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authorMarc Zyngier <marc.zyngier@arm.com>2011-09-08 08:15:22 -0400
committerArnd Bergmann <arnd@arndb.de>2012-09-13 09:35:49 -0400
commita17257322f5e6ca376c15908b55423369274fcad (patch)
treeeda0026c1ba985db6e9029d0d79d5f4ea5d86a9e /arch/arm/mach-tegra/hotplug.c
parent06915321e7935d2eb778f0a7f333b2603c1404df (diff)
ARM: SoC: convert Tegra to SMP operations
Convert Tegra to use struct smp_operations to provide its SMP and CPU hotplug operations. Tested on Harmony. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-tegra/hotplug.c')
-rw-r--r--arch/arm/mach-tegra/hotplug.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index d8dc9ddd6d18..2440705438f4 100644
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -87,17 +87,12 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
87 } 87 }
88} 88}
89 89
90int platform_cpu_kill(unsigned int cpu)
91{
92 return 1;
93}
94
95/* 90/*
96 * platform-specific code to shutdown a CPU 91 * platform-specific code to shutdown a CPU
97 * 92 *
98 * Called with IRQs disabled 93 * Called with IRQs disabled
99 */ 94 */
100void platform_cpu_die(unsigned int cpu) 95void __ref tegra_cpu_die(unsigned int cpu)
101{ 96{
102 int spurious = 0; 97 int spurious = 0;
103 98
@@ -116,12 +111,3 @@ void platform_cpu_die(unsigned int cpu)
116 if (spurious) 111 if (spurious)
117 pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious); 112 pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
118} 113}
119
120int platform_cpu_disable(unsigned int cpu)
121{
122 /*
123 * we don't allow CPU 0 to be shutdown (it is still too special
124 * e.g. clock tick interrupts)
125 */
126 return cpu == 0 ? -EPERM : 0;
127}