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Commit aba92c9e authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

unicore: Use generic idle loop 



Signed-off-by: default avatarThomas 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: default avatarCc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Link: http://lkml.kernel.org/r/20130321215235.415426466@linutronix.de


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 0dc8153c

arch/unicore32/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ config UNICORE32 
	select ARCH_WANT_FRAME_POINTERS

	select GENERIC_IOMAP

	select MODULES_USE_ELF_REL

	select GENERIC_IDLE_LOOP

	help

	  UniCore-32 is 32-bit Instruction Set Architecture,

	  including a series of low-power-consumption RISC chip

arch/unicore32/kernel/process.c

+3 −18
Original line number Diff line number Diff line
@@ -45,25 +45,10 @@ static const char * const processor_modes[] = { 
	"UK18", "UK19", "UK1A", "EXTN", "UK1C", "UK1D", "UK1E", "SUSR"

};



void cpu_idle(void)

void arch_cpu_idle(void)

{

	/* endless idle loop with no priority at all */

	while (1) {

		tick_nohz_idle_enter();

		rcu_idle_enter();

		while (!need_resched()) {

			local_irq_disable();

			stop_critical_timings();

	cpu_do_idle();

	local_irq_enable();

			start_critical_timings();

		}

		rcu_idle_exit();

		tick_nohz_idle_exit();

		preempt_enable_no_resched();

		schedule();

		preempt_disable();

	}

}



static char reboot_mode = 'h';