On Tue, Sep 6, 2022, at 8:59 PM, Linus Walleij wrote: > This enables the alpha to use <asm-generic/io.h> to fill in the > missing (undefined) I/O accessor functions. > > This is needed if Alpha ever wants to uses CONFIG_REGMAP_MMIO > which has been patches to use accelerated _noinc accessors > such as readsq/writesq that Alpha, while being a 64bit platform, > as of now not yet provide. readq/writeq is however provided > so the machine can do 64bit I/O. > > This comes with the requirement that everything the architecture > already provides needs to be defined, rather than just being, > say, static inline functions. > > Bite the bullet and just provide the definitions and make it work. > > Some defines need to be piled right before the inclusion of > <asm-generic/io.h> due to the fact that alpha is including > <asm-generic/iomap.h> without selecting GENERIC_IOMAP. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Link: https://lore.kernel.org/linux-mm/202208181447.G9FLcMkI-lkp@xxxxxxxxx/ > Cc: Mark Brown <broonie@xxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Richard Henderson <richard.henderson@xxxxxxxxxx> > Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx> > Cc: Matt Turner <mattst88@xxxxxxxxx> > Cc: linux-arch@xxxxxxxxxxxxxxx > Cc: linux-alpha@xxxxxxxxxxxxxxx > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Applied to asm-generic tree, thanks Arnd
