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From: Javier Martinez Canillas <javierm@redhat.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Linux Fbdev development list" <linux-fbdev@vger.kernel.org>,
	"Maxime Ripard" <maxime@cerno.tech>,
	"Daniel Vetter" <daniel.vetter@ffwll.ch>,
	"DRI Development" <dri-devel@lists.freedesktop.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"Sam Ravnborg" <sam@ravnborg.org>,
	"Noralf Trønnes" <noralf@tronnes.org>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"David Airlie" <airlied@linux.ie>,
	"Lee Jones" <lee.jones@linaro.org>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Linux PWM List" <linux-pwm@vger.kernel.org>
Subject: Re: [PATCH v4 3/6] drm: Add driver for Solomon SSD130x OLED displays
Date: Fri, 11 Feb 2022 13:27:12 +0100	[thread overview]
Message-ID: <5b451266-0217-fc4c-794b-453c4e6439f6@redhat.com> (raw)
In-Reply-To: <CAMuHMdVLmUwgCWui4OiZqvqpVWzA-d9QhjZLa_idgC19XeEEjA@mail.gmail.com>

Hello Geert,

On 2/11/22 13:23, Geert Uytterhoeven wrote:

[snip]

>>>> +    if (IS_ERR(bl)) {
>>>
>>>> +            ret = PTR_ERR(bl);
>>>> +            dev_err_probe(dev, ret, "Unable to register backlight device\n");
>>>> +            return ERR_PTR(ret);
>>>
>>>               dev_err_probe(dev, PTR_ERR(bl), "Unable to register backlight device\n");
>>>               return bl;
>>>
>>> ?
>>
>> No, because this function's return value is a struct ssd130x_device pointer,
>> not a struct backlight_device pointer.
> 
> Hence
> 
>     return ERR_PTR(dev_err_probe(dev, PTR_ERR(bl),
>                                  "Unable to register backlight device\n"));
> 
> ?
> 

Thanks, that would work.

Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat


  reply	other threads:[~2022-02-11 12:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-11  9:19 [PATCH v4 0/6] drm: Add driver for Solomon SSD130x OLED displays Javier Martinez Canillas
2022-02-11  9:19 ` [PATCH v4 3/6] " Javier Martinez Canillas
2022-02-11 11:33   ` Andy Shevchenko
2022-02-11 12:05     ` Javier Martinez Canillas
2022-02-11 12:23       ` Geert Uytterhoeven
2022-02-11 12:27         ` Javier Martinez Canillas [this message]
2022-02-11 15:49       ` Andy Shevchenko
2022-02-11 12:44   ` Thomas Zimmermann

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