Re: [PATCH treewide 2/5] clk: visconti: Make sure clk_init_data is fully initialized

From: Stephen Boyd

Date: Thu Aug 20 2026 - 01:57:12 EST


Quoting Geert Uytterhoeven (2026-08-19 12:05:16)
> 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.
>
> visconti_clk_register_gate() fills in init.parent_data, and assumes that
> init.parent_names is NULL. However, the latter in uninitialized, and
> thus may cause a crash.
>
> Make sure all members are fully initialized, to fix such bugs, and to
> avoid future breakage when converting drivers to a different method for
> specifying the parents.
>
> Fixes: b4cbe606dc3674b2 ("clk: visconti: Add support common clock driver and reset driver")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---

Applied to clk-next