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arm64: FIQs are unused

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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>
This commit is contained in:
Nicolas Pitre 2014-01-29 18:00:45 +00:00 committed by Catalin Marinas
parent 812944e91d
commit f864b61ee4
2 changed files with 0 additions and 8 deletions
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6
arch/arm64/kernel/process.c
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@ -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)

2
arch/arm64/kernel/smp.c
View File

@ -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)