ide: add ->read_altstatus method

* Remove ide_read_altstatus() inline helper.

* Add ->read_altstatus method for reading ATA Alternate Status
  register and use it instead of ->INB.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 1 insertions, 7 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index a23ae25d7da8..e5fa5e868d67 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -491,6 +491,7 @@ typedef struct hwif_s {
 
         void    (*exec_command)(struct hwif_s *, u8);
         u8      (*read_status)(struct hwif_s *);
+        u8      (*read_altstatus)(struct hwif_s *);
         u8      (*read_sff_dma_status)(struct hwif_s *);
 
         void (*tf_load)(ide_drive_t *, struct ide_task_s *);
@@ -1363,13 +1364,6 @@ static inline void ide_set_irq(ide_drive_t *drive, int on)
                        hwif->io_ports.ctl_addr);
 }
 
-static inline u8 ide_read_altstatus(ide_drive_t *drive)
-{
-        ide_hwif_t *hwif = drive->hwif;
-
-        return hwif->INB(hwif->io_ports.ctl_addr);
-}
-
 static inline u8 ide_read_error(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;