[PATCH 2/6] opti621: remove DMA support
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: 2008-06-11 20:27:34
Also in:
linux-ide
These controllers don't support DMA. Based on a bugreport from Juergen Kosel & inspired by pata_opti.c code. Tested-by: Juergen Kosel <redacted> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ide/pci/opti621.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) Index: b/drivers/ide/pci/opti621.c ===================================================================
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c@@ -324,18 +324,14 @@ static const struct ide_port_info opti62 .name = "OPTI621", .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, .port_ops = &opti621_port_ops, - .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, + .host_flags = IDE_HFLAG_NO_DMA, .pio_mask = ATA_PIO3, - .swdma_mask = ATA_SWDMA2, - .mwdma_mask = ATA_MWDMA2, }, { /* 1 */ .name = "OPTI621X", .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, .port_ops = &opti621_port_ops, - .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, + .host_flags = IDE_HFLAG_NO_DMA, .pio_mask = ATA_PIO3, - .swdma_mask = ATA_SWDMA2, - .mwdma_mask = ATA_MWDMA2, } };