lba(id)) {
err_mask = ata_dev_init_params(dev, id[3], id[6]);
@@ -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);
}