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Commit 41e191e8 authored by Ingo Molnar's avatar Ingo Molnar
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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: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent ded9aa0d

drivers/input/mouse/pc110pad.c

+5 −2
Original line number Diff line number Diff line
@@ -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;