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cs5520: disable VDMA

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Disable Virtual DMA support for now (it causes system hangs).

Thanks to TAKADA Yoshihito for the help with debugging the problem.

Reported-by: TAKADA Yoshihito <takada@mbf.nifty.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-05-14 23:06:16 +02:00
commit cafa027b8c
2 changed files with 5 additions and 5 deletions
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8
include/linux/ide.h
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@ -1057,8 +1057,8 @@ enum {
IDE_HFLAG_NO_SET_MODE = (1 << 9),
/* trust BIOS for programming chipset/device for DMA */
IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10),
/* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */
IDE_HFLAG_VDMA = (1 << 11),
/* host is CS5510/CS5520 */
IDE_HFLAG_CS5520 = (1 << 11),
/* ATAPI DMA is unsupported */
IDE_HFLAG_NO_ATAPI_DMA = (1 << 12),
/* set if host is a "non-bootable" controller */
@ -1069,8 +1069,6 @@ enum {
IDE_HFLAG_NO_AUTODMA = (1 << 15),
/* host uses MMIO */
IDE_HFLAG_MMIO = (1 << 16),
/* host is CS5510/CS5520 */
IDE_HFLAG_CS5520 = IDE_HFLAG_VDMA,
/* no LBA48 */
IDE_HFLAG_NO_LBA48 = (1 << 17),
/* no LBA48 DMA */
@ -1100,6 +1098,8 @@ enum {
IDE_HFLAG_NO_IO_32BIT = (1 << 30),
/* never unmask IRQs */
IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31),
/* host uses VDMA (disabled for now) */
IDE_HFLAG_VDMA = 0,
};
#ifdef CONFIG_BLK_DEV_OFFBOARD