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-rw-r--r--arch/arm/plat-nomadik/timer.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index 30b6433d910d..ad1b45b605a4 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -17,7 +17,6 @@
17#include <linux/clk.h> 17#include <linux/clk.h>
18#include <linux/jiffies.h> 18#include <linux/jiffies.h>
19#include <linux/err.h> 19#include <linux/err.h>
20#include <linux/sched.h>
21#include <asm/mach/time.h> 20#include <asm/mach/time.h>
22#include <asm/sched_clock.h> 21#include <asm/sched_clock.h>
23 22
@@ -79,23 +78,12 @@ void __iomem *mtu_base; /* Assigned by machine code */
79 * local implementation which uses the clocksource to get some 78 * local implementation which uses the clocksource to get some
80 * better resolution when scheduling the kernel. 79 * better resolution when scheduling the kernel.
81 */ 80 */
82static DEFINE_CLOCK_DATA(cd); 81static u32 notrace nomadik_read_sched_clock(void)
83
84unsigned long long notrace sched_clock(void)
85{ 82{
86 u32 cyc;
87
88 if (unlikely(!mtu_base)) 83 if (unlikely(!mtu_base))
89 return 0; 84 return 0;
90 85
91 cyc = -readl(mtu_base + MTU_VAL(0)); 86 return -readl(mtu_base + MTU_VAL(0));
92 return cyc_to_sched_clock(&cd, cyc, (u32)~0);
93}
94
95static void notrace nomadik_update_sched_clock(void)
96{
97 u32 cyc = -readl(mtu_base + MTU_VAL(0));
98 update_sched_clock(&cd, cyc, (u32)~0);
99} 87}
100#endif 88#endif
101 89
@@ -231,9 +219,11 @@ void __init nmdk_timer_init(void)
231 rate, 200, 32, clocksource_mmio_readl_down)) 219 rate, 200, 32, clocksource_mmio_readl_down))
232 pr_err("timer: failed to initialize clock source %s\n", 220 pr_err("timer: failed to initialize clock source %s\n",
233 "mtu_0"); 221 "mtu_0");
222
234#ifdef CONFIG_NOMADIK_MTU_SCHED_CLOCK 223#ifdef CONFIG_NOMADIK_MTU_SCHED_CLOCK
235 init_sched_clock(&cd, nomadik_update_sched_clock, 32, rate); 224 setup_sched_clock(nomadik_read_sched_clock, 32, rate);
236#endif 225#endif
226
237 /* Timer 1 is used for events */ 227 /* Timer 1 is used for events */
238 228
239 clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE); 229 clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE);