bcm47xx: make it possible to build bcm47xx without ssb.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c
index 99e1c50..2b804c367 100644
--- a/arch/mips/bcm47xx/gpio.c
+++ b/arch/mips/bcm47xx/gpio.c
@@ -21,6 +21,7 @@
 int gpio_request(unsigned gpio, const char *tag)
 {
 	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
 	case BCM47XX_BUS_TYPE_SSB:
 		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
 		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
@@ -34,6 +35,7 @@
 			return -EBUSY;
 
 		return 0;
+#endif
 	}
 	return -EINVAL;
 }
@@ -42,6 +44,7 @@
 void gpio_free(unsigned gpio)
 {
 	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
 	case BCM47XX_BUS_TYPE_SSB:
 		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
 		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
@@ -53,6 +56,7 @@
 
 		clear_bit(gpio, gpio_in_use);
 		return;
+#endif
 	}
 }
 EXPORT_SYMBOL(gpio_free);
@@ -60,6 +64,7 @@
 int gpio_to_irq(unsigned gpio)
 {
 	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
 	case BCM47XX_BUS_TYPE_SSB:
 		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco))
 			return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2;
@@ -67,6 +72,7 @@
 			return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2;
 		else
 			return -EINVAL;
+#endif
 	}
 	return -EINVAL;
 }