[PATCH v2 05/21] atm: he: use msleep instead of large udelay constants

Arnd Bergmann
2013-04-29T13:13:50Z

>From a0ddf082821b064cc2d6a9bb90861f9b81a559a5 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 14 Mar 2013 15:21:36 +0100
Subject: [PATCH] atm: he: use mdelay instead of large udelay constants

ARM cannot handle udelay for more than 2 miliseconds, and
it is rather bad style to block the cpu for 16ms anyway,
so let's use msleep instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Chas Williams <chas@cmf.nrl.navy.mil>
Cc: linux-atm-general@lists.sourceforge.net
Cc: netdev@vger.kernel.org
---
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index d689126..507362a 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1055,7 +1055,7 @@ static int he_start(struct atm_dev *dev)
he_writel(he_dev, 0x0, RESET_CNTL);
he_writel(he_dev, 0xff, RESET_CNTL);

- udelay(16*1000); /* 16 ms */
+ msleep(16); /* 16 ms */
status = he_readl(he_dev, RESET_CNTL);
if ((status & BOARD_RST_STATUS) == 0) {
hprintk("reset failed\n");