opti621: remove DMA support

These controllers don't support DMA.

Based on a bugreport from Juergen Kosel & inspired by pata_opti.c code.

Tested-by: Juergen Kosel <[email protected]>
Acked-by: Sergei Shtylyov <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>

diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index e31e0f970a2cfdd4a7c3d07cd6ce1a748c06df4b..65f180738947772439eca77aef7d27dd21ae49c2 100644 (file)
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -324,18 +324,14 @@ static const struct ide_port_info opti621_chipsets[] __devinitdata = {
                .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,
        }
 };