1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 18e401ff7eaf..272736e37990 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -352,7 +352,7 @@ static inline int ata_drive_40wire(const u16 *dev_id)
 {
         if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id))
                 return 0;       /* SATA */
-        if (dev_id[93] & 0x4000)
+        if ((dev_id[93] & 0xE000) == 0x6000)
                 return 0;       /* 80 wire */
         return 1;
 }