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ide: move drive->using_dma check to callers of ->dma_host_on method

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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-01-26 20:13:02 +01:00
parent 8ae60e34dd
commit f37aaf9ede
4 changed files with 5 additions and 5 deletions
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2
drivers/ide/ide-dma.c
View File

@ -471,7 +471,7 @@ EXPORT_SYMBOL(ide_dma_off);
void ide_dma_host_on(ide_drive_t *drive)
{
if (drive->using_dma) {
if (1) {
ide_hwif_t *hwif = HWIF(drive);
u8 unit = (drive->select.b.unit & 0x01);
u8 dma_stat = hwif->INB(hwif->dma_status);

3
drivers/ide/ide-iops.c
View File

@ -799,7 +799,8 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
skip:
#ifdef CONFIG_BLK_DEV_IDEDMA
if (speed >= XFER_SW_DMA_0 || (hwif->host_flags & IDE_HFLAG_VDMA))
if ((speed >= XFER_SW_DMA_0 || (hwif->host_flags & IDE_HFLAG_VDMA)) &&
drive->using_dma)
hwif->dma_host_on(drive);
else if (hwif->dma_host_on) /* check if host supports DMA */
ide_dma_off_quietly(drive);

3
drivers/ide/pci/cs5520.c
View File

@ -109,8 +109,7 @@ static void cs5520_set_dma_mode(ide_drive_t *drive, const u8 speed)
static void cs5520_dma_host_on(ide_drive_t *drive)
{
if (drive->using_dma)
drive->vdma = 1;
drive->vdma = 1;
ide_dma_host_on(drive);
}

2
drivers/ide/pci/sc1200.c
View File

@ -221,7 +221,7 @@ static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio)
if (mode != -1) {
printk("SC1200: %s: changing (U)DMA mode\n", drive->name);
ide_dma_off_quietly(drive);
if (ide_set_dma_mode(drive, mode) == 0)
if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma)
hwif->dma_host_on(drive);
return;
}