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, 8 insertions, 4 deletions

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index bc57ce6bf0b3..80b4f17f3941 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -338,8 +338,10 @@ static int config_drive_for_dma (ide_drive_t *drive)
         ide_hwif_t *hwif = drive->hwif;
         struct hd_driveid *id = drive->id;
 
-        if (drive->media != ide_disk && hwif->atapi_dma == 0)
-                return 0;
+        if (drive->media != ide_disk) {
+                if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
+                        return -1;
+        }
 
         /*
          * Enable DMA on any drive that has
@@ -726,8 +728,10 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode)
         int x, i;
         u8 mode = 0;
 
-        if (drive->media != ide_disk && hwif->atapi_dma == 0)
-                return 0;
+        if (drive->media != ide_disk) {
+                if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
+                        return 0;
+        }
 
         for (i = 0; i < ARRAY_SIZE(xfer_mode_bases); i++) {
                 if (req_mode < xfer_mode_bases[i])