On Mon, 11 Jul 2022 at 14:22, Robert Marko <robimarko@xxxxxxxxx> wrote:
>
> While fixing up the driver I noticed that my IPQ8074 board was hanging
> after CPUFreq switched the frequency during boot, WDT would eventually
> reset it.
>
> So mark apcs_alias0_core_clk as critical since its the clock feeding the
> CPU cluster and must never be disabled.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> Fixes: 5e77b4ef1b19 ("clk: qcom: Add ipq6018 apss clock controller")
> Signed-off-by: Robert Marko <robimarko@xxxxxxxxx>
> ---
> drivers/clk/qcom/apss-ipq6018.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/qcom/apss-ipq6018.c b/drivers/clk/qcom/apss-ipq6018.c
> index be952d417ded..f2f502e2d5a4 100644
> --- a/drivers/clk/qcom/apss-ipq6018.c
> +++ b/drivers/clk/qcom/apss-ipq6018.c
> @@ -56,7 +56,7 @@ static struct clk_branch apcs_alias0_core_clk = {
> .parent_hws = (const struct clk_hw *[]){
> &apcs_alias0_clk_src.clkr.hw },
> .num_parents = 1,
> - .flags = CLK_SET_RATE_PARENT,
> + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
> .ops = &clk_branch2_ops,
> },
> },
> --
> 2.36.1
>
--
With best wishes
Dmitry
