linux-kernel - Re: [PATCH v9 9/9] gpio: uniphier: Utilize for_each_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 12 Mar 2019 09:17:46 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     William Breathitt Gray <vilhelm.gray@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v9 9/9] gpio: uniphier: Utilize for_each_set_clump8 macro

On Tue, Mar 12, 2019 at 6:40 AM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> On Sun, Mar 3, 2019 at 4:51 PM William Breathitt Gray
> <vilhelm.gray@...il.com> wrote:
> >
> > Replace verbose implementation in set_multiple callback with
> > for_each_set_clump8 macro to simplify code and improve clarity. An
> > improvement in this case is that banks that are not masked will now be
> > skipped.

> Please do not do this.
>
> Nothing in this driver says the GPIO width is 8-bit.

Huh?

https://elixir.bootlin.com/linux/latest/source/include/dt-bindings/gpio/uniphier-gpio.h#L9

Isn't a hardcoding?

-- 
With Best Regards,
Andy Shevchenko