ARM: davinci: select SPARSE_IRQ

Everything is in place now for SPARSE_IRQ. Select it and set
DAVINCI_INTC_START to NR_IRQS.

We now need to include mach/irqs.h in a couple places as it is no
longer indirectly included after selecting SPARSE_IRQ.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/Kconfig

@@ -595,6 +595,7 @@ config ARCH_DAVINCI
 	select PM_GENERIC_DOMAINS if PM
 	select PM_GENERIC_DOMAINS_OF if PM && OF
 	select RESET_CONTROLLER
+	select SPARSE_IRQ
 	select USE_OF
 	select ZONE_DMA
 	help

arch/arm/mach-davinci/board-da830-evm.c

@@ -36,6 +36,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/common.h>
+#include <mach/irqs.h>
 #include "cp_intc.h"
 #include <mach/mux.h>
 #include <mach/da8xx.h>

arch/arm/mach-davinci/board-da850-evm.c

@@ -46,6 +46,7 @@
 #include "cp_intc.h"
 #include <mach/da8xx.h>
 #include <mach/mux.h>
+#include <mach/irqs.h>
 #include "sram.h"
 
 #include <asm/mach-types.h>

arch/arm/mach-davinci/board-dm644x-evm.c

@@ -36,6 +36,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/common.h>
+#include <mach/irqs.h>
 #include <linux/platform_data/i2c-davinci.h>
 #include <mach/serial.h>
 #include <mach/mux.h>

arch/arm/mach-davinci/devices-da8xx.c

@@ -25,6 +25,7 @@
 #include <mach/cputype.h>
 #include <mach/da8xx.h>
 #include <mach/time.h>
+#include <mach/irqs.h>
 
 #include "asp.h"
 #include "cpuidle.h"

arch/arm/mach-davinci/include/mach/common.h

@@ -17,7 +17,9 @@
 #include <linux/types.h>
 #include <linux/reboot.h>
 
-#define DAVINCI_INTC_START		0
+#include <asm/irq.h>
+
+#define DAVINCI_INTC_START		NR_IRQS
 #define DAVINCI_INTC_IRQ(_irqnum)	(DAVINCI_INTC_START + (_irqnum))
 
 void davinci_timer_init(struct clk *clk);

arch/arm/mach-davinci/include/mach/irqs.h

@@ -401,6 +401,5 @@
 /* da850 currently has the most gpio pins (144) */
 #define DAVINCI_N_GPIO			144
 /* da850 currently has the most irqs so use DA850_N_CP_INTC_IRQ */
-#define NR_IRQS				(DA850_N_CP_INTC_IRQ + DAVINCI_N_GPIO)
 
 #endif /* __ASM_ARCH_IRQS_H */

arch/arm/mach-davinci/irq.c

@@ -28,6 +28,7 @@
 #include <mach/hardware.h>
 #include <mach/cputype.h>
 #include <mach/common.h>
+#include <mach/irqs.h>
 #include <asm/mach/irq.h>
 #include <asm/exception.h>