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clocksource: xtensa: Convert to clocksource_register_hz/khz 

This converts the xtensa clocksource to use clocksource_register_hz/khz

This is untested, so any assistance in testing would be appreciated!

CC: Chris Zankel <chris@zankel.net>
CC: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
This commit is contained in:
John Stultz 2010-04-26 20:25:56 -07:00 committed by John Stultz
parent 60d687e7d4
commit a139723bec
1 changed files with 1 additions and 12 deletions
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13
arch/xtensa/kernel/time.c
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@ -41,14 +41,6 @@ static struct clocksource ccount_clocksource = {
.rating = 200,
.read = ccount_read,
.mask = CLOCKSOURCE_MASK(32),
/*
* With a shift of 22 the lower limit of the cpu clock is
* 1MHz, where NSEC_PER_CCOUNT is 1000 or a bit less than
* 2^10: Since we have 32 bits and the multiplicator can
* already take up as much as 10 bits, this leaves us with
* remaining upper 22 bits.
*/
.shift = 22,
};
static irqreturn_t timer_interrupt(int irq, void *dev_id);
@ -66,10 +58,7 @@ void __init time_init(void)
printk("%d.%02d MHz\n", (int)ccount_per_jiffy/(1000000/HZ),
(int)(ccount_per_jiffy/(10000/HZ))%100);
#endif
ccount_clocksource.mult =
clocksource_hz2mult(CCOUNT_PER_JIFFY * HZ,
ccount_clocksource.shift);
clocksource_register(&ccount_clocksource);
clocksource_register_hz(&ccount_clocksource, CCOUNT_PER_JIFFY * HZ);
/* Initialize the linux timer interrupt. */