linux-kernel - Re: [PATCH 4/8] drm/panel: ilitek-ili9882t: If prepare fails, disable GPIO before regulators

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Message-ID: <6zzgvutlhm6wg6y3rj6fgcbiwl4rxy4wbjsocxezirhtafw24y@kakchlwtlybg>
Date: Mon, 20 May 2024 01:26:56 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Douglas Anderson <dianders@...omium.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Cong Yang <yangcong5@...qin.corp-partner.google.com>, 
	Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...il.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/8] drm/panel: ilitek-ili9882t: If prepare fails,
 disable GPIO before regulators

On Fri, May 17, 2024 at 02:36:39PM -0700, Douglas Anderson wrote:
> The enable GPIO should clearly be set low before turning off
> regulators. That matches both the inverse order that things were
> enabled and also the order in unprepare().
> 
> Fixes: e2450d32e5fb ("drm/panel: ili9882t: Break out as separate driver")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> 
>  drivers/gpu/drm/panel/panel-ilitek-ili9882t.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

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

-- 
With best wishes
Dmitry