linux-kernel - [PATCH RESEND 5/7] scsi/atp870u: use mdelay instead of large udelay

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Message-Id: <1339192416-27026-6-git-send-email-mathieu.poirier@linaro.org>
Date:	Fri,  8 Jun 2012 15:53:34 -0600
From:	mathieu.poirier@...aro.org
To:	linux-scsi@...r.kernel.org
Cc:	JBottomley@...allels.com, linux-kernel@...r.kernel.org,
	arnd@...db.de, mathieu.poirier@...aro.org
Subject: [PATCH RESEND 5/7] scsi/atp870u: use mdelay instead of large udelay

From: Arnd Bergmann <arnd@...db.de>

Some architectures like ARM cannot handle large numbers as
arguments to udelay, so the drivers should use mdelay when
delaying for multiple miliseconds.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
---
 drivers/scsi/atp870u.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 68ce085..86ad079 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -1173,7 +1173,7 @@ wait_io1:
 	outw(val, tmport);
 	outb(2, 0x80);
 TCM_SYNC:
-	udelay(0x800);
+	mdelay(2);
 	if ((inb(tmport) & 0x80) == 0x00) {	/* bsy ? */
 		outw(0, tmport--);
 		outb(0, tmport);
-- 
1.7.5.4

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