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Subject[patch 04/15] opti621: remove DMA support
2.6.25-stable review patch.  If anyone has any objections, please let us
know.

------------------
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

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>

---
drivers/ide/pci/opti621.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -324,20 +324,16 @@ static const struct ide_port_info opti62
.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,
}
};

--


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