linux-kernel - Re: [PATCH v7 0/4] Introduce the for_each_set

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Message-ID: <CAMpxmJUrC270rgWcADYruqA_qVeh9-N8mCVPWgJkL-8kU2bO1A@mail.gmail.com>
Date:   Mon, 25 May 2020 11:36:35 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Syed Nayyar Waris <syednwaris@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        William Breathitt Gray <vilhelm.gray@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Arnd Bergmann <arnd@...db.de>, rrichter@...vell.com,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        linux-arch@...r.kernel.org,
        linux-gpio <linux-gpio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-pm <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v7 0/4] Introduce the for_each_set_clump macro

niedz., 24 maj 2020 o 07:00 Syed Nayyar Waris <syednwaris@...il.com> napisał(a):
>
> Hello Linus,
>
> Since this patchset primarily affects GPIO drivers, would you like
> to pick it up through your GPIO tree?
>
> This patchset introduces a new generic version of for_each_set_clump.
> The previous version of for_each_set_clump8 used a fixed size 8-bit
> clump, but the new generic version can work with clump of any size but
> less than or equal to BITS_PER_LONG. The patchset utilizes the new macro
> in several GPIO drivers.
>
> The earlier 8-bit for_each_set_clump8 facilitated a
> for-loop syntax that iterates over a memory region entire groups of set
> bits at a time.
>

The GPIO part looks good to me. Linus: how do we go about merging it
given the bitops dependency?

Bart