From a1510210c45c9af5784d64596c7025997e1add7d Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 12 Nov 2005 17:45:45 +0000 Subject: [PATCH] [ARM] Ensure sl82c105 IDE interfaces are serialized when using DMA We don't want to reset the DMA state machine while the other channel is in use. Signed-off-by: Russell King --- drivers/ide/pci/sl82c105.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 6466db5f01..8a5c7b286b 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -465,6 +465,9 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif) hwif->autodma = 1; hwif->drives[0].autodma = hwif->autodma; hwif->drives[1].autodma = hwif->autodma; + + if (hwif->mate) + hwif->serialized = hwif->mate->serialized = 1; #endif /* CONFIG_BLK_DEV_IDEDMA */ } hwif->OUTB(dma_state, hwif->dma_base + 2); -- 2.39.5