From 0ae2e178652753ae1797d407755a3505f7c1d2a7 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 16 Oct 2007 22:29:55 +0200 Subject: ide: remove ->ide_dma_check (take 2) * 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. v2: * 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 Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/siimage.c | 22 ---------------------- 1 file changed, 22 deletions(-) (limited to 'drivers/ide/pci/siimage.c') diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 8be36f3b69a8..9e03bc7c8665 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -311,26 +311,6 @@ static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed) } } -/** - * siimage_configure_drive_for_dma - set up for DMA transfers - * @drive: drive we are going to set up - * - * Set up the drive for DMA, tune the controller and drive as - * required. If the drive isn't suitable for DMA or we hit - * other problems then we will drop down to PIO and set up - * PIO appropriately - */ - -static int siimage_config_drive_for_dma (ide_drive_t *drive) -{ - if (ide_tune_dma(drive)) - return 0; - - ide_set_max_pio(drive); - - return -1; -} - /* returns 1 if dma irq issued, 0 otherwise */ static int siimage_io_ide_dma_test_irq (ide_drive_t *drive) { @@ -924,8 +904,6 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif) if (!is_sata(hwif)) hwif->atapi_dma = 1; - hwif->ide_dma_check = &siimage_config_drive_for_dma; - if (hwif->cbl != ATA_CBL_PATA40_SHORT) hwif->cbl = ata66_siimage(hwif); -- cgit v1.2.3