diff options
| author | Soren Brinkmann <soren.brinkmann@xilinx.com> | 2014-09-02 14:19:12 -0700 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2014-09-16 12:55:09 +0200 |
| commit | 50c7960a4517d6c93226351cd8c43c86f104c919 (patch) | |
| tree | 354342e21f9dfc23fe2d0412f4df7dc3301e928e /arch/arm/mach-zynq/hotplug.c | |
| parent | 18aebf116b494101841f109f07e0d6a0aad9a46e (diff) | |
ARM: zynq: Synchronise zynq_cpu_die/kill
Avoid races and add synchronisation between the arch specific
kill and die routines.
The same synchronisation issue was fixed on IMX platform
by this commit:
"ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill"
(sha1: 2f3edfd7e27ad4206acbc2ae99c9df5f46353024)
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/arm/mach-zynq/hotplug.c')
| -rw-r--r-- | arch/arm/mach-zynq/hotplug.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/hotplug.c b/arch/arm/mach-zynq/hotplug.c index 366f46c9136..fe44a05677e 100644 --- a/arch/arm/mach-zynq/hotplug.c +++ b/arch/arm/mach-zynq/hotplug.c @@ -19,6 +19,8 @@ */ void zynq_platform_cpu_die(unsigned int cpu) { + zynq_slcr_cpu_state_write(cpu, true); + /* * there is no power-control hardware on this platform, so all * we can do is put the core into WFI; this is safe as the calling |