For the Thumb-2 case, the "wfi" mnemonic is used, since in this case the tools will necessarily be new enough to support it.
Signed-off-by: Dave Martin dave.martin@linaro.org --- KernelVersion: 2.6.37-rc4
arch/arm/mach-omap2/include/mach/omap4-common.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/include/mach/omap4-common.h b/arch/arm/mach-omap2/include/mach/omap4-common.h index 2744dfe..c6b1320 100644 --- a/arch/arm/mach-omap2/include/mach/omap4-common.h +++ b/arch/arm/mach-omap2/include/mach/omap4-common.h @@ -17,8 +17,13 @@ * wfi used in low power code. Directly opcode is used instead * of instruction to avoid mulit-omap build break */ +#ifdef CONFIG_THUMB2_KERNEL +#define do_wfi() \ + __asm__ __volatile__ ("wfi" : : : "memory") +#else #define do_wfi() \ __asm__ __volatile__ (".word 0xe320f003" : : : "memory") +#endif
#ifdef CONFIG_CACHE_L2X0 extern void __iomem *l2cache_base;