linux-kernel - Re: [PATCH v1 3/3] clk: qcom: rcg: update the DFS macro for RCG

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Message-Id: <20190715224441.F12122080A@mail.kernel.org>
Date:   Mon, 15 Jul 2019 15:44:41 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Taniya Das <tdas@...eaurora.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/3] clk: qcom: rcg: update the DFS macro for RCG

Quoting Taniya Das (2019-05-12 20:44:46)
> On 5/10/2019 11:24 PM, Stephen Boyd wrote:
> >>>> diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h
> >>>> index 5562f38..e40e8f8 100644
> >>>> --- a/drivers/clk/qcom/clk-rcg.h
> >>>> +++ b/drivers/clk/qcom/clk-rcg.h
> >>>> @@ -171,7 +171,7 @@ struct clk_rcg_dfs_data {
> >>>>    };
> >>>>
> >>>>    #define DEFINE_RCG_DFS(r) \
> >>>> -       { .rcg = &r##_src, .init = &r##_init }
> >>>> +       { .rcg = &r, .init = &r##_init }
> >>>
> >>> Why do we need to rename the init data?
> >>>
> >>
> >> We want to manage the init data as the clock source name, so that we
> >> could manage to auto generate our code. So that we do not have to
> >> re-name the clock init data manually if the DFS source names gets
> >> updated at any point of time.
> >>
> > 
> > Why is the clk name changing to not have a _src after the "root" of the
> > clk name? As long as I can remember, RCGs have a "_src" postfix.
> > 
> 
> Yes, the RCGs would have _src, so we do want the init data also to be
> generated with _src postfix. So that we do not have to manually clean up 
> the generated code.
> 

Please manually cleanup the generated code, or fix the code
generator to do what you want.