> The name of clk_scaling_lock has explained everything, for the platform > which doesn't support load-based clk scaling, doesn't need to hold this > lock. > > Acked-by: Bean Huo <beanhuo@xxxxxxxxxx> Okay, thank you for your information. I still have no idea of why the lock is required for ufshcd_exec_dev_cmd from the UFS specification w/o any featuring.