• Bartlomiej Zolnierkiewicz's avatar
    ide: remove ->ide_dma_check (take 2) · 0ae2e178
    Bartlomiej Zolnierkiewicz authored
    * Add IDE_HFLAG_TRUST_BIOS_FOR_DMA host flag for host drivers that depend
      on BIOS for programming device/controller for DMA.  Set it in cy82c693,
      generic, ns87415, opti621 and trm290 host drivers.
    * Add IDE_HFLAG_VDMA host flag for host drivers using VDMA.  Set it in cs5520
      host driver.
    * Teach ide_tune_dma() about IDE_HFLAG_TRUST_BIOS_FOR_DMA flag.
    * Add generic ide_dma_check() helper and remove all open coded ->ide_dma_check
      implementations.  Fix all places checking for presence of ->ide_dma_check
      hook to check for ->ide_dma_on instead.
    * Remove no longer needed code from config_drive_for_dma().
    * Make ide_tune_dma() static.
    * Fix config_drive_for_dma() return values.
    * Fix ide-dma.c build for CONFIG_BLK_DEV_IDEDMA_PCI=n by adding
      dummy config_drive_for_dma() inline.
    * Fix IDE_HFLAG_TRUST_BIOS_FOR_DMA handling in ide_dma_check().
    * Fix init_hwif_it8213() comment.
    There should be no functionality changes caused by this patch.
    Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
    Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>