[PATCH 14/45] clk: ingenic: Make sure clk_init_data is fully initialized

Paul Cercueil paul at crapouillou.net
Fri Aug 21 03:57:09 PDT 2026


Hi Geert,

Le vendredi 21 août 2026 à 10:53 +0200, Geert Uytterhoeven a écrit :
> The clk_init_data structure contains several mutually-exclusive
> members
> for different methods to specify the possible parents of a clock,
> prompting drivers to initialize only the members they need.  However,
> not initializing all members may cause subtle issues, which are only
> exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE
> is
> enabled.
> 
> Make sure all members are fully initialized, to avoid such bugs, and
> to
> prevent future breakage when converting drivers to a different method
> for specifying the parents.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>

Acked-by: Paul Cercueil <paul at crapouillou.net>

Cheers,
-Paul

> ---
> Compile-tested only.
> ---
>  drivers/clk/ingenic/cgu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
> index 41e4c69131bd6ec7..ad223aa20e8db5a5 100644
> --- a/drivers/clk/ingenic/cgu.c
> +++ b/drivers/clk/ingenic/cgu.c
> @@ -644,8 +644,8 @@ static const struct clk_ops ingenic_clk_ops = {
>  static int ingenic_register_clock(struct ingenic_cgu *cgu, unsigned
> idx)
>  {
>  	const struct ingenic_cgu_clk_info *clk_info = &cgu-
> >clock_info[idx];
> -	struct clk_init_data clk_init;
>  	struct ingenic_clk *ingenic_clk = NULL;
> +	struct clk_init_data clk_init = {};
>  	struct clk *clk, *parent;
>  	const char *parent_names[4];
>  	unsigned caps, i, num_possible;



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