On Tue, 10 Nov 2020, Enric Balletbo i Serra wrote: > This adds syscon_regmap_lookup_by_phandle_optional() function to get an > optional regmap. > > It behaves the same as syscon_regmap_lookup_by_phandle() except where > there is no regmap phandle. In this case, instead of returning -ENODEV, > the function returns NULL. This makes error checking simpler when the > regmap phandle is optional. > > Suggested-by: Nicolas Boichat <drink...@chromium.org> > Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com> > Reviewed-by: Matthias Brugger <matthias....@gmail.com> > --- > > Changes in v2: > - Add Matthias r-b tag. > - Add the explanation from the patch description to the code. > - Return NULL instead of -ENOTSUPP when regmap helpers are not enabled. > > drivers/mfd/syscon.c | 18 ++++++++++++++++++ > include/linux/mfd/syscon.h | 11 +++++++++++ > 2 files changed, 29 insertions(+)
Applied, thanks. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
