linux-kernel - Re: [PATCH v1 2/3] drm/panel: ili9341: Respect deferred probe

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Message-ID: <aaizdoc5ct4ktn3owbg4woexenao4h6kgn6chg5mjusm4aoy5i@ajwvvl2tzknt>
Date: Tue, 30 Apr 2024 13:21:52 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, 
	Randy Dunlap <rdunlap@...radead.org>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH v1 2/3] drm/panel: ili9341: Respect deferred probe

On Thu, Apr 25, 2024 at 05:26:18PM +0300, Andy Shevchenko wrote:
> GPIO controller might not be available when driver is being probed.
> There are plenty of reasons why, one of which is deferred probe.
> 
> Since GPIOs are optional, return any error code we got to the upper
> layer, including deferred probe. With that in mind, use dev_err_probe()
> in order to avoid spamming the logs.
> 
> Fixes: 5a04227326b0 ("drm/panel: Add ilitek ili9341 panel driver")
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>


-- 
With best wishes
Dmitry