Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <1537422122-6166-1-git-send-email-svellattu@mvista.com> <CAJZ5v0j05v+69cCJ1jzekdC_2kqXu6SQaNLeOhk=04b08pT6YQ@mail.gmail.com>
In-Reply-To: <CAJZ5v0j05v+69cCJ1jzekdC_2kqXu6SQaNLeOhk=04b08pT6YQ@mail.gmail.com>
From:   Silesh C V <svellattu@mvista.com>
Date:   Fri, 21 Sep 2018 09:14:57 +0530
Message-ID: <CALabi0HOSbsemnw=v7h+arstXMMqaAYGmRPFNQDSE_U0+Kg0KQ@mail.gmail.com>
Subject: Re: [PATCH] Driver core: add bus_find_device_by_of_node
To:     "Rafael J. Wysocki" <rafael@kernel.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hello Rafael,

On Thu, Sep 20, 2018 at 1:06 PM Rafael J. Wysocki <rafael@kernel.org> wrote:
>
> On Thu, Sep 20, 2018 at 7:43 AM Silesh C V <svellattu@mvista.com> wrote:
> >
> > Similar to bus_find_device_by_name, but finds the device having a
> > specific of_node.
>
> First, what do you need it for?  Please describe your use case in the changelog.

This will be useful for drivers that do not register a platform_driver
(but retrieve the "simple-bus" device_node using
of_find_compatible_node etc.) but are still interested in the struct
device.

>
> Second, what about a more generic bus_find_device_by_fwnode() ?

If you think that the above requirement warrants the inclusion of
bus_find_device_by_of_node, I can try implementing this in v2.

Thanks.

Regards,
Silesh