* [PATCH 2/2] hpt366: fix clock turnaround
@ 2010-09-27 14:09 Sergei Shtylyov
2010-09-27 18:01 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Sergei Shtylyov @ 2010-09-27 14:09 UTC (permalink / raw)
To: davem; +Cc: linux-ide, stable, alan
DPLL clock (0x21) should be used for writes and PCI clock (0x23) for reads,
not vice versa.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable@kernel.org
---
The patch is atop of ide-2.6.git tree.
Not sure why I didn't fix this back in 2007... well, nobody has ever
complained. :-)
drivers/ide/hpt366.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: ide-2.6/drivers/ide/hpt366.c
===================================================================
--- ide-2.6.orig/drivers/ide/hpt366.c
+++ ide-2.6/drivers/ide/hpt366.c
@@ -838,7 +838,7 @@ static void hpt3xxn_set_clock(ide_hwif_t
static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq)
{
- hpt3xxn_set_clock(drive->hwif, rq_data_dir(rq) ? 0x23 : 0x21);
+ hpt3xxn_set_clock(drive->hwif, rq_data_dir(rq) ? 0x21 : 0x23);
}
/**
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