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Commit f864b61e authored by Nicolas Pitre's avatar Nicolas Pitre Committed by Catalin Marinas
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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: default avatarNicolas Pitre <nico@linaro.org>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 812944e9

arch/arm64/kernel/process.c

+0 −6
Original line number Diff line number Diff line
@@ -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)

arch/arm64/kernel/smp.c

+0 −2
Original line number Diff line number Diff line
@@ -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)