From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Richard Zhao <richard.zhao-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: b20223-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
r64343-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Mike Turquette <mturquette-l0cyMroinI0@public.gmane.org>
Subject: Re: [PATCH v2 1/2] pinctrl: pinctrl-imx: add support for set bits for general purpose registers
Date: Mon, 16 Jul 2012 13:40:17 +0000 [thread overview]
Message-ID: <201207161340.18528.arnd@arndb.de> (raw)
In-Reply-To: <20120716081703.GH21635-iWYTGMXpHj9ITqJhDdzsOjpauB2SiJktrE5yTffgRl4@public.gmane.org>
On Monday 16 July 2012, Richard Zhao wrote:
> > If you really wants a "funnel driver" doing all these diverse things,
> > I'd put it in drivers/mfd.
>
> It's like driver drivers/mfd/anatop-mfd.c. They both store misc bits.
> We may need a generic driver to simply provide register accessor.
We already have the "regmap" framework that deals with sets of registers
on spi, i2c or memory mapped buses. One thing I've thought about
before is to create some kind of very simple "system controller"
framework based on regmap that lets you register a single global
"struct regmap" pointer from an SoC specific driver, and have drivers
call a function into that framework to get a reference to that
regmap.
Arnd
next prev parent reply other threads:[~2012-07-16 13:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 9:07 [PATCH v2 1/2] pinctrl: pinctrl-imx: add support for set bits for general purpose registers Dong Aisheng
[not found] ` <1342084080-3145-1-git-send-email-b29396-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-07-12 9:08 ` [PATCH v2 2/2] pinctrl: pinctrl-imx6q: add missed mux function for USBOTG_ID Dong Aisheng
2012-07-12 9:31 ` [PATCH v2 1/2] pinctrl: pinctrl-imx: add support for set bits for general purpose registers Richard Zhao
2012-07-14 20:43 ` Linus Walleij
[not found] ` <CACRpkdbHtgKLA3JJxc4VY35zSpJFvk15u62Z3aBCqERoeQ10CA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-16 8:17 ` Richard Zhao
[not found] ` <20120716081703.GH21635-iWYTGMXpHj9ITqJhDdzsOjpauB2SiJktrE5yTffgRl4@public.gmane.org>
2012-07-16 13:40 ` Arnd Bergmann [this message]
[not found] ` <201207161340.18528.arnd-r2nGTMty4D4@public.gmane.org>
2012-07-16 22:15 ` Linus Walleij
2012-07-17 3:04 ` Dong Aisheng
2012-07-17 3:02 ` Dong Aisheng
[not found] ` <20120717030225.GF19699-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-07-17 18:15 ` Linus Walleij
[not found] ` <CACRpkdZei=U67wHQW6rKGkv0X10t4k+BEYE8uFZPbp-6Y60deQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-17 18:24 ` Mark Brown
2012-07-12 9:48 ` Hui Wang
[not found] ` <4FFE9D7E.1080302-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-07-12 10:24 ` Richard Zhao
2012-07-12 11:04 ` Dong Aisheng
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