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SubjectRe: problem with pata_hpt37x ...
On Tue, 2 Jan 2007 08:01:45 +0100
Herbert Poetzl <herbert@13thfloor.at> wrote:

> if you are interested in investigating this, please
> let me know what kind of data you would like to see
> and/or what kind of tests would be appreciated.

I reviewed the 374 code a bit further to see what might be causing this
and found the slave channel end of DMA handling was using the wrong port
I think.

Signed-off-by: Alan Cox <alan@redhat.com>

--- linux.vanilla-2.6.20-rc3/drivers/ata/pata_hpt37x.c 2007-01-01 21:43:27.000000000 +0000
+++ linux-2.6.20-rc3/drivers/ata/pata_hpt37x.c 2007-01-02 14:30:18.122801920 +0000
@@ -25,7 +25,7 @@
#include <linux/libata.h>

#define DRV_NAME "pata_hpt37x"
-#define DRV_VERSION "0.5.1"
+#define DRV_VERSION "0.5.2"

struct hpt_clock {
u8 xfer_speed;
@@ -749,7 +749,7 @@
{
struct ata_port *ap = qc->ap;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- int mscreg = 0x50 + 2 * ap->port_no;
+ int mscreg = 0x50 + 4 * ap->port_no;
u8 bwsr_stat, msc_stat;

pci_read_config_byte(pdev, 0x6A, &bwsr_stat);

-
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