linux-kernel - Re: Why do we need reset_control_get

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Message-ID: <1469797695.3012.48.camel@pengutronix.de>
Date:	Fri, 29 Jul 2016 15:08:15 +0200
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Axel Lin <axel.lin@...ics.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Lee Jones <lee.jones@...aro.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: Why do we need reset_control_get_optional() ?

Hi Masahiro,

Am Donnerstag, den 28.07.2016, 19:29 +0900 schrieb Masahiro Yamada:
[...]
> However, I think the following makes more sense:
> 
> 
> menuconfig RESET_CONTROLLER
>         bool "Reset Controller Support"
>         depends on (ARCH_HAS_RESET_CONTROLLER || COMPILE_TEST)
>         default y
>         help
>           Generic Reset Controller support.

That looks sensible to me. You'll only have to enable the reset
controller framework if either some enabled architecture has a reset
controller (in which case you want the driver for it to be activated by
default), or if you want to compile test some of the reset drivers.

regards
Philipp