diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/ide-dma.c | 20 | ||||
| -rw-r--r-- | drivers/ide/ide-iops.c | 24 |
2 files changed, 21 insertions, 23 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 7beaf1e9be1..3cf59f2c392 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -819,6 +819,26 @@ int ide_set_dma(ide_drive_t *drive) return 0; } +void ide_check_dma_crc(ide_drive_t *drive) +{ + u8 mode; + + ide_dma_off_quietly(drive); + drive->crc_count = 0; + mode = drive->current_speed; + /* + * Don't try non Ultra-DMA modes without iCRC's. Force the + * device to PIO and make the user enable SWDMA/MWDMA modes. + */ + if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7) + mode--; + else + mode = XFER_PIO_4; + ide_set_xfer_rate(drive, mode); + if (drive->current_speed >= XFER_SW_DMA_0) + ide_dma_on(drive); +} + #ifdef CONFIG_BLK_DEV_IDEDMA_PCI void ide_dma_lost_irq (ide_drive_t *drive) { diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index b7da44c9e91..a95178f5e1b 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -938,28 +938,6 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) return ide_stopped; } -static void check_dma_crc(ide_drive_t *drive) -{ -#ifdef CONFIG_BLK_DEV_IDEDMA - u8 mode; - - ide_dma_off_quietly(drive); - drive->crc_count = 0; - mode = drive->current_speed; - /* - * Don't try non Ultra-DMA modes without iCRC's. Force the - * device to PIO and make the user enable SWDMA/MWDMA modes. - */ - if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7) - mode--; - else - mode = XFER_PIO_4; - ide_set_xfer_rate(drive, mode); - if (drive->current_speed >= XFER_SW_DMA_0) - ide_dma_on(drive); -#endif -} - static void ide_disk_pre_reset(ide_drive_t *drive) { int legacy = (drive->id->cfs_enable_2 & 0x0400) ? 0 : 1; @@ -983,7 +961,7 @@ static void pre_reset(ide_drive_t *drive) if (drive->using_dma) { if (drive->crc_count) - check_dma_crc(drive); + ide_check_dma_crc(drive); else ide_dma_off(drive); } |