Remove unused gpioc_devclass.

sys/arm/allwinner/axp209.c

@@ -1411,14 +1411,12 @@ static driver_t axp2xx_driver = {
 };
 
 static devclass_t axp2xx_devclass;
-extern devclass_t gpioc_devclass;
 extern driver_t ofw_gpiobus_driver, gpioc_driver;
 
 EARLY_DRIVER_MODULE(axp2xx, iicbus, axp2xx_driver, axp2xx_devclass,
   0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE);
 EARLY_DRIVER_MODULE(ofw_gpiobus, axp2xx_pmu, ofw_gpiobus_driver, 0, 0,
     BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE);
-DRIVER_MODULE(gpioc, axp2xx_pmu, gpioc_driver, gpioc_devclass,
-    0, 0);
+DRIVER_MODULE(gpioc, axp2xx_pmu, gpioc_driver, 0, 0);
 MODULE_VERSION(axp2xx, 1);
 MODULE_DEPEND(axp2xx, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER);

sys/arm/allwinner/axp81x.c

@@ -1652,14 +1652,13 @@ static driver_t axp8xx_driver = {
 };
 
 static devclass_t axp8xx_devclass;
-extern devclass_t gpioc_devclass;
 extern driver_t ofw_gpiobus_driver, gpioc_driver;
 
 EARLY_DRIVER_MODULE(axp8xx, iicbus, axp8xx_driver, axp8xx_devclass, 0, 0,
     BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
 EARLY_DRIVER_MODULE(ofw_gpiobus, axp8xx_pmu, ofw_gpiobus_driver, 0, 0,
     BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
-DRIVER_MODULE(gpioc, axp8xx_pmu, gpioc_driver, gpioc_devclass, 0, 0);
+DRIVER_MODULE(gpioc, axp8xx_pmu, gpioc_driver, 0, 0);
 MODULE_VERSION(axp8xx, 1);
 MODULE_DEPEND(axp8xx, iicbus, 1, 1, 1);
 SIMPLEBUS_PNP_INFO(compat_data);

sys/dev/gpio/gpioc.c

@@ -1059,7 +1059,5 @@ driver_t gpioc_driver = {
 	sizeof(struct gpioc_softc)
 };
 
-devclass_t	gpioc_devclass;
-
-DRIVER_MODULE(gpioc, gpio, gpioc_driver, gpioc_devclass, 0, 0);
+DRIVER_MODULE(gpioc, gpio, gpioc_driver, 0, 0);
 MODULE_VERSION(gpioc, 1);