1 files changed, 23 insertions, 13 deletions

diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 3af2b7a1045..65f1be6a182 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -141,25 +141,20 @@ omap_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
 				IRQ_NOREQUEST | IRQ_NOPROBE, 0);
 }
 
-void __init omap_init_irq(void)
+static void __init omap_init_irq(u32 base, int nr_irqs)
 {
 	unsigned long nr_of_irqs = 0;
 	unsigned int nr_banks = 0;
 	int i, j;
 
+	omap_irq_base = ioremap(base, SZ_4K);
+	if (WARN_ON(!omap_irq_base))
+		return;
+
 	for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
-		unsigned long base = 0;
 		struct omap_irq_bank *bank = irq_banks + i;
 
-		if (cpu_is_omap24xx())
-			base = OMAP24XX_IC_BASE;
-		else if (cpu_is_omap34xx())
-			base = OMAP34XX_IC_BASE;
-
-		BUG_ON(!base);
-
-		if (cpu_is_ti816x())
-			bank->nr_irqs = 128;
+		bank->nr_irqs = nr_irqs;
 
 		/* Static mapping, never released */
 		bank->base_reg = ioremap(base, SZ_4K);
@@ -170,8 +165,8 @@ void __init omap_init_irq(void)
 
 		omap_irq_bank_init_one(bank);
 
-		for (i = 0, j = 0; i < bank->nr_irqs; i += 32, j += 0x20)
-			omap_alloc_gc(bank->base_reg + j, i, 32);
+		for (j = 0; j < bank->nr_irqs; j += 32)
+			omap_alloc_gc(bank->base_reg + j, j, 32);
 
 		nr_of_irqs += bank->nr_irqs;
 		nr_banks++;
@@ -181,6 +176,21 @@ void __init omap_init_irq(void)
 	       nr_of_irqs, nr_banks, nr_banks > 1 ? "s" : "");
 }
 
+void __init omap2_init_irq(void)
+{
+	omap_init_irq(OMAP24XX_IC_BASE, 96);
+}
+
+void __init omap3_init_irq(void)
+{
+	omap_init_irq(OMAP34XX_IC_BASE, 96);
+}
+
+void __init ti816x_init_irq(void)
+{
+	omap_init_irq(OMAP34XX_IC_BASE, 128);
+}
+
 #ifdef CONFIG_ARCH_OMAP3
 static struct omap3_intc_regs intc_context[ARRAY_SIZE(irq_banks)];