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Revert "libata: check SATA_SETTINGS log with HW Feature Ctrl"

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This reverts commit de90cd71f6.

Shane Huang writes:

  Please suspend this patch because I just received two new
  DevSlp drives but found word 78 bit 5 is _not_ set.

  I'm checking with the drive vendor whether he gave me
  the wrong information. If bit 5 is not the necessary and
  sufficient condition, I will implement another patch to
  replace ata_device->sata_settings into ->devslp_timing.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jeff Garzik 2012-12-14 09:34:01 -05:00 committed by Jeff Garzik
parent 84043ac26e
commit 8349e5aeaa
2 changed files with 2 additions and 2 deletions
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3
drivers/ata/libata-core.c
View File

@ -2331,8 +2331,9 @@ int ata_dev_configure(struct ata_device *dev)
/* Obtain SATA Settings page from Identify Device Data Log,
* which contains DevSlp timing variables etc.
* Exclude old devices with ata_id_has_ncq()
*/
if (ata_id_has_hw_feature_ctrl(dev->id)) {
if (ata_id_has_ncq(dev->id)) {
err_mask = ata_read_log_page(dev,
ATA_LOG_SATA_ID_DEV_DATA,
ATA_LOG_SATA_SETTINGS,

1
include/linux/ata.h
View File

@ -593,7 +593,6 @@ static inline int ata_is_data(u8 prot)
#define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20)
#define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))
#define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8))
#define ata_id_has_hw_feature_ctrl(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5))
static inline bool ata_id_has_hipm(const u16 *id)
{