linux-kernel - Re: [PATCH v14 01/11] bitops: Introduce the for_each_set

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Date:   Thu, 16 May 2019 13:50:26 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-arch@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Phil Reid <preid@...ctromag.com.au>,
        Lukas Wunner <lukas@...ner.de>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v14 01/11] bitops: Introduce the for_each_set_clump8 macro

On Fri, Mar 29, 2019 at 4:03 AM William Breathitt Gray
<vilhelm.gray@...il.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@...il.com>
> Suggested-by: Rasmus Villemoes <linux@...musvillemoes.dk>
> Suggested-by: Lukas Wunner <lukas@...ner.de>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Acked-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij