1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 8162257b474f..921cf0fc337f 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -558,6 +558,15 @@ static inline int ata_id_has_flush(const u16 *id)
         return id[ATA_ID_COMMAND_SET_2] & (1 << 12);
 }
 
+static inline int ata_id_flush_enabled(const u16 *id)
+{
+        if (ata_id_has_flush(id) == 0)
+                return 0;
+        if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
+                return 0;
+        return id[ATA_ID_CFS_ENABLE_2] & (1 << 12);
+}
+
 static inline int ata_id_has_flush_ext(const u16 *id)
 {
         if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)