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| author |   Nicolas Pitre <nicolas.pitre@linaro.org> | 2014-02-17 10:59:29 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2014-02-22 18:18:01 +0100 |
| commit | 591ac0cb01ec8d0ff131a318f9b9abf6ecab6225 (patch) | |
| tree | 6a9e6acddabab7a6815365e0c87d3506000e1f3e /drivers/cpuidle/cpuidle-powernv.c | |
| parent | sched, nohz: Exclude isolated cores from load balancing (diff) | |
| download | linux-dev-591ac0cb01ec8d0ff131a318f9b9abf6ecab6225.tar.xz linux-dev-591ac0cb01ec8d0ff131a318f9b9abf6ecab6225.zip | |
cpuidle/powernv: Remove redundant cpuidle_idle_call()
The core idle loop now takes care of it. We need to add the runlatch
function calls to the idle routines which was earlier taken care of by
the arch specific idle routine.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Reviewed-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: linux-pm@vger.kernel.org
Cc: linaro-kernel@lists.linaro.org
Link: http://lkml.kernel.org/n/tip-nr4mtbkkzf2oomaj85m24o7c@git.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/cpuidle/cpuidle-powernv.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle-powernv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 78fd174c57e8..f48607cd2540 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -14,6 +14,7 @@ #include <asm/machdep.h> #include <asm/firmware.h> +#include <asm/runlatch.h> struct cpuidle_driver powernv_idle_driver = { .name = "powernv_idle", @@ -30,12 +31,14 @@ static int snooze_loop(struct cpuidle_device *dev, local_irq_enable(); set_thread_flag(TIF_POLLING_NRFLAG); + ppc64_runlatch_off(); while (!need_resched()) { HMT_low(); HMT_very_low(); } HMT_medium(); + ppc64_runlatch_on(); clear_thread_flag(TIF_POLLING_NRFLAG); smp_mb(); return index; @@ -45,7 +48,9 @@ static int nap_loop(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { + ppc64_runlatch_off(); power7_idle(); + ppc64_runlatch_on(); return index; } |