On Thu, Jul 12, 2018 at 10:08:18AM +0200, Maxime Ripard wrote:
> When commit af11942ee44e ("drm/sun4i: tcon-top: Cleanup clock handling")
> was merged, the error handling path of the of_property_match_string was
> changed to take into account the fact that the returned value of that
> function wasn't an error pointer but an error code.
>
> Unfortunately, this introduced a warning since the now returned value is an
> integer, while the sun8i_tcon_top_register_gate function should return an
> error pointer.
>
> Fix that by calling ERR_PTR.
>
> Cc: Jernej Skrabec <jernej.skra...@siol.net>
> Cc: Chen-Yu Tsai <w...@csie.org>
> Fixes: af11942ee44e ("drm/sun4i: tcon-top: Cleanup clock handling")
> Reported-by: kbuild test robot <l...@intel.com>
> Reported-by: Stephen Rothwell <s...@canb.auug.org.au>
> Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
Matches at least the seamntics of the other returns afaics.
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> ---
> drivers/gpu/drm/sun4i/sun8i_tcon_top.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
> b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
> index 046f8dd66f90..55fe398d8290 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
> @@ -99,7 +99,7 @@ static struct clk_hw *sun8i_tcon_top_register_gate(struct
> device *dev,
>
> index = of_property_match_string(dev->of_node, "clock-names", parent);
> if (index < 0)
> - return index;
> + return ERR_PTR(index);
>
> parent_name = of_clk_get_parent_name(dev->of_node, index);
>
> --
> 2.17.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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