Re: [U-Boot] [PATCH] mx7: psci: add cpu hotplug support

2018-05-27 Thread Anson Huang
Since I added system suspend/resume based on this patch, so I send out the patch set of system suspend resume including this patch, so you can ignore this thread and just review the patch set (4 patches), thanks. Sent [PATCH 1/4] mx7: psci: add cpu hotplug support Sent [PATCH 2/4] imx: mx7: add

[U-Boot] [PATCH] mx7: psci: add cpu hotplug support

2018-05-24 Thread Anson Huang
This patch adds cpu hotplug support, previous imx_cpu_off implementation is NOT safe, a CPU can NOT power down itself in runtime, it will cause system bus hang due to pending transaction. So need to use other online CPU to kill it when it is ready for killed. Here use SRC parameter register and a