ide: call {in|out}put_data() methods from tf_{read|load}() methods (take 2)

Handle IDE_FTFLAG_{IN|OUT}_DATA flags in tf_{read|load}() methods by calling
{in|out}put_data() methods to transfer 2 bytes -- this will allow us to move
that handling out of those methods altogether...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index f1e9da71110c..c350d0c7ba4a 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -458,10 +458,9 @@ static void tx4939ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
                 HIHI = 0xFF;
 
         if (cmd->ftf_flags & IDE_FTFLAG_OUT_DATA) {
-                u16 data = (tf->hob_data << 8) | tf->data;
+                u8 data[2] = { tf->data, tf->hob_data };
 
-                /* no endian swap */
-                __raw_writew(data, (void __iomem *)io_ports->data_addr);
+                hwif->tp_ops->output_data(drive, cmd, data, 2);
         }
 
         if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
@@ -500,12 +499,12 @@ static void tx4939ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
         struct ide_taskfile *tf = &cmd->tf;
 
         if (cmd->ftf_flags & IDE_FTFLAG_IN_DATA) {
-                u16 data;
+                u8 data[2];
 
-                /* no endian swap */
-                data = __raw_readw((void __iomem *)io_ports->data_addr);
-                tf->data = data & 0xff;
-                tf->hob_data = (data >> 8) & 0xff;
+                hwif->tp_ops->input_data(drive, cmd, data, 2);
+
+                tf->data = data[0];
+                tf->hob_data = data[1];
         }
 
         /* be sure we're looking at the low order bits */