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authorNicolas Pitre <nicolas.pitre@linaro.org>2014-01-29 18:00:45 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2014-01-30 13:51:43 +0000
commitf864b61ee49bbf3faf9a10b9770c719536328d01 (patch)
tree240ec1b80c1a986cc0d6fbaa7be06d2183877361 /arch
parent812944e91dbbfeadaeeb4443a5560a7f45648f0b (diff)
downloadlinux-linaro-stable-f864b61ee49bbf3faf9a10b9770c719536328d01.tar.gz
arm64: FIQs are unused
So any FIQ handling is superfluous at the moment. The functions to disable/enable FIQs is kept around if ever someone needs them in the future, but existing calling sites including arch_cpu_idle_prepare() may go for now. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/kernel/process.c6
-rw-r--r--arch/arm64/kernel/smp.c2
2 files changed, 0 insertions, 8 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 248a15db37f2..1c0a9be2ffa8 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -85,11 +85,6 @@ EXPORT_SYMBOL_GPL(pm_power_off);
void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
EXPORT_SYMBOL_GPL(arm_pm_restart);
-void arch_cpu_idle_prepare(void)
-{
- local_fiq_enable();
-}
-
/*
* This is our default idle handler.
*/
@@ -138,7 +133,6 @@ void machine_restart(char *cmd)
/* Disable interrupts first */
local_irq_disable();
- local_fiq_disable();
/* Now call the architecture specific reboot code. */
if (arm_pm_restart)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 1b7617ab499b..7cfb92a4ab66 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -161,7 +161,6 @@ asmlinkage void secondary_start_kernel(void)
complete(&cpu_running);
local_irq_enable();
- local_fiq_enable();
local_async_enable();
/*
@@ -495,7 +494,6 @@ static void ipi_cpu_stop(unsigned int cpu)
set_cpu_online(cpu, false);
- local_fiq_disable();
local_irq_disable();
while (1)