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-rw-r--r--drivers/ata/libata-core.c3
-rw-r--r--include/linux/ata.h1
-rw-r--r--include/linux/libata.h2
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 7705191b5a81..c14f88c1f1da 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2374,6 +2374,9 @@ int ata_dev_configure(struct ata_device *dev)
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,
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 32df2b6ef0e0..5713d3ac381a 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -578,6 +578,7 @@ static inline int ata_is_data(u8 prot)
((u64) (id)[(n) + 0]) )
#define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20)
+#define ata_id_has_da(id) ((id)[77] & (1 << 4))
static inline bool ata_id_has_hipm(const u16 *id)
{
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 888feef3cda4..cc22b943db83 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -161,6 +161,8 @@ enum {
ATA_DFLAG_DETACH = (1 << 24),
ATA_DFLAG_DETACHED = (1 << 25),
+ ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */
+
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
ATA_DEV_ATA_UNSUP = 2, /* ATA device (unsupported) */