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authorThierry Reding <treding@nvidia.com>2015-02-23 17:24:11 +0300
committerThierry Reding <treding@nvidia.com>2015-08-13 17:51:28 +0300
commitfc0cf1773434c153a831067a29935e4627803583 (patch)
tree46adff56f8082122ce49562ec2cf2aded80f64dc /arch/arm/mach-tegra
parent592431b0369dc7a1f4a68f15ff0c48d94b66297f (diff)
downloadlinux-fc0cf1773434c153a831067a29935e4627803583.tar.xz
ARM: tegra: Disable cpuidle if PSCI is available
This is only relevant on Tegra114 and Tegra124, because earlier Tegra generations used Cortex-A9 without secure extensions. Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra114.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c
index 155807fa6fdd..bc00dd4a6fb2 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra114.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra114.c
@@ -24,6 +24,7 @@
#include <asm/cpuidle.h>
#include <asm/smp_plat.h>
#include <asm/suspend.h>
+#include <asm/psci.h>
#include "pm.h"
#include "sleep.h"
@@ -84,5 +85,8 @@ static struct cpuidle_driver tegra_idle_driver = {
int __init tegra114_cpuidle_init(void)
{
- return cpuidle_register(&tegra_idle_driver, NULL);
+ if (!psci_smp_available())
+ return cpuidle_register(&tegra_idle_driver, NULL);
+
+ return 0;
}