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| author |   Santosh Shilimkar <santosh.shilimkar@ti.com> | 2010-08-02 13:18:19 +0300 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2010-08-02 13:18:19 +0300 |
| commit | 7d35b8d09fb0cb0a89c8c265a5bfb52c2867b1d5 (patch) | |
| tree | 1086c9e507b3565563bede1498487e30b7c3c1b3 /arch/arm/mach-omap2/omap-smp.c | |
| parent | omap4: Add smc API to read AuxCoreBoot0 register (diff) | |
| download | linux-dev-7d35b8d09fb0cb0a89c8c265a5bfb52c2867b1d5.tar.xz linux-dev-7d35b8d09fb0cb0a89c8c265a5bfb52c2867b1d5.zip | |
omap4: hotplug: Add basic CPU hotplug support
This patch adds cpu hotplug support for OMAP4430. Only CPU inactive
state is supported as a low power state in the basic hot-plug support
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap-smp.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap-smp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 1cf52313759e..af3c20c8d3f9 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -73,9 +73,10 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) * the AuxCoreBoot1 register is updated with cpu state * A barrier is added to ensure that write buffer is drained */ - omap_modify_auxcoreboot0(0x200, 0x0); + omap_modify_auxcoreboot0(0x200, 0xfffffdff); flush_cache_all(); smp_wmb(); + smp_cross_call(cpumask_of(cpu)); /* * Now the secondary core is starting up let it run its |