On Thu, Apr 6, 2023, at 16:30, Thomas Zimmermann wrote: > Generic implementations of fb_pgprotect() and fb_is_primary_device() > have been in the source code for a long time. Prepare the header file > to make use of them. > > Improve the code by using an inline function for fb_pgprotect() > and by removing include statements. The default mode set by > fb_pgprotect() is now writecombine, which is what most platforms > want. > > Symbols are protected by preprocessor guards. Architectures that > provide a symbol need to define a preprocessor token of the same > name and value. Otherwise the header file will provide a generic > implementation. This pattern has been taken from <asm/io.h>. > > v2: > * use writecombine mappings by default (Arnd) > > Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
