From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 30 Jan 2008 12:31:24 +0000 (+0100)
Subject: x86: replace outb_p() with udelay(2) in drivers/input/mouse/pc110pad.c
X-Git-Tag: v2.6.25-rc1~1143^2~559
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=41e191e85a122ad822deb7525a015410012e6c70;p=platform%2Fkernel%2Flinux-3.10.git

x86: replace outb_p() with udelay(2) in drivers/input/mouse/pc110pad.c

replace outb_p() with udelay(2). This is a real ISA device so it likely
needs this particular delay.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c
index 8991ab0..61cff83 100644
--- a/drivers/input/mouse/pc110pad.c
+++ b/drivers/input/mouse/pc110pad.c
@@ -39,6 +39,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -62,8 +63,10 @@ static irqreturn_t pc110pad_interrupt(int irq, void *ptr)
 	int value     = inb_p(pc110pad_io);
 	int handshake = inb_p(pc110pad_io + 2);
 
-	outb_p(handshake |  1, pc110pad_io + 2);
-	outb_p(handshake & ~1, pc110pad_io + 2);
+	outb(handshake |  1, pc110pad_io + 2);
+	udelay(2);
+	outb(handshake & ~1, pc110pad_io + 2);
+	udelay(2);
 	inb_p(0x64);
 
 	pc110pad_data[pc110pad_count++] = value;