linux-kernel - Re: [PATCH 2/7] clk: mediatek: reset: Rename reset function

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Date:   Tue, 19 Apr 2022 14:59:06 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>
Cc:     mturquette@...libre.com, sboyd@...nel.org, matthias.bgg@...il.com,
        p.zabel@...gutronix.de, angelogioacchino.delregno@...labora.com,
        chun-jie.chen@...iatek.com, yong.liang@...iatek.com,
        runyang.chen@...iatek.com, linux-kernel@...r.kernel.org,
        allen-kh.cheng@...iatek.com, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 2/7] clk: mediatek: reset: Rename reset function

On Tue, Apr 19, 2022 at 2:37 PM Rex-BC Chen <rex-bc.chen@...iatek.com> wrote:
>
> On Tue, 2022-04-19 at 13:57 +0800, Chen-Yu Tsai wrote:
> > On Mon, Apr 18, 2022 at 9:22 PM Rex-BC Chen <rex-bc.chen@...iatek.com
> > > wrote:
> > >
> > > There are two version for clock reset register control of MediaTek
> > > SoCs.
> > > Since MT8183, the version 2 is adopted.
> > >
> > > To make the driver more readable,
> > > - Rename them to v2 for MT8183 and v1 for previous SoCs.
> > > - Adjust the fuinction order in reset.c.
> >
> > I'm not sure that the renaming actually helps, since it is not given
> > that
> > people outside of MediaTek would know which chip use which version.
> > The
> > original name of "_set_clr" at least relays how the hardware works,
> > which
> > coupled with the register naming in the datasheets make it quite
> > obvious
> > if the hardware is using the "set/clr" variant.
> >
> > On a different note, the v1 hardware, where a hardware bit represents
> > the
> > state, is quite common, and there is a common reset driver that
> > handles it.
> > Perhaps that could be reused instead of code duplicated?
> > See drivers/reset/reset-simple.c.
> >
> >
> > Thanks
> > ChenYu
>
> Hello ChenYu,
>
> Thanks for your review.
> I will use reset_simple_ops to replace v1 in next version.
>
> What do you think the proper name of v2?
> Or I just use mtk_reset_assert for v2?

I would just keep the current name.


ChenYu