[PATCH 6/6] ARM: pxa: register PMU IRQs during board initialisation
Will Deacon
will.deacon at arm.com
Thu Mar 25 11:16:38 EDT 2010
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 at gmail.com>
Signed-off-by: Will Deacon <will.deacon at arm.com>
---
arch/arm/plat-pxa/Makefile | 2 +-
arch/arm/plat-pxa/pmu.c | 33 +++++++++++++++++++++++++++++++++
2 files changed, 34 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/plat-pxa/pmu.c
diff --git a/arch/arm/plat-pxa/Makefile b/arch/arm/plat-pxa/Makefile
index 0264bfb..f68da35 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 0000000..267ceb6
--- /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);
--
1.6.3.3
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