Best Regards! Anson Huang
> -----Original Message----- > From: Fabio Estevam [mailto:[email protected]] > Sent: 2016-08-26 8:43 PM > To: Yongcai Huang <[email protected]> > Cc: [email protected]; [email protected]; linux- > kernel <[email protected]>; Mark Rutland > <[email protected]>; Russell King - ARM Linux <[email protected]>; > [email protected]; Sascha Hauer <[email protected]>; Fabio Estevam > <[email protected]>; Shawn Guo <[email protected]> > Subject: Re: [PATCH 0/3] Add SMP support for i.MX7D > > Hi Anson, > > On Fri, Aug 26, 2016 at 8:12 AM, Anson Huang <[email protected]> wrote: > > i.MX7D has 2 Cortex-A7 ARM cores, and it has a different GPC design > > than i.MX6, so this patch set adds a new GPCV2 driver for i.MX7D, and > > also adds runtime check in SMP code to support both Cortex-A9 and > > Cortex-A7 ARM cores. > > > > With this patch set, i.MX7D can boot up SMP kernel with 2 CPUs. > > Currently mx7d can boot the 2 CPUs if you use PSCI in the bootloader. > > Give mainline U-Boot a try and it will boot the 2 CPUs via PSCI. > > There was an attempt to add gpcv2 support at: > https://patchwork.kernel.org/patch/6919831/ > > , and Shawn suggested to go to the PSCI approach. > > PSCI for mx7 is still missing suspend support though. > > Regards, > > Fabio Estevam Thanks Fabio for the info, OK, now that i.MX7D goes with PSCI, then please Ignore this patch set, and I will add suspend support later. Please ignore this Patch set. For the suggestion of replace cpu_is_xxx with soc_is_xxx by Russell King, I will Send another patch to improve that. Anson.
