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CRISv32: use MMIO clocksource

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Use a generic MMIO clocksource and get rid of some lines of code.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jespern@axis.com>
This commit is contained in:
Rabin Vincent 2015-03-09 18:48:25 +01:00 committed by Jesper Nilsson
parent ed9fd3ff02
commit edfb6d5f1a
2 changed files with 5 additions and 21 deletions
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1
arch/cris/Kconfig
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@ -55,6 +55,7 @@ config CRIS
select IRQ_DOMAIN if ETRAX_ARCH_V32
select OF if ETRAX_ARCH_V32
select OF_EARLY_FLATTREE if ETRAX_ARCH_V32
select CLKSRC_MMIO if ETRAX_ARCH_V32
select GENERIC_CLOCKEVENTS if ETRAX_ARCH_V32
config HZ

25
arch/cris/arch-v32/kernel/time.c
View File

@ -39,27 +39,6 @@
#define CRISV32_TIMER_FREQ (100000000lu)
/* Register the continuos readonly timer available in FS and ARTPEC-3. */
static cycle_t read_cont_rotime(struct clocksource *cs)
{
return (u32)REG_RD(timer, regi_timer0, r_time);
}
static struct clocksource cont_rotime = {
.name = "crisv32_rotime",
.rating = 300,
.read = read_cont_rotime,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static int __init etrax_init_cont_rotime(void)
{
clocksource_register_khz(&cont_rotime, 100000);
return 0;
}
arch_initcall(etrax_init_cont_rotime);
unsigned long timer_regs[NR_CPUS] =
{
regi_timer0,
@ -296,6 +275,10 @@ void __init time_init(void)
crisv32_timer_init();
clocksource_mmio_init(timer_base + REG_RD_ADDR_timer_r_time,
"crisv32-timer", CRISV32_TIMER_FREQ,
300, 32, clocksource_mmio_readl_up);
crisv32_clockevent.cpumask = cpu_possible_mask;
crisv32_clockevent.irq = irq;