ide: add ide_atapi_{discard_data,write_zeros} inline helpers

Add ide_atapi_{discard_data,write_zeros} inline helpers to <linux/ide.h>
and use them instead of home-brewn helpers in ide-{floppy,tape,scsi}.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 3 insertions, 21 deletions

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 973f5f6c815..170c60d93f5 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -230,23 +230,6 @@ static void ide_floppy_put(struct ide_floppy_obj *floppy)
 }
 
 /*
- * Too bad. The drive wants to send us data which we are not ready to accept.
- * Just throw it away.
- */
-static void idefloppy_discard_data(ide_drive_t *drive, unsigned int bcount)
-{
-        while (bcount--)
-                (void) HWIF(drive)->INB(IDE_DATA_REG);
-}
-
-static void idefloppy_write_zeros(ide_drive_t *drive, unsigned int bcount)
-{
-        while (bcount--)
-                HWIF(drive)->OUTB(0, IDE_DATA_REG);
-}
-
-
-/*
  * Used to finish servicing a request. For read/write requests, we will call
  * ide_end_request to pass to the next buffer.
  */
@@ -313,10 +296,9 @@ static void ide_floppy_io_buffers(ide_drive_t *drive, idefloppy_pc_t *pc,
                 printk(KERN_ERR "%s: leftover data in %s, bcount == %d\n",
                                 drive->name, __func__, bcount);
                 if (direction)
-                        idefloppy_write_zeros(drive, bcount);
+                        ide_atapi_write_zeros(drive, bcount);
                 else
-                        idefloppy_discard_data(drive, bcount);
-
+                        ide_atapi_discard_data(drive, bcount);
         }
 }
 
@@ -541,7 +523,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
                                 printk(KERN_ERR "ide-floppy: The floppy wants "
                                         "to send us more data than expected "
                                         "- discarding data\n");
-                                idefloppy_discard_data(drive, bcount);
+                                ide_atapi_discard_data(drive, bcount);
 
                                 ide_set_handler(drive,
                                                 &idefloppy_pc_intr,