pin_str 210 drivers/gpio/gpiolib-acpi.c const char *controller, *pin_str; pin_str 216 drivers/gpio/gpiolib-acpi.c pin_str = strchr(controller, '@'); pin_str 217 drivers/gpio/gpiolib-acpi.c if (!pin_str) pin_str 220 drivers/gpio/gpiolib-acpi.c len = pin_str - controller; pin_str 223 drivers/gpio/gpiolib-acpi.c pin = simple_strtoul(pin_str + 1, &endp, 10);