ide: move check_dma_crc() to ide-dma.c

* Move check_dma_crc() to ide-dma.c and add inline version for
  CONFIG_BLK_DEV_IDEDMA=n case.

* Rename check_dma_crc() to ide_check_dma_crc().

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

3 files changed, 23 insertions, 23 deletions

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 7beaf1e9be12..3cf59f2c3928 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -819,6 +819,26 @@ int ide_set_dma(ide_drive_t *drive)
         return 0;
 }
 
+void ide_check_dma_crc(ide_drive_t *drive)
+{
+        u8 mode;
+
+        ide_dma_off_quietly(drive);
+        drive->crc_count = 0;
+        mode = drive->current_speed;
+        /*
+         * Don't try non Ultra-DMA modes without iCRC's.  Force the
+         * device to PIO and make the user enable SWDMA/MWDMA modes.
+         */
+        if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7)
+                mode--;
+        else
+                mode = XFER_PIO_4;
+        ide_set_xfer_rate(drive, mode);
+        if (drive->current_speed >= XFER_SW_DMA_0)
+                ide_dma_on(drive);
+}
+
 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI
 void ide_dma_lost_irq (ide_drive_t *drive)
 {
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index b7da44c9e91c..a95178f5e1bb 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -938,28 +938,6 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive)
         return ide_stopped;
 }
 
-static void check_dma_crc(ide_drive_t *drive)
-{
-#ifdef CONFIG_BLK_DEV_IDEDMA
-        u8 mode;
-
-        ide_dma_off_quietly(drive);
-        drive->crc_count = 0;
-        mode = drive->current_speed;
-        /*
-         * Don't try non Ultra-DMA modes without iCRC's.  Force the
-         * device to PIO and make the user enable SWDMA/MWDMA modes.
-         */
-        if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7)
-                mode--;
-        else
-                mode = XFER_PIO_4;
-        ide_set_xfer_rate(drive, mode);
-        if (drive->current_speed >= XFER_SW_DMA_0)
-                ide_dma_on(drive);
-#endif
-}
-
 static void ide_disk_pre_reset(ide_drive_t *drive)
 {
         int legacy = (drive->id->cfs_enable_2 & 0x0400) ? 0 : 1;
@@ -983,7 +961,7 @@ static void pre_reset(ide_drive_t *drive)
 
         if (drive->using_dma) {
                 if (drive->crc_count)
-                        check_dma_crc(drive);
+                        ide_check_dma_crc(drive);
                 else
                         ide_dma_off(drive);
         }
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 748af8dc0895..367c17084a28 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1155,6 +1155,7 @@ void ide_dma_off_quietly(ide_drive_t *);
 void ide_dma_off(ide_drive_t *);
 void ide_dma_on(ide_drive_t *);
 int ide_set_dma(ide_drive_t *);
+void ide_check_dma_crc(ide_drive_t *);
 ide_startstop_t ide_dma_intr(ide_drive_t *);
 
 int ide_build_sglist(ide_drive_t *, struct request *);
@@ -1182,6 +1183,7 @@ static inline void ide_dma_off(ide_drive_t *drive) { ; }
 static inline void ide_dma_on(ide_drive_t *drive) { ; }
 static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
 static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
+static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
 #endif /* CONFIG_BLK_DEV_IDEDMA */
 
 #ifndef CONFIG_BLK_DEV_IDEDMA_PCI