Quoting Anson Huang (2019-02-13 17:54:08) > On NXP's i.MX SoCs with system controller inside, CPU frequency > scaling can ONLY be done by system controller firmware, and it > can ONLY be requested from secure mode, so Linux kernel has to > call ARM SMC to trap to ARM-Trusted-Firmware to request system > controller firmware to do CPU frequency scaling. > > This patch adds i.MX system controller CPU frequency scaling support, > it reuses cpufreq-dt driver and implement the CPU frequency scaling > inside SCU clock driver. > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > --- > Changes since V3: > - use different clk ops for CPU clock to avoid runtime check in clk_set_rate; > - use rsrc_id to determine whether it is CPU frequency change and also to get > cluster ID for SMC call. This directly conflicts with a patch to add get/set parent support from Aisheng Dong. Can you please work together and rebase the patch on top of that patch (which is in clk-next) and resend this?
