On Mon, Apr 10, 2017 at 11:59 PM, Dong Aisheng <dongas86@xxxxxxxxx> wrote: > This is caused by ahb_root_clk gets disabled accidently and system hangs. > > Because this patch defines ipg_root_clk earlier before its parent > (ahb_root_clk) got registered, then it will be marked as a orphan clk > temporarily. Until the parent ahb_root_clk got registered, the clk core > will reparent it to the newly found parent. (see __clk_core_init() function). > > Due to CLK_SET_RATE_PARENT flag, the ahb clk will be enabled during > set_parent operation and then disabled after that. > Then system hang cause we still get no chance to run init_on clks. > > I just send out a proper fix patch with correct register sequence. Excellent, thanks! -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
