linux-kernel - Re: [RFC PATCH 1/3] mfd: syscon: Add reg_update

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Date:   Thu, 9 Apr 2020 15:27:15 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Baolin Wang <baolin.wang7@...il.com>
Cc:     Lee Jones <lee.jones@...aro.org>, Arnd Bergmann <arnd@...db.de>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 1/3] mfd: syscon: Add reg_update_bits() callback
 support

On Thu, Apr 09, 2020 at 10:13:58PM +0800, Baolin Wang wrote:
> On Thu, Apr 9, 2020 at 6:48 PM Mark Brown <broonie@...nel.org> wrote:

> > > +     int (*reg_update_bits)(void *context, unsigned int reg,
> > > +                            unsigned int mask, unsigned int val);

> > This is fine, we already have this operation for buses, but why is this
> > munged in with the MFD patch?

> Originally I want to show a example usage of the new callback, but I
> can spilt them into 2 patches as you suggested. Thanks.

Yes, it's good to have an example user - just not as part of the same
patch!

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