diff options
Diffstat (limited to 'arch/arm/plat-nomadik/timer.c')
-rw-r--r-- | arch/arm/plat-nomadik/timer.c | 20 |
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 | */ |
82 | static DEFINE_CLOCK_DATA(cd); | 81 | static u32 notrace nomadik_read_sched_clock(void) |
83 | |||
84 | unsigned 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 | |||
95 | static 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); |