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SubjectRe: [PATCH 10/33] fbcon: call fbcon_fb_(un)registered directly
Hi Daniel.

While browsing this nice patch series I stumbled upon a detail.

On Mon, May 20, 2019 at 10:21:53AM +0200, Daniel Vetter wrote:
> With
>
> commit 6104c37094e729f3d4ce65797002112735d49cd1
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Tue Aug 1 17:32:07 2017 +0200
>
> fbcon: Make fbcon a built-time depency for fbdev
>
> we have a static dependency between fbcon and fbdev, and we can
> replace the indirection through the notifier chain with a function
> call.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: "Noralf Trønnes" <noralf@tronnes.org>
> Cc: Yisheng Xie <ysxie@foxmail.com>
> Cc: Peter Rosin <peda@axentia.se>
> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Mikulas Patocka <mpatocka@redhat.com>
> Cc: linux-fbdev@vger.kernel.org
> ---
> diff --git a/include/linux/fb.h b/include/linux/fb.h
> index f52ef0ad6781..701abaf79c87 100644
> --- a/include/linux/fb.h
> +++ b/include/linux/fb.h
> @@ -136,10 +136,6 @@ struct fb_cursor_user {
> #define FB_EVENT_RESUME 0x03
> /* An entry from the modelist was removed */
> #define FB_EVENT_MODE_DELETE 0x04
> -/* A driver registered itself */
> -#define FB_EVENT_FB_REGISTERED 0x05
> -/* A driver unregistered itself */
> -#define FB_EVENT_FB_UNREGISTERED 0x06
> /* CONSOLE-SPECIFIC: get console to framebuffer mapping */
> #define FB_EVENT_GET_CONSOLE_MAP 0x07
> /* CONSOLE-SPECIFIC: set console to framebuffer mapping */

This breaks build of arch/arm/mach-pxa/am200epd.c thats uses
FB_EVENT_FB_*REGISTERED:


if (event == FB_EVENT_FB_REGISTERED)
return am200_share_video_mem(info);
else if (event == FB_EVENT_FB_UNREGISTERED)
return am200_unshare_video_mem(info);


Found while grepping for "FB_EVENT" so this is not a build
error I triggered.

Sam

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