linux-kernel - Re: [RFC PATCH 2/3] clk: add managed version of clk_bulk

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Message-ID: <20170508113706.GC18153@b29396-OptiPlex-7040>
Date:   Mon, 8 May 2017 19:37:06 +0800
From:   Dong Aisheng <dongas86@...il.com>
To:     Stephen Boyd <sboyd@...eaurora.org>
Cc:     Dong Aisheng <aisheng.dong@....com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kernel@...gutronix.de, broonie@...nel.org, yibin.gong@....com,
        rjw@...ysocki.net, viresh.kumar@...aro.org,
        mturquette@...libre.com, shawnguo@...nel.org,
        fabio.estevam@....com, anson.huang@....com, ping.bai@....com,
        leonard.crestez@....com, octavian.purdila@....com
Subject: Re: [RFC PATCH 2/3] clk: add managed version of clk_bulk_get

On Fri, Apr 21, 2017 at 07:55:47PM -0700, Stephen Boyd wrote:
> On 04/12, Dong Aisheng wrote:
> > diff --git a/include/linux/clk.h b/include/linux/clk.h
> > index 1d05b66..3fc6010 100644
> > --- a/include/linux/clk.h
> > +++ b/include/linux/clk.h
> > @@ -278,11 +278,25 @@ struct clk *clk_get(struct device *dev, const char *id);
> >   *
> >   * clk_bulk_get should not be called from within interrupt context.
> >   */
> > -
> 
> Should be in previous patch?
> 

Yes, will fix.

> >  int __must_check clk_bulk_get(struct device *dev, int num_clks,
> >  			      struct clk_bulk_data *clks);
> >  
> >  /**
> > + * devm_clk_bulk_get - managed get multiple clk consumers
> > + * @dev: device for clock "consumer"
> > + * @num_clks: the number of clk_bulk_data
> > + * @clks: the clk_bulk_data table of consumer
> > + *
> > + * Return 0 on success, an errno on failure.
> > + *
> > + * This helper function allows drivers to get several regulator
> 
> s/regulator/clk/
> 

ditto

> > + * consumers in one operation with management, the clks will
> > + * automatically be freed when the device is unbound.
> > + */
> > +int __must_check devm_clk_bulk_get(struct device *dev, int num_clks,
> 
> Thanks for the __must_check. We need to add more __must_check to
> clk APIs.
> 

Yes, just easy to do it from the beginning. :-)

Regards
Dong Aisheng

> > +				   struct clk_bulk_data *clks);
> > +
> > +/**
> 
> -- 
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