linux-kernel - Re: [PATCH v6 3/6] interconnect: icc-clk: Add devm_icc_clk

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Message-ID: <CAA8EJpp2dgy0DcLoUuo6gz-8ee0RRwJ_mvCLGDbdvF-gVhREFg@mail.gmail.com>
Date: Tue, 2 Apr 2024 14:16:56 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>
Cc: andersson@...nel.org, konrad.dybcio@...aro.org, mturquette@...libre.com, 
	sboyd@...nel.org, robh@...nel.org, krzysztof.kozlowski+dt@...aro.org, 
	conor+dt@...nel.org, djakov@...nel.org, quic_anusha@...cinc.com, 
	linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-pm@...r.kernel.org
Subject: Re: [PATCH v6 3/6] interconnect: icc-clk: Add devm_icc_clk_register

On Tue, 2 Apr 2024 at 14:02, Varadarajan Narayanan
<quic_varada@...cinc.com> wrote:
>
> On Tue, Apr 02, 2024 at 01:48:08PM +0300, Dmitry Baryshkov wrote:
> > On Tue, 2 Apr 2024 at 13:40, Dmitry Baryshkov
> > <dmitry.baryshkov@...aro.org> wrote:
> > >
> > > On Tue, 2 Apr 2024 at 13:34, Varadarajan Narayanan
> > > <quic_varada@...cinc.com> wrote:
> > > >
> > > > Wrap icc_clk_register to create devm_icc_clk_register to be
> > > > able to release the resources properly.
> > > >
> > > > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > > > ---
> > > > v5: Introduced devm_icc_clk_register
> > > > ---
> > > >  drivers/interconnect/icc-clk.c   | 29 +++++++++++++++++++++++++++++
> > > >  include/linux/interconnect-clk.h |  4 ++++
> > > >  2 files changed, 33 insertions(+)
> > >
> > > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> >
> > Wait. Actually,
> >
> > Unreviewed-by: me
> >
> > Please return int from devm_icc_clk_register instead of returning the pointer.
>
> Wouldn't returning int break the general assumption that
> devm_foo(), returns the same type as foo(). For example
> devm_clk_hw_get_clk and clk_hw_get_clk return struct clk *?

Not always. The only reason to return icc_provider was to make it
possible to destroy it. With devres-managed function you don't have to
do anything.


-- 
With best wishes
Dmitry