On Wed, Aug 31, 2022, at 9:55 PM, Linus Walleij wrote: > This enables the Sparc to use <asm-generic/io.h> to fill in the > missing (undefined) [read|write]sq I/O accessor functions. > > This is needed if Sparc[64] ever wants to uses CONFIG_REGMAP_MMIO > which has been patches to use accelerated _noinc accessors > such as readsq/writesq that Sparc64, while being a 64bit platform, > as of now not yet provide. > > 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. > Compile-tested on sparc32 and sparc64. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Link: > https://lore.kernel.org/linux-arm-kernel/202208201639.HXye3ke4-lkp@xxxxxxxxx/ > Cc: David S. Miller <davem@xxxxxxxxxxxxx> > Cc: sparclinux@xxxxxxxxxxxxxxx > Cc: linux-arch@xxxxxxxxxxxxxxx > Cc: Mark Brown <broonie@xxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > ChangeLog v1->v2: > - Move defines in proximity of defined functions > - Test compile also on sparc32 Applied to the asm-generic tree along with the alpha patch now. Arnd