ide: add IDE_HFLAG_NO_LBA48 and IDE_HFLAG_NO_LBA48_DMA host flags

Add IDE_HFLAG_NO_LBA48[_DMA] host flags, use it instead of hwif->no_lba48[_dma]
and then remove no longer needed hwif->no_lba48[_dma].  As a side-effect
this change fixes hwif->no_lba48_dma not being restored by ide_hwif_restore().

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 92177ca48b4d..2722d9165b6b 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -169,7 +169,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
 
         nsectors.all            = (u16) rq->nr_sectors;
 
-        if (hwif->no_lba48_dma && lba48 && dma) {
+        if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && lba48 && dma) {
                 if (block + rq->nr_sectors > 1ULL << 28)
                         dma = 0;
                 else
@@ -856,7 +856,7 @@ static int set_lba_addressing(ide_drive_t *drive, int arg)
 
         drive->addressing =  0;
 
-        if (HWIF(drive)->no_lba48)
+        if (drive->hwif->host_flags & IDE_HFLAG_NO_LBA48)
                 return 0;
 
         if (!idedisk_supports_lba48(drive->id))
@@ -889,6 +889,7 @@ static inline void idedisk_add_settings(ide_drive_t *drive) { ; }
 
 static void idedisk_setup (ide_drive_t *drive)
 {
+        ide_hwif_t *hwif = drive->hwif;
         struct hd_driveid *id = drive->id;
         unsigned long long capacity;
 
@@ -909,7 +910,6 @@ static void idedisk_setup (ide_drive_t *drive)
         (void)set_lba_addressing(drive, 1);
 
         if (drive->addressing == 1) {
-                ide_hwif_t *hwif = HWIF(drive);
                 int max_s = 2048;
 
                 if (max_s > hwif->rqsize)
@@ -932,7 +932,7 @@ static void idedisk_setup (ide_drive_t *drive)
                 drive->capacity64 = 1ULL << 28;
         }
 
-        if (drive->hwif->no_lba48_dma && drive->addressing) {
+        if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && drive->addressing) {
                 if (drive->capacity64 > 1ULL << 28) {
                         printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode will"
                                          " be used for accessing sectors > %u\n",