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-rw-r--r--drivers/ide/pci/cs5520.c2
-rw-r--r--include/linux/ide.h8
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index 17669a434438..992b1cf8db69 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -119,6 +119,7 @@ static const struct ide_dma_ops cs5520_dma_ops = {
.dma_timeout = ide_dma_timeout,
};
+/* FIXME: VDMA is disabled because it caused system hangs */
#define DECLARE_CS_DEV(name_str) \
{ \
.name = name_str, \
@@ -126,7 +127,6 @@ static const struct ide_dma_ops cs5520_dma_ops = {
.dma_ops = &cs5520_dma_ops, \
.host_flags = IDE_HFLAG_ISA_PORTS | \
IDE_HFLAG_CS5520 | \
- IDE_HFLAG_VDMA | \
IDE_HFLAG_NO_ATAPI_DMA | \
IDE_HFLAG_ABUSE_SET_DMA_MODE, \
.pio_mask = ATA_PIO4, \
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 19ec852dffd2..f8f195c20da2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -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