Re: [U-Boot] [PATCH v3 1/4] sun7i: Add support for taking CPUs offline via PSCI

7 Jan 2015


      On Wed, 2014-12-31 at 13:46 +0100, Jan Kiszka wrote:
...
From: Jan Kiszka jan.kiszka@siemens.com
Based on the original version by Marc Zyngier. It adds a psci_cpu_off
implementation for the A20 SoC. The mechanism works by first preparing
the calling CPU to go offline (disable and flush cache, disable SMP),
then requesting CPU 0 to pull the plug. The request is sent as FIQ on
SGI15.
Signed-off-by: Jan Kiszka jan.kiszka@siemens.com
Acked-by: Ian Campbell ijc@hellion.org.uk