From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 14 Mar 2013 14:21:36 +0000 (+0100)
Subject: SCSI: nsp32: use mdelay instead of large udelay constants
X-Git-Tag: v3.10.7~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c7cf2a7505ba6859fa2f5a2055dee3d98b5b3e41;p=platform%2Fkernel%2Flinux-stable.git

SCSI: nsp32: use mdelay instead of large udelay constants

commit b497ceb964a80ebada3b9b3cea4261409039e25a upstream.

ARM cannot handle udelay for more than 2 miliseconds, so we
should use mdelay instead for those.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: GOTO Masanori <gotom@debian.or.jp>
Cc: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index 1e3879d..0665f9c 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -2899,7 +2899,7 @@ static void nsp32_do_bus_reset(nsp32_hw_data *data)
 	 * reset SCSI bus
 	 */
 	nsp32_write1(base, SCSI_BUS_CONTROL, BUSCTL_RST);
-	udelay(RESET_HOLD_TIME);
+	mdelay(RESET_HOLD_TIME / 1000);
 	nsp32_write1(base, SCSI_BUS_CONTROL, 0);
 	for(i = 0; i < 5; i++) {
 		intrdat = nsp32_read2(base, IRQ_STATUS); /* dummy read */