ide: add ide_no_data_taskfile() helper

* Add ide_no_data_taskfile() helper and convert ide_raw_taskfile() w/ NO DATA
  protocol users to use it instead.

* Set ->data_phase explicitly in ide_no_data_taskfile()
  (TASKFILE_NO_DATA is defined as 0x0000).

* Unexport task_no_data_intr().

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

1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index a79150e6be07..7cb674f81315 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -229,8 +229,6 @@ ide_startstop_t task_no_data_intr (ide_drive_t *drive)
         return ide_stopped;
 }
 
-EXPORT_SYMBOL(task_no_data_intr);
-
 static u8 wait_drive_not_busy(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = HWIF(drive);
@@ -524,6 +522,16 @@ int ide_raw_taskfile (ide_drive_t *drive, ide_task_t *args, u8 *buf)
 
 EXPORT_SYMBOL(ide_raw_taskfile);
 
+int ide_no_data_taskfile(ide_drive_t *drive, ide_task_t *task)
+{
+        task->command_type = IDE_DRIVE_TASK_NO_DATA;
+        task->data_phase   = TASKFILE_NO_DATA;
+        task->handler      = task_no_data_intr;
+
+        return ide_raw_taskfile(drive, task, NULL);
+}
+EXPORT_SYMBOL_GPL(ide_no_data_taskfile);
+
 #ifdef CONFIG_IDE_TASK_IOCTL
 int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
 {