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>
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 748af8d..367c170 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1155,6 +1155,7 @@
 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_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