linux-kernel - Re: [PATCH v1 1/2] fbdev: ssd1307fb: Drop optional dependency

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Date:   Tue, 1 Nov 2022 16:30:53 +0100
From:   Helge Deller <deller@....de>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] fbdev: ssd1307fb: Drop optional dependency

On 11/1/22 16:09, Andy Shevchenko wrote:
> Only a single out of three devices need a PWM, so from driver it's
> optional. Moreover it's a single driver in the entire kernel that
> currently selects PWM. Unfortunately this selection is a root cause
> of the circular dependencies when we want to enable optional PWM
> for some other drivers that select GPIOLIB.
>
> Fixes: a2ed00da5047 ("drivers/video: add support for the Solomon SSD1307 OLED Controller")
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Both patches applied to fbdev git tree.

Thanks!
Helge

> ---
>   drivers/video/fbdev/Kconfig | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
> index a98987aa2784..b88d8bfe992e 100644
> --- a/drivers/video/fbdev/Kconfig
> +++ b/drivers/video/fbdev/Kconfig
> @@ -2218,7 +2218,6 @@ config FB_SSD1307
>   	select FB_SYS_COPYAREA
>   	select FB_SYS_IMAGEBLIT
>   	select FB_DEFERRED_IO
> -	select PWM
>   	select FB_BACKLIGHT
>   	help
>   	  This driver implements support for the Solomon SSD1307