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authorOlof Johansson <olof@lixom.net>2013-01-30 10:04:23 -0800
committerOlof Johansson <olof@lixom.net>2013-01-30 10:04:56 -0800
commit3e93093ecd0c144e86a86cc1f165221b6cd3e7fb (patch)
tree0d6dffb90985bd90fd0ca43076a629f12e277096 /drivers/ata/libata-core.c
parent43243322139194c2fea606095f82498e07536c27 (diff)
parentda660b4a3b15caea9c198c4f26d1cf7023df92fc (diff)
Merge tag 'vexpress/drivers-for-3.9' of git://git.linaro.org/people/pawelmoll/linux into next/drivers
From Pawel Moll: Versatile Express related driver updates for 3.9: * Move sp810 header to a more generic location, mainly to share it with arm64 * tag 'vexpress/drivers-for-3.9' of git://git.linaro.org/people/pawelmoll/linux: arm: Move sp810.h to include/linux/amba/ + Linux 3.8-rc5 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9e8b99af400d..46cd3f4c6aaa 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2325,24 +2325,28 @@ int ata_dev_configure(struct ata_device *dev)
}
}
- /* check and mark DevSlp capability */
- if (ata_id_has_devslp(dev->id))
- dev->flags |= ATA_DFLAG_DEVSLP;
-
- /* Obtain SATA Settings page from Identify Device Data Log,
- * which contains DevSlp timing variables etc.
- * Exclude old devices with ata_id_has_ncq()
+ /* Check and mark DevSlp capability. Get DevSlp timing variables
+ * from SATA Settings page of Identify Device Data Log.
*/
- if (ata_id_has_ncq(dev->id)) {
+ if (ata_id_has_devslp(dev->id)) {
+ u8 sata_setting[ATA_SECT_SIZE];
+ int i, j;
+
+ dev->flags |= ATA_DFLAG_DEVSLP;
err_mask = ata_read_log_page(dev,
ATA_LOG_SATA_ID_DEV_DATA,
ATA_LOG_SATA_SETTINGS,
- dev->sata_settings,
+ sata_setting,
1);
if (err_mask)
ata_dev_dbg(dev,
"failed to get Identify Device Data, Emask 0x%x\n",
err_mask);
+ else
+ for (i = 0; i < ATA_LOG_DEVSLP_SIZE; i++) {
+ j = ATA_LOG_DEVSLP_OFFSET + i;
+ dev->devslp_timing[i] = sata_setting[j];
+ }
}
dev->cdb_len = 16;