libata: add SATA PMP revision information for spec 1.2

This small patch is just adding the information for PMP spec 1.2

Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 619f2c33950e..51f0ffb78cbd 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -221,6 +221,8 @@ static const char *sata_pmp_spec_rev_str(const u32 *gscr)
 {
         u32 rev = gscr[SATA_PMP_GSCR_REV];
 
+        if (rev & (1 << 3))
+                return "1.2";
         if (rev & (1 << 2))
                 return "1.1";
         if (rev & (1 << 1))