SPRD_PWM_CHN_NUM 39 drivers/pwm/pwm-sprd.c struct sprd_pwm_chn chn[SPRD_PWM_CHN_NUM]; SPRD_PWM_CHN_NUM 217 drivers/pwm/pwm-sprd.c for (i = 0; i < SPRD_PWM_CHN_NUM; i++) {