aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/cris/Kconfig1
-rw-r--r--arch/cris/arch-v32/kernel/time.c9
-rw-r--r--arch/cris/kernel/time.c2
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
61config HZ 62config 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
246static u64 notrace crisv32_timer_sched_clock(void)
247{
248 return REG_RD(timer, timer_base, r_time);
249}
250
245static void __init crisv32_timer_init(void) 251static 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
82unsigned long long sched_clock(void) 83unsigned 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
88static int 90static int
89__init init_udelay(void) 91__init init_udelay(void)