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| author |   Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:24 +0100 |
| commit | 41e191e85a122ad822deb7525a015410012e6c70 (patch) | |
| tree | 242e5b4a24ffcc7f6b3cb63b96c2a397113af1dd /drivers/input | |
| parent | x86: also define AT_VECTOR_SIZE_ARCH (diff) | |
| download | linux-dev-41e191e85a122ad822deb7525a015410012e6c70.tar.xz linux-dev-41e191e85a122ad822deb7525a015410012e6c70.zip | |
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>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/pc110pad.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c index 8991ab0b4fe3..61cff8374e6c 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; |