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| author | Rabin Vincent <rabin@rab.in> | 2015-03-09 18:48:25 +0100 |
|---|---|---|
| committer | Jesper Nilsson <jespern@axis.com> | 2015-03-25 11:03:40 +0100 |
| commit | edfb6d5f1a05627204d1640ba527312dc8ea745a (patch) | |
| tree | 3dbf6f9196eada18a6091351091f365149bc0a8a | |
| parent | ed9fd3ff0251783cb3943e71aac398b9064efae6 (diff) | |
| download | linux-edfb6d5f1a05627204d1640ba527312dc8ea745a.tar.gz linux-edfb6d5f1a05627204d1640ba527312dc8ea745a.tar.bz2 linux-edfb6d5f1a05627204d1640ba527312dc8ea745a.zip | |
CRISv32: use MMIO clocksource
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>
| -rw-r--r-- | arch/cris/Kconfig | 1 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/time.c | 25 |
2 files changed, 5 insertions, 21 deletions
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 366dc83019a5..bd920ccbef6f 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -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 diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c index 77e241d6fa3d..7c802121c0c3 100644 --- a/arch/cris/arch-v32/kernel/time.c +++ b/arch/cris/arch-v32/kernel/time.c @@ -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; |