From 6d36b95fe2cc5655e96da42eaf19f1aa341c6856 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 26 Apr 2008 22:25:21 +0200 Subject: [PATCH] alim15x3: skip DMA initialization completely on revs < 0x20 Skip DMA initialization completely on revs < 0x20 by setting IDE_HFLAG_NO_DMA host flag and resetting DMA host masks in alim15x3_init_one() (currently ide_hwif_setup_dma() will try to obtain DMA base and setup PCI bus-mastering but init_dma_ali15x3() will fail). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/alim15x3.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index ec9fba8..fcd0222 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -732,8 +732,6 @@ static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif) static void __devinit init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase) { - if (m5229_revision < 0x20) - return; if (!hwif->channel) outb(inb(dmabase + 2) & 0x60, dmabase + 2); ide_setup_dma(hwif, dmabase); @@ -794,6 +792,10 @@ static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_dev d.udma_mask = ATA_UDMA5; else d.udma_mask = ATA_UDMA6; + } else { + d.host_flags |= IDE_HFLAG_NO_DMA; + + d.mwdma_mask = d.swdma_mask = 0; } if (idx == 0) -- 2.7.4