Re: [PATCH v1 04/20] ARM: imx6q: use of_clk_get_by_name() instead of_clk_get() to get ptp clock

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Quoting Oleksij Rempel (2023-01-13 06:27:02)
> It is not clear from the code what clock should be taken. So, make sure it
> is readable and no other clock will be taken by accident.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
>  arch/arm/mach-imx/mach-imx6q.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
> index 7f6200925752..4885d3dfcf7f 100644
> --- a/arch/arm/mach-imx/mach-imx6q.c
> +++ b/arch/arm/mach-imx/mach-imx6q.c
> @@ -98,7 +98,7 @@ static void __init imx6q_1588_init(void)
>         if (!IS_ERR(fec_enet_ref))
>                 goto put_node;
>  
> -       ptp_clk = of_clk_get(np, 2);
> +       ptp_clk = of_clk_get_by_name(np, "ptp");

The 'clocks' property in DTS should not be reordered. Order matters in
the binding. This patch makes the code do a string comparison (or a
few?) in the name of readability. Perhaps make a #define for '2' like
CLOCKS_PTP_INDEX, or just don't change it because it ain't broke.




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