diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/cris/Kconfig | 1 | ||||
-rw-r--r-- | arch/cris/arch-v32/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/cris/kernel/time.c | 2 |
3 files changed, 12 insertions, 0 deletions
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index bd920ccbef6f..0314e325a669 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig | |||
@@ -57,6 +57,7 @@ config CRIS | |||
57 | select OF_EARLY_FLATTREE if ETRAX_ARCH_V32 | 57 | select OF_EARLY_FLATTREE if ETRAX_ARCH_V32 |
58 | select CLKSRC_MMIO if ETRAX_ARCH_V32 | 58 | select CLKSRC_MMIO if ETRAX_ARCH_V32 |
59 | select GENERIC_CLOCKEVENTS if ETRAX_ARCH_V32 | 59 | select GENERIC_CLOCKEVENTS if ETRAX_ARCH_V32 |
60 | select GENERIC_SCHED_CLOCK if ETRAX_ARCH_V32 | ||
60 | 61 | ||
61 | config HZ | 62 | config HZ |
62 | int | 63 | int |
diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c index 7c802121c0c3..4fce9f1f7cc0 100644 --- a/arch/cris/arch-v32/kernel/time.c +++ b/arch/cris/arch-v32/kernel/time.c | |||
@@ -15,6 +15,7 @@ | |||
15 | #include <linux/init.h> | 15 | #include <linux/init.h> |
16 | #include <linux/threads.h> | 16 | #include <linux/threads.h> |
17 | #include <linux/cpufreq.h> | 17 | #include <linux/cpufreq.h> |
18 | #include <linux/sched_clock.h> | ||
18 | #include <linux/mm.h> | 19 | #include <linux/mm.h> |
19 | #include <asm/types.h> | 20 | #include <asm/types.h> |
20 | #include <asm/signal.h> | 21 | #include <asm/signal.h> |
@@ -242,6 +243,11 @@ static struct irqaction irq_timer = { | |||
242 | .dev_id = &crisv32_clockevent, | 243 | .dev_id = &crisv32_clockevent, |
243 | }; | 244 | }; |
244 | 245 | ||
246 | static u64 notrace crisv32_timer_sched_clock(void) | ||
247 | { | ||
248 | return REG_RD(timer, timer_base, r_time); | ||
249 | } | ||
250 | |||
245 | static void __init crisv32_timer_init(void) | 251 | static void __init crisv32_timer_init(void) |
246 | { | 252 | { |
247 | reg_timer_rw_intr_mask timer_intr_mask; | 253 | reg_timer_rw_intr_mask timer_intr_mask; |
@@ -275,6 +281,9 @@ void __init time_init(void) | |||
275 | 281 | ||
276 | crisv32_timer_init(); | 282 | crisv32_timer_init(); |
277 | 283 | ||
284 | sched_clock_register(crisv32_timer_sched_clock, 32, | ||
285 | CRISV32_TIMER_FREQ); | ||
286 | |||
278 | clocksource_mmio_init(timer_base + REG_RD_ADDR_timer_r_time, | 287 | clocksource_mmio_init(timer_base + REG_RD_ADDR_timer_r_time, |
279 | "crisv32-timer", CRISV32_TIMER_FREQ, | 288 | "crisv32-timer", CRISV32_TIMER_FREQ, |
280 | 300, 32, clocksource_mmio_readl_up); | 289 | 300, 32, clocksource_mmio_readl_up); |
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c index fe6acdabbc8d..7780d379522f 100644 --- a/arch/cris/kernel/time.c +++ b/arch/cris/kernel/time.c | |||
@@ -79,11 +79,13 @@ cris_do_profile(struct pt_regs* regs) | |||
79 | #endif | 79 | #endif |
80 | } | 80 | } |
81 | 81 | ||
82 | #ifndef CONFIG_GENERIC_SCHED_CLOCK | ||
82 | unsigned long long sched_clock(void) | 83 | unsigned long long sched_clock(void) |
83 | { | 84 | { |
84 | return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) + | 85 | return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) + |
85 | get_ns_in_jiffie(); | 86 | get_ns_in_jiffie(); |
86 | } | 87 | } |
88 | #endif | ||
87 | 89 | ||
88 | static int | 90 | static int |
89 | __init init_udelay(void) | 91 | __init init_udelay(void) |