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| author | Tony Lindgren <tony@atomide.com> | 2010-05-20 20:37:23 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-05-20 20:37:23 +0200 |
| commit | f6304f5804f228b6c2fea9e3dfac25c5b2db9b38 (patch) | |
| tree | 362b9b6a3bd32b868e5917a32d448ac75c5854df /arch/arm/mach-vexpress/include/mach/smp.h | |
| parent | Merge branch 'for_2.6.35' of git://git.pwsan.com/linux-2.6 into omap-for-linus (diff) | |
| parent | omap4: Add support for i2c init (diff) | |
| download | linux-f6304f5804f228b6c2fea9e3dfac25c5b2db9b38.tar.xz linux-f6304f5804f228b6c2fea9e3dfac25c5b2db9b38.zip | |
Merge branch 'omap4-i2c-init' into omap-for-linus
Diffstat (limited to 'arch/arm/mach-vexpress/include/mach/smp.h')
| -rw-r--r-- | arch/arm/mach-vexpress/include/mach/smp.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-vexpress/include/mach/smp.h b/arch/arm/mach-vexpress/include/mach/smp.h new file mode 100644 index 000000000000..72a9621ed087 --- /dev/null +++ b/arch/arm/mach-vexpress/include/mach/smp.h @@ -0,0 +1,21 @@ +#ifndef __MACH_SMP_H +#define __MACH_SMP_H + +#include <asm/hardware/gic.h> + +#define hard_smp_processor_id() \ + ({ \ + unsigned int cpunum; \ + __asm__("mrc p15, 0, %0, c0, c0, 5" \ + : "=r" (cpunum)); \ + cpunum &= 0x0F; \ + }) + +/* + * We use IRQ1 as the IPI + */ +static inline void smp_cross_call(const struct cpumask *mask) +{ + gic_raise_softirq(mask, 1); +} +#endif |