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-rw-r--r--include/linux/ata.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index a26ebd25bac..be00973d1a8 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -88,6 +88,7 @@ enum {
ATA_ID_DLF = 128,
ATA_ID_CSFO = 129,
ATA_ID_CFA_POWER = 160,
+ ATA_ID_ROT_SPEED = 217,
ATA_ID_PIO4 = (1 << 1),
ATA_ID_SERNO_LEN = 20,
@@ -700,6 +701,11 @@ static inline int ata_id_is_cfa(const u16 *id)
return 0;
}
+static inline int ata_id_is_ssd(const u16 *id)
+{
+ return id[ATA_ID_ROT_SPEED] == 0x01;
+}
+
static inline int ata_drive_40wire(const u16 *dev_id)
{
if (ata_id_is_sata(dev_id))