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-rw-r--r--arch/arm/kernel/arch_timer.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index 1bb3b582043c..498c29ffbd39 100644
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c
@@ -25,7 +25,7 @@
25#include <asm/arch_timer.h> 25#include <asm/arch_timer.h>
26#include <asm/sched_clock.h> 26#include <asm/sched_clock.h>
27 27
28static unsigned long arch_timer_rate; 28static u32 arch_timer_rate;
29 29
30enum ppi_nr { 30enum ppi_nr {
31 PHYS_SECURE_PPI, 31 PHYS_SECURE_PPI,
@@ -121,27 +121,18 @@ static inline u32 arch_timer_reg_read(const int access, const int reg)
121 return val; 121 return val;
122} 122}
123 123
124static inline cycle_t arch_timer_counter_read(const int access) 124static inline u64 arch_counter_get_cntpct(void)
125{ 125{
126 cycle_t cval = 0; 126 u64 cval;
127 127 asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (cval));
128 if (access == ARCH_TIMER_PHYS_ACCESS)
129 asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (cval));
130
131 if (access == ARCH_TIMER_VIRT_ACCESS)
132 asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (cval));
133
134 return cval; 128 return cval;
135} 129}
136 130
137static inline cycle_t arch_counter_get_cntpct(void) 131static inline u64 arch_counter_get_cntvct(void)
138{
139 return arch_timer_counter_read(ARCH_TIMER_PHYS_ACCESS);
140}
141
142static inline cycle_t arch_counter_get_cntvct(void)
143{ 132{
144 return arch_timer_counter_read(ARCH_TIMER_VIRT_ACCESS); 133 u64 cval;
134 asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (cval));
135 return cval;
145} 136}
146 137
147static irqreturn_t inline timer_handler(const int access, 138static irqreturn_t inline timer_handler(const int access,
@@ -259,7 +250,7 @@ static int __cpuinit arch_timer_setup(struct clock_event_device *clk)
259 250
260static int arch_timer_available(void) 251static int arch_timer_available(void)
261{ 252{
262 unsigned long freq; 253 u32 freq;
263 254
264 if (arch_timer_rate == 0) { 255 if (arch_timer_rate == 0) {
265 freq = arch_timer_reg_read(ARCH_TIMER_PHYS_ACCESS, 256 freq = arch_timer_reg_read(ARCH_TIMER_PHYS_ACCESS,
@@ -275,7 +266,8 @@ static int arch_timer_available(void)
275 } 266 }
276 267
277 pr_info_once("Architected local timer running at %lu.%02luMHz (%s).\n", 268 pr_info_once("Architected local timer running at %lu.%02luMHz (%s).\n",
278 arch_timer_rate / 1000000, (arch_timer_rate / 10000) % 100, 269 (unsigned long)arch_timer_rate / 1000000,
270 (unsigned long)(arch_timer_rate / 10000) % 100,
279 arch_timer_use_virtual ? "virt" : "phys"); 271 arch_timer_use_virtual ? "virt" : "phys");
280 return 0; 272 return 0;
281} 273}