Andrew Hall wrote:
..
Signed-off-by: Mark Lord <mlord@xxxxxxxxx>
---
--- linux/drivers/ata/ata_piix.c.orig 2007-06-10 18:58:27.000000000
-0400
+++ linux/drivers/ata/ata_piix.c 2007-06-28 21:09:04.000000000 -0400
@@ -537,7 +537,7 @@
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
- .mwdma_mask = 0x07, /* mwdma0-2 */
+ .mwdma_mask = 0x00, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 */
.port_ops = &piix_sata_ops,
},
That worked a treat! CF is flagged as PIO4 and HDD is now UDMA. I can't tell
you how grateful I am that you were able to point out the fix / modification
but I can certainly now sleep a bit easier.
Furthermore, if there is anything else I can do or would like me to test
while we have this type of hardware, please let me know.
Thanks again, Mark..
You can certainly also thank Tejun and Jeff,
for making libata so easy to tune with a one-liner liner like this!
Per my other email -- did you try the legacy IDE driver
instead of libata? Can you provide a boot log from that for Tejun?
Cheers!
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