libata: detect Device Attention support
Add a new flag ATA_DFLAG_DA to indicate that device supports "Device
Attention".
Acked-by: Aaron Lu <aaron.lu@amd.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 7705191..c14f88c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2374,6 +2374,9 @@
dma_dir_string = ", DMADIR";
}
+ if (ata_id_has_da(dev->id))
+ dev->flags |= ATA_DFLAG_DA;
+
/* print device info to dmesg */
if (ata_msg_drv(ap) && print_info)
ata_dev_info(dev,