linux-kernel - Re: [PATCH v2 2/4] clk: imx: clk-audiomix: Add reset controller

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Message-ID: <CAA+D8ANZYB2ec8qEzub8++Rz76zwn10Bt9c7cZ3tSTUbbQfwGA@mail.gmail.com>
Date: Tue, 14 May 2024 15:22:12 +0800
From: Shengjiu Wang <shengjiu.wang@...il.com>
To: Stephen Boyd <sboyd@...nel.org>, p.zabel@...gutronix.de
Cc: Shengjiu Wang <shengjiu.wang@....com>, abelvesa@...nel.org, conor+dt@...nel.org, 
	festevam@...il.com, imx@...ts.linux.dev, kernel@...gutronix.de, 
	krzk+dt@...nel.org, marex@...x.de, mturquette@...libre.com, peng.fan@....com, 
	robh@...nel.org, s.hauer@...gutronix.de, shawnguo@...nel.org, 
	linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/4] clk: imx: clk-audiomix: Add reset controller

On Fri, May 10, 2024 at 12:02 PM Shengjiu Wang <shengjiu.wang@...ilcom> wrote:
>
> On Fri, May 10, 2024 at 6:04 AM Stephen Boyd <sboyd@...nel.org> wrote:
> >
> > Quoting Shengjiu Wang (2024-05-08 18:43:56)
> > > Audiomix block control can be a reset controller for
> > > Enhanced Audio Return Channel (EARC), which is one of
> > > modules in this audiomix subsystem.
> > >
> > > The EARC PHY software reset and EARC controller software
> > > reset need to be supported.
> >
> > Can you move this to drivers/reset and use auxiliary device APIs to do
> > that? The idea would be to have reset maintainers review reset code.
>
> Thanks for your comments.
>
> This is a minor reset control only for XCVR devices, two reset bits
> are accessed.
>
> If we move to an auxiliary device,  we need to define a new header file
> and a new driver, which will bring more code size and complexity.
>
> So is it necessary to separate it to another auxiliary driver/device?
>
> And add Philipp Zabel in loop for review.
>

I will use syscon and simple-mfd to separate the reset function to
a new driver,  which will be a child node of the audiomix device.

Best regards
Shengjiu Wang