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yaml
---
r: 355818
b: refs/heads/master
c: ef01c1d
h: refs/heads/master
v: v3
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Mark Rutland committed Jan 31, 2013
1 parent 5f8943c commit e5acd5d
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Showing 2 changed files with 12 additions and 20 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ef201de430b0deb62a9afd2c4e67f04525cec43c
refs/heads/master: ef01c1d1483d214357f183949bc6173f29906a87
30 changes: 11 additions & 19 deletions trunk/arch/arm/kernel/arch_timer.c
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
#include <asm/arch_timer.h>
#include <asm/sched_clock.h>

static unsigned long arch_timer_rate;
static u32 arch_timer_rate;

enum ppi_nr {
PHYS_SECURE_PPI,
Expand Down Expand Up @@ -121,27 +121,18 @@ static inline u32 arch_timer_reg_read(const int access, const int reg)
return val;
}

static inline cycle_t arch_timer_counter_read(const int access)
static inline u64 arch_counter_get_cntpct(void)
{
cycle_t cval = 0;

if (access == ARCH_TIMER_PHYS_ACCESS)
asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (cval));

if (access == ARCH_TIMER_VIRT_ACCESS)
asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (cval));

u64 cval;
asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (cval));
return cval;
}

static inline cycle_t arch_counter_get_cntpct(void)
{
return arch_timer_counter_read(ARCH_TIMER_PHYS_ACCESS);
}

static inline cycle_t arch_counter_get_cntvct(void)
static inline u64 arch_counter_get_cntvct(void)
{
return arch_timer_counter_read(ARCH_TIMER_VIRT_ACCESS);
u64 cval;
asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (cval));
return cval;
}

static irqreturn_t inline timer_handler(const int access,
Expand Down Expand Up @@ -259,7 +250,7 @@ static int __cpuinit arch_timer_setup(struct clock_event_device *clk)

static int arch_timer_available(void)
{
unsigned long freq;
u32 freq;

if (arch_timer_rate == 0) {
freq = arch_timer_reg_read(ARCH_TIMER_PHYS_ACCESS,
Expand All @@ -275,7 +266,8 @@ static int arch_timer_available(void)
}

pr_info_once("Architected local timer running at %lu.%02luMHz (%s).\n",
arch_timer_rate / 1000000, (arch_timer_rate / 10000) % 100,
(unsigned long)arch_timer_rate / 1000000,
(unsigned long)(arch_timer_rate / 10000) % 100,
arch_timer_use_virtual ? "virt" : "phys");
return 0;
}
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