1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 8d7c1a09e1e7..788783da9025 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1642,3 +1642,18 @@ void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount, u8 dma)
 }
 
 EXPORT_SYMBOL_GPL(ide_pktcmd_tf_load);
+
+void ide_pad_transfer(ide_drive_t *drive, int write, int len)
+{
+        ide_hwif_t *hwif = drive->hwif;
+        u8 buf[4] = { 0 };
+
+        while (len > 0) {
+                if (write)
+                        hwif->output_data(drive, NULL, buf, min(4, len));
+                else
+                        hwif->input_data(drive, NULL, buf, min(4, len));
+                len -= 4;
+        }
+}
+EXPORT_SYMBOL_GPL(ide_pad_transfer);