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authorPaul Mundt <lethal@linux-sh.org>2010-08-16 13:32:24 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-08-16 13:32:24 +0900
commitbbcf6e8b66ab2fb5ddab4d0fe40c2e6a5ebe5301 (patch)
tree071fa9f86dc04a16570be367d04cff3b00c694ad /arch/arm/mach-s5pv310/include/mach/smp.h
parent57682827b9a5edb52e33af0be9082b51bffcd5c7 (diff)
parentda5cabf80e2433131bf0ed8993abc0f7ea618c73 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: arch/sh/include/asm/Kbuild drivers/Makefile Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach/smp.h')
-rw-r--r--arch/arm/mach-s5pv310/include/mach/smp.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-s5pv310/include/mach/smp.h
new file mode 100644
index 000000000000..990f3ba88a1f
--- /dev/null
+++ b/arch/arm/mach-s5pv310/include/mach/smp.h
@@ -0,0 +1,29 @@
+/* linux/arch/arm/mach-s5pv310/include/mach/smp.h
+ *
+ * Cloned from arch/arm/mach-realview/include/mach/smp.h
+*/
+
+#ifndef ASM_ARCH_SMP_H
+#define ASM_ARCH_SMP_H __FILE__
+
+#include <asm/hardware/gic.h>
+
+extern void __iomem *gic_cpu_base_addr;
+
+#define hard_smp_processor_id() \
+ ({ \
+ unsigned int cpunum; \
+ __asm__("mrc p15, 0, %0, c0, c0, 5" \
+ : "=r" (cpunum)); \
+ cpunum &= 0x03; \
+ })
+
+/*
+ * We use IRQ1 as the IPI
+ */
+static inline void smp_cross_call(const struct cpumask *mask)
+{
+ gic_raise_softirq(mask, 1);
+}
+
+#endif