ARM: 6049/1: ARM: pxa: register PMU IRQs during board initialisation

This patch adds an initcall for the pxa platforms so that they
register their PMU IRQs with the PMU framework in the Kernel.

Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 34 insertions, 1 deletions

diff --git a/arch/arm/plat-pxa/Makefile b/arch/arm/plat-pxa/Makefile
index 0264bfb0ca4f..f68da35f4fb3 100644
--- a/arch/arm/plat-pxa/Makefile
+++ b/arch/arm/plat-pxa/Makefile
@@ -2,7 +2,7 @@
 # Makefile for code common across different PXA processor families
 #
 
-obj-y   := dma.o
+obj-y   := dma.o pmu.o
 
 obj-$(CONFIG_GENERIC_GPIO)      += gpio.o
 obj-$(CONFIG_PXA3xx)            += mfp.o
diff --git a/arch/arm/plat-pxa/pmu.c b/arch/arm/plat-pxa/pmu.c
new file mode 100644
index 000000000000..267ceb6feb2f
--- /dev/null
+++ b/arch/arm/plat-pxa/pmu.c
@@ -0,0 +1,33 @@
+/*
+ * PMU IRQ registration for the PXA xscale PMU families.
+ * Copyright (C) 2010 Will Deacon, ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <asm/pmu.h>
+#include <mach/irqs.h>
+
+static struct resource pmu_resource = {
+        .start  = IRQ_PMU,
+        .end    = IRQ_PMU,
+        .flags  = IORESOURCE_IRQ,
+};
+
+static struct platform_device pmu_device = {
+        .name           = "arm-pmu",
+        .id             = ARM_PMU_DEVICE_CPU,
+        .resource       = &pmu_resource,
+        .num_resources  = 1,
+};
+
+static int __init pxa_pmu_init(void)
+{
+        platform_device_register(&pmu_device);
+        return 0;
+}
+arch_initcall(pxa_pmu_init);