ATAPI devices with broken DMA support should be handled by DMA blacklist
and for debugging purposes we have new shiny "hdx=nodma" kernel paremeter.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
bool
select BLK_DEV_IDEPCI
-# TODO: remove it
-config IDEDMA_ONLYDISK
- bool "Enable DMA only for disks "
- depends on BLK_DEV_IDEDMA_PCI
- help
- This is used if you know your ATAPI Devices are going to fail DMA
- Transfers.
-
- Generally say N here.
-
config BLK_DEV_AEC62XX
tristate "AEC62XX chipset support"
select BLK_DEV_IDEDMA_PCI
* PARANOIA!!!
*/
hwif->dma_off_quietly(drive);
-#ifdef CONFIG_IDEDMA_ONLYDISK
- if (drive->media == ide_disk)
-#endif
- ide_set_dma(drive);
+ ide_set_dma(drive);
}
}
}