diff options
Diffstat (limited to 'src/arch/arm/interface/efi/efiarm_nap.c')
| -rw-r--r-- | src/arch/arm/interface/efi/efiarm_nap.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/arch/arm/interface/efi/efiarm_nap.c b/src/arch/arm/interface/efi/efiarm_nap.c index 9ed638e9..fba7a5d8 100644 --- a/src/arch/arm/interface/efi/efiarm_nap.c +++ b/src/arch/arm/interface/efi/efiarm_nap.c @@ -46,8 +46,12 @@ static void efiarm_cpu_nap ( void ) { * The EFI shell doesn't seem to bother sleeping the CPU; it * just sits there idly burning power. * + * If a shutdown is in progess, there may be nothing to + * generate an interrupt since the timer is disabled in the + * first step of ExitBootServices(). */ - __asm__ __volatile__ ( "wfi" ); + if ( ! efi_shutdown_in_progress ) + __asm__ __volatile__ ( "wfi" ); } PROVIDE_NAP ( efiarm, cpu_nap, efiarm_cpu_nap ); |