Commit c0297e7d authored by Igor Pylypiv's avatar Igor Pylypiv Committed by Damien Le Moal
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ata: libata-core: Allow command duration limits detection for ACS-4 drives 



Even though the command duration limits (CDL) feature was first added
in ACS-5 (major version 12), there are some ACS-4 (major version 11)
drives that implement CDL as well.

IDENTIFY_DEVICE, SUPPORTED_CAPABILITIES, and CURRENT_SETTINGS log pages
are mandatory in the ACS-4 standard so it should be safe to read these
log pages on older drives implementing the ACS-4 standard.

Fixes: 62e4a60e ("scsi: ata: libata: Detect support for command duration limits")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarIgor Pylypiv <ipylypiv@google.com>
Signed-off-by: default avatarDamien Le Moal <dlemoal@kernel.org>
parent 79336504

drivers/ata/libata-core.c

+1 −1
Original line number Diff line number Diff line
@@ -2539,7 +2539,7 @@ static void ata_dev_config_cdl(struct ata_device *dev) 
	bool cdl_enabled;

	u64 val;



	if (ata_id_major_version(dev->id) < 12)

	if (ata_id_major_version(dev->id) < 11)

		goto not_supported;



	if (!ata_log_supported(dev, ATA_LOG_IDENTIFY_DEVICE) ||