nand/raw/gpio.c

40 	struct gpio_desc *nwp; /* Optional write protection */
279 	if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
280 		gpiod_set_value(gpiomtd->nwp, 0);
324 	gpiomtd->nwp = devm_gpiod_get_optional(dev, "nwp", GPIOD_OUT_LOW);
325 	if (IS_ERR(gpiomtd->nwp)) {
326 		ret = PTR_ERR(gpiomtd->nwp);
361 	if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
362 		gpiod_direction_output(gpiomtd->nwp, 1);
384 	if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
385 		gpiod_set_value(gpiomtd->nwp, 0);