Re: [PATCH v13 6/8] clk: qcom: cpu-8996: Add support to switch to alternate PLL

Stephen Boyd
2018-10-17T15:32:07Z

Quoting ilia.lin@gmail.com (2018-06-14 14:53:53)
> @@ -227,6 +232,26 @@ clk_cpu_8996_mux_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
> return 0;
> }
>
> +int cpu_clk_notifier_cb(struct notifier_block *nb, unsigned long event,

static? And name it something like clk_cpu_8996_notifier?

> + void *data)
> +{
> + int ret;
> + struct clk_cpu_8996_mux *cpuclk = to_clk_cpu_8996_mux_nb(nb);
> +
> + switch (event) {
> + case PRE_RATE_CHANGE:
> + ret = clk_cpu_8996_mux_set_parent(&cpuclk->clkr.hw, ALT_INDEX);
> + break;
> + case POST_RATE_CHANGE:
> + ret = clk_cpu_8996_mux_set_parent(&cpuclk->clkr.hw, PLL_INDEX);
> + break;
> + default:
> + ret = 0;
> + break;
> + }
> +
> + return notifier_from_errno(ret);
> +};