From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Mon, 27 Sep 2010 18:01:32 +0000 (-0700)
Subject: hpt366: fix clock turnaround
X-Git-Tag: firefly_0821_release~7613^2~1346^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bbe54d78cc59a39f1ef3ffbe70423376ad9aab4c;p=firefly-linux-kernel-4.4.55.git

hpt366: fix clock turnaround

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index c613ae170a84..58c51cddc100 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -838,7 +838,7 @@ static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode)
 
 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);
 }
 
 /**