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

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Date:   Tue, 19 Apr 2022 14:37:40 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     Chen-Yu Tsai <wenst@...omium.org>
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, 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?

BRs,
Rex