2134 	struct pwm_cdev_data *cdata;  in pwm_cdev_open()  local
2141 	cdata = kzalloc_flex(*cdata, pwm, chip->npwm);  in pwm_cdev_open()
2142 	if (!cdata)  in pwm_cdev_open()
2145 	cdata->chip = chip;  in pwm_cdev_open()
2147 	file->private_data = cdata;  in pwm_cdev_open()
2154 	struct pwm_cdev_data *cdata = file->private_data;  in pwm_cdev_release()  local
2157 	for (i = 0; i < cdata->chip->npwm; ++i) {  in pwm_cdev_release()
2158 		struct pwm_device *pwm = cdata->pwm[i];  in pwm_cdev_release()
2163 			pwm_put(cdata->pwm[i]);  in pwm_cdev_release()
2167 	kfree(cdata);  in pwm_cdev_release()
2172 static int pwm_cdev_request(struct pwm_cdev_data *cdata, unsigned int hwpwm)  in pwm_cdev_request()  argument
2174 	struct pwm_chip *chip = cdata->chip;  in pwm_cdev_request()
2179 	if (!cdata->pwm[hwpwm]) {  in pwm_cdev_request()
2194 		cdata->pwm[hwpwm] = pwm;  in pwm_cdev_request()
2200 static int pwm_cdev_free(struct pwm_cdev_data *cdata, unsigned int hwpwm)  in pwm_cdev_free()  argument
2202 	struct pwm_chip *chip = cdata->chip;  in pwm_cdev_free()
2207 	if (cdata->pwm[hwpwm]) {  in pwm_cdev_free()
2208 		struct pwm_device *pwm = cdata->pwm[hwpwm];  in pwm_cdev_free()
2215 		cdata->pwm[hwpwm] = NULL;  in pwm_cdev_free()
2221 static struct pwm_device *pwm_cdev_get_requested_pwm(struct pwm_cdev_data *cdata,  in pwm_cdev_get_requested_pwm()  argument
2224 	struct pwm_chip *chip = cdata->chip;  in pwm_cdev_get_requested_pwm()
2229 	if (cdata->pwm[hwpwm])  in pwm_cdev_get_requested_pwm()
2230 		return cdata->pwm[hwpwm];  in pwm_cdev_get_requested_pwm()
2238 	struct pwm_cdev_data *cdata = file->private_data;  in pwm_cdev_ioctl()  local
2239 	struct pwm_chip *chip = cdata->chip;  in pwm_cdev_ioctl()
2251 			return pwm_cdev_request(cdata, hwpwm);  in pwm_cdev_ioctl()
2258 			return pwm_cdev_free(cdata, hwpwm);  in pwm_cdev_ioctl()
2276 			pwm = pwm_cdev_get_requested_pwm(cdata, cwf.hwpwm);  in pwm_cdev_ioctl()
2317 			pwm = pwm_cdev_get_requested_pwm(cdata, cwf.hwpwm);  in pwm_cdev_ioctl()
2362 			pwm = pwm_cdev_get_requested_pwm(cdata, cwf.hwpwm);  in pwm_cdev_ioctl()