From 19b7ce8bad718a2850ea19aeb7383f1728596c24 Mon Sep 17 00:00:00 2001 From: Hans-Christian Egtvedt Date: Mon, 26 Feb 2007 13:50:43 +0100 Subject: [AVR32] Put cpu in sleep 0 when idle. This patch puts the CPU in sleep 0 when doing nothing, idle. This will turn of the CPU clock and thus save power. The CPU is waken again when an interrupt occurs. Signed-off-by: Hans-Christian Egtvedt Signed-off-by: Haavard Skinnemoen --- include/asm-avr32/thread_info.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/asm-avr32') diff --git a/include/asm-avr32/thread_info.h b/include/asm-avr32/thread_info.h index d1f5b35ebd5..a2e606dd4f4 100644 --- a/include/asm-avr32/thread_info.h +++ b/include/asm-avr32/thread_info.h @@ -83,6 +83,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SINGLE_STEP 6 /* single step after next break */ #define TIF_MEMDIE 7 #define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal */ +#define TIF_CPU_GOING_TO_SLEEP 9 /* CPU is entering sleep 0 mode */ #define TIF_USERSPACE 31 /* true if FS sets userspace */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) @@ -94,6 +95,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SINGLE_STEP (1 << TIF_SINGLE_STEP) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) +#define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP) /* XXX: These two masks must never span more than 16 bits! */ /* work to do on interrupt/exception return */ -- cgit v1.2.3-18-g5258