Commit-ID: 21ece92037fcc324d2e43dbd6b934983bfcd91cf
Gitweb: http://git.kernel.org/tip/21ece92037fcc324d2e43dbd6b934983bfcd91cf
Author: Nicolas Pitre <nicolas.pitre@xxxxxxxxxx>
AuthorDate: Mon, 17 Feb 2014 10:59:29 -0500
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 21 Feb 2014 21:43:21 +0100
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.
Cc: Paul Burton <paul.burton@xxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linaro-kernel@xxxxxxxxxxxxxxxx
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Nicolas Pitre <nico@xxxxxxxxxx>
Signed-off-by: Preeti U Murthy <preeti@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Deepthi Dharwar <deepthi@xxxxxxxxxxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-nr4mtbkkzf2oomaj85m24o7c@xxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/powerpc/platforms/powernv/setup.c | 13 +------------
drivers/cpuidle/cpuidle-powernv.c | 5 +++++
2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 110f4fb..81a7a0a 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -26,7 +26,6 @@
#include <linux/of_fdt.h>
#include <linux/interrupt.h>
#include <linux/bug.h>
-#include <linux/cpuidle.h>
#include <linux/pci.h>
#include <asm/machdep.h>
@@ -225,16 +224,6 @@ static int __init pnv_probe(void)
return 1;
}
-void powernv_idle(void)
-{
- /* Hook to cpuidle framework if available, else
- * call on default platform idle code
- */
- if (cpuidle_idle_call()) {
- power7_idle();
- }
-}
-
define_machine(powernv) {
.name = "PowerNV",
.probe = pnv_probe,
@@ -244,7 +233,7 @@ define_machine(powernv) {
.show_cpuinfo = pnv_show_cpuinfo,
.progress = pnv_progress,
.machine_shutdown = pnv_shutdown,
- .power_save = powernv_idle,
+ .power_save = power7_idle,
.calibrate_decr = generic_calibrate_decr,
.dma_set_mask = pnv_dma_set_mask,
#ifdef CONFIG_KEXEC
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index 78fd174..f48607c 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;
}
--
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