pwm: atmel: set pwm_chip can_sleep flag

atmel_pwm_config() calls clk_get_rate() which might sleep, so we need to
set pwm_chip can_sleep flag.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index 0adc952cc4ef5e95d8a5bd0fa0a680663150b7e8..6e700a541ca32ded0d5881842214a53d87ffe0f6 100644 (file)
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -357,6 +357,7 @@ static int atmel_pwm_probe(struct platform_device *pdev)
 
        atmel_pwm->chip.base = -1;
        atmel_pwm->chip.npwm = 4;
+       atmel_pwm->chip.can_sleep = true;
        atmel_pwm->config = data->config;
 
        ret = pwmchip_add(&atmel_pwm->chip);