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c6x: Use generic idle loop
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Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Paul McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Reviewed-by: Cc: Srivatsa S. Bhat <[email protected]>
Cc: Magnus Damm <[email protected]>
Cc: Mark Salter <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
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KAGA-KOKO committed Apr 8, 2013
1 parent 25d67f8 commit e46746c
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Showing 2 changed files with 2 additions and 27 deletions.
1 change: 1 addition & 0 deletions arch/c6x/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ config C6X
select OF_EARLY_FLATTREE
select GENERIC_CLOCKEVENTS
select MODULES_USE_ELF_RELA
select GENERIC_IDLE_LOOP

config MMU
def_bool n
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28 changes: 1 addition & 27 deletions arch/c6x/kernel/process.c
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ extern asmlinkage void ret_from_kernel_thread(void);
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);

static void c6x_idle(void)
void arch_cpu_idle(void)
{
unsigned long tmp;

Expand All @@ -49,32 +49,6 @@ static void c6x_idle(void)
: "=b"(tmp));
}

/*
* The idle loop for C64x
*/
void cpu_idle(void)
{
/* endless idle loop with no priority at all */
while (1) {
tick_nohz_idle_enter();
rcu_idle_enter();
while (1) {
local_irq_disable();
if (need_resched()) {
local_irq_enable();
break;
}
c6x_idle(); /* enables local irqs */
}
rcu_idle_exit();
tick_nohz_idle_exit();

preempt_enable_no_resched();
schedule();
preempt_disable();
}
}

static void halt_loop(void)
{
printk(KERN_EMERG "System Halted, OK to turn off power\n");
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