linux-kernel - Re: [PATCH] clk: imx: imx8: Add .name for "acm_aud_clk0_sel" and "acm_aud_clk1

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Message-ID: <232c2342061b17b9f750c4ad52b0766e.sboyd@kernel.org>
Date: Mon, 08 Jul 2024 15:45:40 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Shengjiu Wang <shengjiu.wang@....com>, abelvesa@...nel.org, festevam@...il.com, imx@...ts.linux.dev, kernel@...gutronix.de, mturquette@...libre.com, peng.fan@....com, s.hauer@...gutronix.de, shawnguo@...nel.org, shengjiu.wang@...il.com
Cc: linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: imx: imx8: Add .name for "acm_aud_clk0_sel" and "acm_aud_clk1_sel"

Quoting Shengjiu Wang (2024-07-03 01:52:51)
> "acm_aud_clk0_sel" and "acm_aud_clk1_sel" are registered by this ACM
> driver, but they are the parent clocks for other clocks, in order to
> use assigned-clock-parents in device tree, they need to have the
> global name.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
> ---
>  drivers/clk/imx/clk-imx8-acm.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
> index 1bdb480cc96c..a1affcf6daff 100644
> --- a/drivers/clk/imx/clk-imx8-acm.c
> +++ b/drivers/clk/imx/clk-imx8-acm.c
> @@ -114,8 +114,8 @@ static const struct clk_parent_data imx8qm_mclk_out_sels[] = {
>  static const struct clk_parent_data imx8qm_mclk_sels[] = {
>         { .fw_name = "aud_pll_div_clk0_lpcg_clk" },
>         { .fw_name = "aud_pll_div_clk1_lpcg_clk" },
> -       { .fw_name = "acm_aud_clk0_sel" },
> -       { .fw_name = "acm_aud_clk1_sel" },
> +       { .fw_name = "acm_aud_clk0_sel", .name = "acm_aud_clk0_sel" },
> +       { .fw_name = "acm_aud_clk1_sel", .name = "acm_aud_clk1_sel" },

This doesn't make any sense. Why are we adding fallback names?  Is
"acm_aud_clk0_sel" not part of the DT binding for this clk controller?