i8253.c (a61944c251c3e68c4bbf6eb96ff61c7b286351c5) i8253.c (334955ef964bee9d3b1e20966847eee28cfd05f6)
1/*
2 * i8253 PIT clocksource
3 */
4#include <linux/clocksource.h>
5#include <linux/init.h>
6#include <linux/io.h>
7#include <linux/spinlock.h>
8#include <linux/timex.h>
9
1/*
2 * i8253 PIT clocksource
3 */
4#include <linux/clocksource.h>
5#include <linux/init.h>
6#include <linux/io.h>
7#include <linux/spinlock.h>
8#include <linux/timex.h>
9
10#include <asm/i8253.h>
10#include <linux/i8253.h>
11
12/*
13 * Since the PIT overflows every tick, its not very useful
14 * to just read by itself. So use jiffies to emulate a free
15 * running counter:
16 */
17static cycle_t i8253_read(struct clocksource *cs)
18{

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12/*
13 * Since the PIT overflows every tick, its not very useful
14 * to just read by itself. So use jiffies to emulate a free
15 * running counter:
16 */
17static cycle_t i8253_read(struct clocksource *cs)
18{

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