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[2/7,OMAP] Add allowance for extra IRQ space

Message ID 1279598866-18716-1-git-send-email-darkstar6262@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Cory Maccarrone July 20, 2010, 4:07 a.m. UTC 
None
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Patch

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 5bc7a79..5ebbd91 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -20,6 +20,24 @@  config OMAP_GPIO_EXTRA128
 	  Add an extra 128 gpio numbers to the available GPIO pool. This is
 	  available for boards that need extra gpios for external devices.
 
+config OMAP_IRQ_EXTRA
+	int
+	default 128 if OMAP_IRQ_EXTRA128
+	default 64 if OMAP_IRQ_EXTRA64
+	default 0
+
+config OMAP_IRQ_EXTRA64
+	bool
+	help
+	  Add an extra 64 irq numbers to the available IRQ pool. This is
+	  available for boards that need extra interrupts for external devices.
+
+config OMAP_IRQ_EXTRA128
+	bool
+	help
+	  Add an extra 128 irq numbers to the available IRQ pool. This is
+	  available for boards that need extra interrupts for external devices.
+
 config ARCH_OMAP_OTG
 	bool
 
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index c01d9f0..2f14c78 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -409,7 +409,11 @@ 
 #define TWL_IRQ_END		TWL6030_IRQ_END
 #endif
 
-#define NR_IRQS			TWL_IRQ_END
+/*
+ * Some boards require extra irq capacity to support external
+ * devices that generate interrupts.
+ */
+#define NR_IRQS			(TWL_IRQ_END + CONFIG_OMAP_IRQ_EXTRA)
 
 #define OMAP_IRQ_BIT(irq)	(1 << ((irq) % 32))