[patch 34/34] xtensa: Use generic idle loop

Thomas Gleixner
2013-03-21T21:53:29Z

[-- Attachment #1: xtensa-use-generic-idle-loop.patch --]
[-- Type: text/plain, Size: 1373 bytes --]

Unfortunately this arch does not compile at all :(

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Zankel <chris@zankel.net>
---
arch/xtensa/Kconfig | 1 +
arch/xtensa/kernel/process.c | 14 ++------------
2 files changed, 3 insertions(+), 12 deletions(-)

Index: linux-2.6/arch/xtensa/Kconfig
===================================================================
--- linux-2.6.orig/arch/xtensa/Kconfig
+++ linux-2.6/arch/xtensa/Kconfig
@@ -19,6 +19,7 @@ config XTENSA
select CLONE_BACKWARDS
select IRQ_DOMAIN
select HAVE_OPROFILE
+ select GENERIC_IDLE_LOOP
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
Index: linux-2.6/arch/xtensa/kernel/process.c
===================================================================
--- linux-2.6.orig/arch/xtensa/kernel/process.c
+++ linux-2.6/arch/xtensa/kernel/process.c
@@ -105,19 +105,9 @@ void coprocessor_flush_all(struct thread
/*
* Powermanagement idle function, if any is provided by the platform.
*/
-
-void cpu_idle(void)
+void arch_cpu_idle(void)
{
- local_irq_enable();
-
- /* endless idle loop with no priority at all */
- while (1) {
- rcu_idle_enter();
- while (!need_resched())
- platform_idle();
- rcu_idle_exit();
- schedule_preempt_disabled();
- }
+ platform_idle();
}

/*