linux-kernel - Re: [PATCH v2 3/8] fpga: bridge: add devm_fpga_bridge

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Message-ID: <20180906181918.GA20419@archbook>
Date:   Thu, 6 Sep 2018 11:19:18 -0700
From:   Moritz Fischer <mdf@...nel.org>
To:     Alan Tull <atull@...nel.org>
Cc:     Moritz Fischer <moritz.fischer.private@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Randy Dunlap <rdunlap@...radead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fpga@...r.kernel.org,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v2 3/8] fpga: bridge: add devm_fpga_bridge_create

Hi Alan,

On Wed, Sep 05, 2018 at 10:38:53AM -0500, Alan Tull wrote:
> > > - * fpga_bridge_unregister - unregister and free a fpga bridge
> > > - * @bridge:    FPGA bridge struct created by fpga_bridge_create
> > > + * fpga_bridge_unregister - unregister a FPGA bridge
> > > + *
> > > + * @bridge: FPGA bridge struct
> > > + *
> > > + * This function is intended for use in a FPGA bridge driver's remove function.
> > > + * If the bridge was created with devm_fpga_bridge_create(), the bridge struct
> > > + * will be automatically freed.  If the bridge was created with
> > > + * fpga_bridge_create(), the caller is responsible for freeing the bridge with
> > > + * fpga_bridge_free().
> >
> > I find the formulation somewhat confusing, since it could be
> > interpreted as if you
> > used the devm_() functions you don't have to call unregister().
> 
> Yes I'm being too verbose and it's making things muddled.  How about
> if I take out the part that starts with "If bridge was created..."?
> That just leaves "This function is intended for use in a FPGA bridge
> driver's remove function."

Sounds good.

Moritz