opti621: remove DMA support

commit f361037631ba547ea88adf8d2359d810c1b2605a upstream

These controllers don't support DMA.

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

Tested-by: Juergen Kosel <juergen.kosel@gmx.de>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 17f6c1e1718bc7a990e8c21c84d0474c70dc4e00..3eecbd487bf1574caec20d4124404c3405e4fe2a 100644 (file)
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -324,20 +324,16 @@ static const struct ide_port_info opti621_chipsets[] __devinitdata = {
                .name           = "OPTI621",
                .init_hwif      = init_hwif_opti621,
                .enablebits     = {{0x45,0x80,0x00}, {0x40,0x08,0x00}},
-               .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
+               .host_flags     = IDE_HFLAG_NO_DMA |
                                  IDE_HFLAG_BOOTABLE,
                .pio_mask       = ATA_PIO3,
-               .swdma_mask     = ATA_SWDMA2,
-               .mwdma_mask     = ATA_MWDMA2,
        },{     /* 1 */
                .name           = "OPTI621X",
                .init_hwif      = init_hwif_opti621,
                .enablebits     = {{0x45,0x80,0x00}, {0x40,0x08,0x00}},
-               .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
+               .host_flags     = IDE_HFLAG_NO_DMA |
                                  IDE_HFLAG_BOOTABLE,
                .pio_mask       = ATA_PIO3,
-               .swdma_mask     = ATA_SWDMA2,
-               .mwdma_mask     = ATA_MWDMA2,
        }
 };