On Friday 09 May 2008, TAKADA Yoshihito wrote:
> Thanks for quick reply.
>
> I tried 2.6.26rc1. It hangs same as 2.6.25.
> kernel 2.6.26rc1 with cs5520 cannot boot. cs5520 scans ide0 and ide1.
> It seems 2nd port DMA base issue was solved.
[...]
Thanks.
The following patch for 2.6.26-rc1 disables VDMA, please give it a try
(I haven't time to fully audit VDMA support yet but lets see if it is
the main source of the problems).
---
drivers/ide/pci/cs5520.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: b/drivers/ide/pci/cs5520.c
===================================================================
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -119,6 +119,7 @@ static const struct ide_dma_ops cs5520_d
.dma_timeout = ide_dma_timeout,
};
+/* FIXME: VDMA is disabled because it caused problems */
#define DECLARE_CS_DEV(name_str) \
{ \
.name = name_str, \
@@ -126,7 +127,6 @@ static const struct ide_dma_ops cs5520_d
.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, \
--
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