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>
