ARM: at91: remove old AT91-specific drivers

GPIO and LED drivers were replaced by generic ones for DT boards. These drivers
were remaining: delete them now. Modifications are also done on the
corresponding header files.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/mach-at91/Makefile

@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y		:= gpio.o setup.o sysirq_mask.o
+obj-y		:= setup.o sysirq_mask.o
 
 obj-$(CONFIG_SOC_AT91SAM9)	+= sam9_smc.o
 
@@ -25,9 +25,6 @@ obj-$(CONFIG_MACH_AT91SAM9_DT) += board-dt-sam9.o
 # SAMA5 board with device-tree
 obj-$(CONFIG_SOC_SAMA5)		+= board-dt-sama5.o
 
-# Drivers
-obj-y				+= leds.o
-
 # Power Management
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_AT91_SLOW_CLOCK)	+= pm_slowclock.o

arch/arm/mach-at91/board.h

@@ -117,7 +117,4 @@ extern void __init at91_add_device_isi(struct isi_platform_data *data,
 /* CAN */
 extern void __init at91_add_device_can(struct at91_can_data *data);
 
- /* LEDs */
-extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
-
 #endif

arch/arm/mach-at91/generic.h

@@ -41,20 +41,4 @@ extern void at91sam9_idle(void);
 
 /* Matrix */
 extern void at91_ioremap_matrix(u32 base_addr);
-
- /* GPIO */
-#define AT91RM9200_PQFP		3	/* AT91RM9200 PQFP package has 3 banks */
-#define AT91RM9200_BGA		4	/* AT91RM9200 BGA package has 4 banks */
-
-struct at91_gpio_bank {
-	unsigned short id;		/* peripheral ID */
-	unsigned long regbase;		/* offset from system peripheral base */
-};
-extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
-extern void __init at91_gpio_irq_setup(void);
-extern int  __init at91_gpio_of_irq_setup(struct device_node *node,
-					  struct device_node *parent);
-
-extern u32 at91_get_extern_irq(void);
-
 #endif /* _AT91_GENERIC_H */