From 6153d465151113fae30d41bb2af9f77d813eea6f Mon Sep 17 00:00:00 2001
From: Luiz Otavio O Souza <loos@FreeBSD.org>
Date: Thu, 5 Mar 2015 03:11:47 +0000
Subject: [PATCH] Use the child device name here is lame because at the point
 that this happens, the child device is not yet specified.

---
 sys/dev/gpio/gpiobus.c     | 9 ++++-----
 sys/dev/gpio/gpiobusvar.h  | 2 +-
 sys/dev/gpio/ofw_gpiobus.c | 3 +--
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/sys/dev/gpio/gpiobus.c b/sys/dev/gpio/gpiobus.c
index 89740d1be016..11a33d73e614 100644
--- a/sys/dev/gpio/gpiobus.c
+++ b/sys/dev/gpio/gpiobus.c
@@ -230,21 +230,20 @@ gpiobus_free_ivars(struct gpiobus_ivar *devi)
 }
 
 int
-gpiobus_map_pin(device_t bus, device_t child, uint32_t pin)
+gpiobus_map_pin(device_t bus, uint32_t pin)
 {
 	struct gpiobus_softc *sc;
 
 	sc = device_get_softc(bus);
 	/* Consistency check. */
 	if (pin >= sc->sc_npins) {
-		device_printf(child,
+		device_printf(bus,
 		    "invalid pin %d, max: %d\n", pin, sc->sc_npins - 1);
 		return (-1);
 	}
 	/* Mark pin as mapped and give warning if it's already mapped. */
 	if (sc->sc_pins_mapped[pin]) {
-		device_printf(child,
-		    "warning: pin %d is already mapped\n", pin);
+		device_printf(bus, "warning: pin %d is already mapped\n", pin);
 		return (-1);
 	}
 	sc->sc_pins_mapped[pin] = 1;
@@ -277,7 +276,7 @@ gpiobus_parse_pins(struct gpiobus_softc *sc, device_t child, int mask)
 		if ((mask & (1 << i)) == 0)
 			continue;
 		/* Reserve the GPIO pin. */
-		if (gpiobus_map_pin(sc->sc_busdev, child, i) != 0) {
+		if (gpiobus_map_pin(sc->sc_busdev, i) != 0) {
 			gpiobus_free_ivars(devi);
 			return (EINVAL);
 		}
diff --git a/sys/dev/gpio/gpiobusvar.h b/sys/dev/gpio/gpiobusvar.h
index beffb7faf647..315709a448ae 100644
--- a/sys/dev/gpio/gpiobusvar.h
+++ b/sys/dev/gpio/gpiobusvar.h
@@ -110,7 +110,7 @@ int gpiobus_detach_bus(device_t);
 int gpiobus_init_softc(device_t);
 int gpiobus_alloc_ivars(struct gpiobus_ivar *);
 void gpiobus_free_ivars(struct gpiobus_ivar *);
-int gpiobus_map_pin(device_t, device_t, uint32_t);
+int gpiobus_map_pin(device_t, uint32_t);
 
 extern driver_t gpiobus_driver;
 
diff --git a/sys/dev/gpio/ofw_gpiobus.c b/sys/dev/gpio/ofw_gpiobus.c
index 3eb6b860d4c5..da72d4dfed20 100644
--- a/sys/dev/gpio/ofw_gpiobus.c
+++ b/sys/dev/gpio/ofw_gpiobus.c
@@ -282,8 +282,7 @@ ofw_gpiobus_parse_gpios_impl(device_t consumer, phandle_t cnode, char *pname,
 			goto fail;
 		}
 		/* Reserve the GPIO pin. */
-		if (gpiobus_map_pin(bussc->sc_busdev, consumer,
-		    (*pins)[j].pin) != 0)
+		if (gpiobus_map_pin(bussc->sc_busdev, (*pins)[j].pin) != 0)
 			goto fail;
 		j++;
 		i += gpiocells + 1;