On Wed, Aug 31, 2022 at 9:57 PM Linus Walleij <linus.walleij@xxxxxxxxxx> 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: This might be a candidate for the arch tree as well, I have seen that most code merged into arch/sparc these days seem to come through other trees than the sparc tree, which has not been updated for 18 months. Yours, Linus Walleij