1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 304825b1c977..5c4e54a2a8d6 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -537,6 +537,15 @@ static inline int ata_drive_40wire(const u16 *dev_id)
         return 1;
 }
 
+static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
+{
+        if (ata_id_is_sata(dev_id))
+                return 0;       /* SATA */
+        if ((dev_id[93] & 0x2000) == 0x2000)
+                return 0;       /* 80 wire */
+        return 1;
+}
+
 static inline int atapi_cdb_len(const u16 *dev_id)
 {
         u16 tmp = dev_id[0] & 0x3;