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i8253: Cleanup outb/inb magic

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Remove the hysterical outb/inb_pit defines and use outb_p/inb_p in the
code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20110609130622.348437125@linutronix.de
This commit is contained in:
Thomas Gleixner 2011-06-09 13:08:30 +00:00
parent 8560a6cfc9
commit 01898e3e29
2 changed files with 3 additions and 6 deletions
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6
arch/x86/kernel/apm_32.c
View File

@ -1220,11 +1220,11 @@ static void reinit_timer(void)
raw_spin_lock_irqsave(&i8253_lock, flags);
/* set the clock to HZ */
outb_pit(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
outb_p(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
udelay(10);
outb_pit(LATCH & 0xff, PIT_CH0); /* LSB */
outb_p(LATCH & 0xff, PIT_CH0); /* LSB */
udelay(10);
outb_pit(LATCH >> 8, PIT_CH0); /* MSB */
outb_p(LATCH >> 8, PIT_CH0); /* MSB */
udelay(10);
raw_spin_unlock_irqrestore(&i8253_lock, flags);
#endif

3
include/linux/i8253.h
View File

@ -20,9 +20,6 @@
#define PIT_LATCH ((PIT_TICK_RATE + HZ/2) / HZ)
#define inb_pit inb_p
#define outb_pit outb_p
extern raw_spinlock_t i8253_lock;
extern struct clock_event_device i8253_clockevent;
extern void clockevent_i8253_init(bool oneshot);