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, 5 insertions, 7 deletions

diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index f3391a8698ac..1b1286baa8e0 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -544,12 +544,10 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
 
         ide_set_hwifdata(hwif, idev);
 
-        hwif->atapi_dma = 1;
-
         pci_read_config_byte(hwif->pci_dev, 0x50, &conf);
-        if(conf & 1) {
+        if (conf & 1) {
                 idev->smart = 1;
-                hwif->atapi_dma = 0;
+                hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
                 /* Long I/O's although allowed in LBA48 space cause the
                    onboard firmware to enter the twighlight zone */
                 hwif->rqsize = 256;
@@ -570,10 +568,10 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
          */
 
         pci_read_config_byte(hwif->pci_dev, 0x08, &conf);
-        if(conf == 0x10) {
+        if (conf == 0x10) {
                 idev->timing10 = 1;
-                hwif->atapi_dma = 0;
-                if(!idev->smart)
+                hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
+                if (idev->smart == 0)
                         printk(KERN_WARNING "it821x: Revision 0x10, workarounds activated.\n");
         }