The TCU channels 0 and 1 were previously reserved for system tasks, and thus unavailable for PWM. Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> Tested-by: Mathieu Malaterre <malat@xxxxxxxxxx> Tested-by: Artur Rojek <contact@xxxxxxxxxxxxxx> --- drivers/pwm/pwm-jz4740.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index b55ee879e23d..c874a387c1d9 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -42,11 +42,7 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) char clk_name[16]; int ret; - /* - * Timers 0 and 1 are used for system tasks, so they are unavailable - * for use as PWMs. - */ - if (pwm->hwpwm < 2) + if (!ingenic_tcu_pwm_can_use_chn(chip->dev, pwm->hwpwm)) return -EBUSY; snprintf(clk_name, sizeof(clk_name), "timer%u", pwm->hwpwm); -- 2.11.0
