From a1fa6f503aad8da91c4cc8dd0e71d2789d78d3f6 Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Mon, 26 Aug 2013 19:08:58 +0200 Subject: [PATCH] clocksource: samsung_pwm_timer: Get clock from device tree When booting with device tree static clkdev aliases should not be used. This patch modifies the samsung_pwm_timer driver to use DT-based clock lookup when booting with device tree. Signed-off-by: Tomasz Figa Signed-off-by: Kyungmin Park Reviewed-by: Sylwester Nawrocki Signed-off-by: Mike Turquette --- drivers/clocksource/samsung_pwm_timer.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c index 584b5472eea3..32950c3ed374 100644 --- a/drivers/clocksource/samsung_pwm_timer.c +++ b/drivers/clocksource/samsung_pwm_timer.c @@ -349,10 +349,6 @@ static void __init samsung_clocksource_init(void) static void __init samsung_timer_resources(void) { - pwm.timerclk = clk_get(NULL, "timers"); - if (IS_ERR(pwm.timerclk)) - panic("failed to get timers clock for timer"); - clk_prepare_enable(pwm.timerclk); pwm.tcnt_max = (1UL << pwm.variant.bits) - 1; @@ -397,6 +393,10 @@ void __init samsung_pwm_clocksource_init(void __iomem *base, memcpy(&pwm.variant, variant, sizeof(pwm.variant)); memcpy(pwm.irq, irqs, SAMSUNG_PWM_NUM * sizeof(*irqs)); + pwm.timerclk = clk_get(NULL, "timers"); + if (IS_ERR(pwm.timerclk)) + panic("failed to get timers clock for timer"); + _samsung_pwm_clocksource_init(); } @@ -437,6 +437,10 @@ static void __init samsung_pwm_alloc(struct device_node *np, return; } + pwm.timerclk = of_clk_get_by_name(np, "timers"); + if (IS_ERR(pwm.timerclk)) + panic("failed to get timers clock for timer"); + _samsung_pwm_clocksource_init(); } -- 2.30.2