libata: Implement support for sense data reporting
ACS-4 defines a sense data reporting feature set.
This patch implements support for it.
tj: Cosmetic formatting updates.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 55e257c..f991f78 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2148,6 +2148,24 @@
return 0;
}
+static void ata_dev_config_sense_reporting(struct ata_device *dev)
+{
+ unsigned int err_mask;
+
+ if (!ata_id_has_sense_reporting(dev->id))
+ return;
+
+ if (ata_id_sense_reporting_enabled(dev->id))
+ return;
+
+ err_mask = ata_dev_set_feature(dev, SETFEATURE_SENSE_DATA, 0x1);
+ if (err_mask) {
+ ata_dev_dbg(dev,
+ "failed to enable Sense Data Reporting, Emask 0x%x\n",
+ err_mask);
+ }
+}
+
/**
* ata_dev_configure - Configure the specified ATA/ATAPI device
* @dev: Target device to configure
@@ -2370,7 +2388,7 @@
dev->devslp_timing[i] = sata_setting[j];
}
}
-
+ ata_dev_config_sense_reporting(dev);
dev->cdb_len = 16;
}