---

yaml --- r: 311468 b: refs/heads/master c: b1354cb h: refs/heads/master v: v3
git-mirror · Jun 29, 2012 · 4de1a38 · 4de1a38
1 parent 16505a8
commit 4de1a38
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Showing 4 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a606dac368eed5696fb38e16b1394f1d049c09e9
+refs/heads/master: b1354cbb5bfce28f2e1ed28d77b362dfdfca638d
diff --git a/trunk/drivers/ata/libata-core.c b/trunk/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/trunk/include/linux/ata.h b/trunk/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/trunk/include/linux/libata.h b/trunk/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) */