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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-03-21 22:49:42 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-08 17:39:24 +0200 |
| commit | e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea (patch) | |
| tree | e6b04afdfc45556ba2617068265c3101aba189cc /arch/c6x | |
| parent | 25d67f860f3a29d216f8206092a284cacbc6127e (diff) | |
| download | linux-stable-e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea.tar.gz linux-stable-e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea.tar.bz2 linux-stable-e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea.zip | |
c6x: Use generic idle loop
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Mark Salter <msalter@redhat.com>
Link: http://lkml.kernel.org/r/20130321215234.087033904@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/c6x')
| -rw-r--r-- | arch/c6x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/c6x/kernel/process.c | 28 |
2 files changed, 2 insertions, 27 deletions
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index f6a3648f5ec3..af2aa4b44140 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -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 diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c index 6434df476f77..57d2ea8d1977 100644 --- a/arch/c6x/kernel/process.c +++ b/arch/c6x/kernel/process.c @@ -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; @@ -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"); |