Messages in this thread | | | From | Linus Walleij <> | Date | Fri, 8 Mar 2019 09:31:00 +0100 | Subject | Re: [PATCH v9 1/9] bitops: Introduce the for_each_set_clump8 macro |
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On Sun, Mar 3, 2019 at 8:47 AM William Breathitt Gray <vilhelm.gray@gmail.com> wrote:
> This macro iterates for each 8-bit group of bits (clump) with set bits, > within a bitmap memory region. For each iteration, "start" is set to the > bit offset of the found clump, while the respective clump value is > stored to the location pointed by "clump". Additionally, the > bitmap_get_value8 and bitmap_set_value8 functions are introduced to > respectively get and set an 8-bit value in a bitmap memory region. > > Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> > Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Andrew Morton <akpm@linux-foundation.org> > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Andrew: would you be OK with this being merged in v5.1?
If we need to move the code to drivers/gpio that's OK (though I think it's generally useful) but I need to know to proceed with the William's nice optimization of these drivers.
Yours, Linus Walleij
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