ide: add IDE_HFLAG_NO_ATAPI_DMA host flag

Add IDE_HFLAG_NO_ATAPI_DMA host flag and set it in host drivers which
don't support ATAPI DMA.  Then remove no longer needed hwif->atapi_dma.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 69dbe7dc04be..e44ecc942ff8 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -685,7 +685,6 @@ typedef struct hwif_s {
 
         u8 pio_mask;
 
-        u8 atapi_dma;   /* host supports atapi_dma */
         u8 ultra_mask;
         u8 mwdma_mask;
         u8 swdma_mask;
@@ -1258,6 +1257,8 @@ enum {
         IDE_HFLAG_TRUST_BIOS_FOR_DMA    = (1 << 10),
         /* host uses VDMA */
         IDE_HFLAG_VDMA                  = (1 << 11),
+        /* ATAPI DMA is unsupported */
+        IDE_HFLAG_NO_ATAPI_DMA          = (1 << 12),
 };
 
 typedef struct ide_pci_device_s {