Re: [PATCH 3/8] clk: meson: gxbb: migrate to the new parent description method

From: Jerome Brunet
Date: Thu Jul 25 2019 - 14:07:27 EST


On Mon 22 Jul 2019 at 11:54, Alexandre Mergnat <amergnat@xxxxxxxxxxxx> wrote:


> @@ -1592,13 +1737,29 @@ static struct clk_regmap gxbb_vid_pll_div = {
> .hw.init = &(struct clk_init_data) {
> .name = "vid_pll_div",
> .ops = &meson_vid_pll_div_ro_ops,
> - .parent_names = (const char *[]){ "hdmi_pll" },
> + .parent_data = &(const struct clk_parent_data) {
> + /*
> + * This clock is declared here for GXL and GXBB SoC, so
> + * we must use string name to set this parent to avoid
> + * pointer issue.
> + */

I don't really get the issue with this comment.

How about:

/*
* Note:
* gxl and gxbb have different hdmi_plls (with different struct clk_hw).
* We fallback to the global naming string mechanism so vid_pll_div picks
* up the appropriate one.
*/

> + .name = "hdmi_pll",
> + .index = -1,
> + },
> .num_parents = 1,
> .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> },
> };