diff options
Diffstat (limited to 'arch/arm/mach-at91/include')
-rw-r--r-- | arch/arm/mach-at91/include/mach/system.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h index c80e090b3670..ee8db152592e 100644 --- a/arch/arm/mach-at91/include/mach/system.h +++ b/arch/arm/mach-at91/include/mach/system.h | |||
@@ -28,17 +28,16 @@ | |||
28 | 28 | ||
29 | static inline void arch_idle(void) | 29 | static inline void arch_idle(void) |
30 | { | 30 | { |
31 | #ifndef CONFIG_DEBUG_KERNEL | ||
32 | /* | 31 | /* |
33 | * Disable the processor clock. The processor will be automatically | 32 | * Disable the processor clock. The processor will be automatically |
34 | * re-enabled by an interrupt or by a reset. | 33 | * re-enabled by an interrupt or by a reset. |
35 | */ | 34 | */ |
36 | at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); | 35 | at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); |
37 | #else | 36 | #ifndef CONFIG_CPU_ARM920T |
38 | /* | 37 | /* |
39 | * Set the processor (CP15) into 'Wait for Interrupt' mode. | 38 | * Set the processor (CP15) into 'Wait for Interrupt' mode. |
40 | * Unlike disabling the processor clock via the PMC (above) | 39 | * Post-RM9200 processors need this in conjunction with the above |
41 | * this allows the processor to be woken via JTAG. | 40 | * to save power when idle. |
42 | */ | 41 | */ |
43 | cpu_do_idle(); | 42 | cpu_do_idle(); |
44 | #endif | 43 | #endif |