This series makes CONFIG_FB_DEVICE optional for fbdev drivers that use
it only for sysfs interfaces, addressing Thomas Zimmermann’s TODO to
remove hard FB_DEVICE dependencies.

The series introduces a small helper, dev_of_fbinfo(), which returns
NULL when CONFIG_FB_DEVICE=n. This allows sysfs code paths to be skipped
via runtime checks, avoids #ifdef CONFIG_FB_DEVICE clutter, and keeps
full compile-time syntax checking.

Changes in v2:
Add dev_of_fbinfo() helper (suggested by Geert Uytterhoeven)
Replace #ifdef CONFIG_FB_DEVICE blocks with runtime NULL checks
Switch to fb_dbg() / fb_info() logging (suggested by Thomas Zimmermann)

Chintan Patel (4):
  fb: Add dev_of_fbinfo() helper for optional sysfs support
  staging: fbtft: Make FB_DEVICE dependency optional
  fbdev: omapfb: Make FB_DEVICE dependency optional
  fbdev: sh_mobile_lcdc: Make FB_DEVICE dependency optional

 drivers/staging/fbtft/Kconfig                  |  5 ++++-
 drivers/staging/fbtft/fbtft-sysfs.c            | 18 ++++++++++++++----
 drivers/video/fbdev/omap2/omapfb/Kconfig       |  3 ++-
 .../video/fbdev/omap2/omapfb/omapfb-sysfs.c    | 16 ++++++++++++----
 drivers/video/fbdev/sh_mobile_lcdcfb.c         |  9 +++++++++
 include/linux/fb.h                             |  9 +++++++++
 6 files changed, 50 insertions(+), 10 deletions(-)

-- 
2.43.0

On Fri, Dec 19, 2025 at 7:43 AM Chintan Patel <chintanlike@gmail.com> wrote:
>
> This series makes CONFIG_FB_DEVICE optional for fbdev drivers that use
> it only for sysfs interfaces, addressing Thomas Zimmermann’s TODO to
> remove hard FB_DEVICE dependencies.
>
> The series introduces a small helper, dev_of_fbinfo(), which returns
> NULL when CONFIG_FB_DEVICE=n. This allows sysfs code paths to be skipped
> via runtime checks, avoids #ifdef CONFIG_FB_DEVICE clutter, and keeps
> full compile-time syntax checking.

Please, address my comments and I give a tag for v3. I pretty much
like the series, thanks!

-- 
With Best Regards,
Andy Shevchenko