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Diffstat (limited to 'arch/arm/plat-s5p/s5p-time.c')
-rw-r--r--arch/arm/plat-s5p/s5p-time.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c
index 612934c48b0..c833e7b5759 100644
--- a/arch/arm/plat-s5p/s5p-time.c
+++ b/arch/arm/plat-s5p/s5p-time.c
@@ -314,13 +314,6 @@ static void __iomem *s5p_timer_reg(void)
314 return S3C_TIMERREG(offset); 314 return S3C_TIMERREG(offset);
315} 315}
316 316
317static cycle_t s5p_timer_read(struct clocksource *cs)
318{
319 void __iomem *reg = s5p_timer_reg();
320
321 return (cycle_t) (reg ? ~__raw_readl(reg) : 0);
322}
323
324/* 317/*
325 * Override the global weak sched_clock symbol with this 318 * Override the global weak sched_clock symbol with this
326 * local implementation which uses the clocksource to get some 319 * local implementation which uses the clocksource to get some
@@ -350,14 +343,6 @@ static void notrace s5p_update_sched_clock(void)
350 update_sched_clock(&cd, ~__raw_readl(reg), (u32)~0); 343 update_sched_clock(&cd, ~__raw_readl(reg), (u32)~0);
351} 344}
352 345
353struct clocksource time_clocksource = {
354 .name = "s5p_clocksource_timer",
355 .rating = 250,
356 .read = s5p_timer_read,
357 .mask = CLOCKSOURCE_MASK(32),
358 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
359};
360
361static void __init s5p_clocksource_init(void) 346static void __init s5p_clocksource_init(void)
362{ 347{
363 unsigned long pclk; 348 unsigned long pclk;
@@ -375,8 +360,9 @@ static void __init s5p_clocksource_init(void)
375 360
376 init_sched_clock(&cd, s5p_update_sched_clock, 32, clock_rate); 361 init_sched_clock(&cd, s5p_update_sched_clock, 32, clock_rate);
377 362
378 if (clocksource_register_hz(&time_clocksource, clock_rate)) 363 if (clocksource_mmio_init(s5p_timer_reg(), "s5p_clocksource_timer",
379 panic("%s: can't register clocksource\n", time_clocksource.name); 364 clock_rate, 250, 32, clocksource_mmio_readl_down))
365 panic("s5p_clocksource_timer: can't register clocksource\n");
380} 366}
381 367
382static void __init s5p_timer_resources(void) 368static void __init s5p_timer_resources(void)
@@ -384,6 +370,7 @@ static void __init s5p_timer_resources(void)
384 370
385 unsigned long event_id = timer_source.event_id; 371 unsigned long event_id = timer_source.event_id;
386 unsigned long source_id = timer_source.source_id; 372 unsigned long source_id = timer_source.source_id;
373 char devname[15];
387 374
388 timerclk = clk_get(NULL, "timers"); 375 timerclk = clk_get(NULL, "timers");
389 if (IS_ERR(timerclk)) 376 if (IS_ERR(timerclk))
@@ -391,6 +378,10 @@ static void __init s5p_timer_resources(void)
391 378
392 clk_enable(timerclk); 379 clk_enable(timerclk);
393 380
381 sprintf(devname, "s3c24xx-pwm.%lu", event_id);
382 s3c_device_timer[event_id].id = event_id;
383 s3c_device_timer[event_id].dev.init_name = devname;
384
394 tin_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tin"); 385 tin_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tin");
395 if (IS_ERR(tin_event)) 386 if (IS_ERR(tin_event))
396 panic("failed to get pwm-tin clock for event timer"); 387 panic("failed to get pwm-tin clock for event timer");
@@ -401,6 +392,10 @@ static void __init s5p_timer_resources(void)
401 392
402 clk_enable(tin_event); 393 clk_enable(tin_event);
403 394
395 sprintf(devname, "s3c24xx-pwm.%lu", source_id);
396 s3c_device_timer[source_id].id = source_id;
397 s3c_device_timer[source_id].dev.init_name = devname;
398
404 tin_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tin"); 399 tin_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tin");
405 if (IS_ERR(tin_source)) 400 if (IS_ERR(tin_source))
406 panic("failed to get pwm-tin clock for source timer"); 401 panic("failed to get pwm-tin clock for source timer");