linux-kernel - Re: [PATCH v2] drivers: of/base: move of_init to driver

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Message-ID: <CAL_JsqKEcpWiPsORFrQs+dhqM4qcgMPyaz0ijVEMNkFeVQfkWQ@mail.gmail.com>
Date:	Sun, 7 Jun 2015 19:29:17 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sudeep Holla <sudeep.holla@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [PATCH v2] drivers: of/base: move of_init to driver_init

On Sun, Jun 7, 2015 at 2:05 AM, Grant Likely <grant.likely@...aro.org> wrote:
> On Tue, 19 May 2015 10:17:32 -0700
> , Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>  wrote:
>> On Tue, May 19, 2015 at 01:29:16PM +0100, Sudeep Holla wrote:
>> > Hi Rob/Greg,
>> >
>> > On 14/05/15 15:28, Sudeep Holla wrote:
>> > >Commit 5590f3196b29 ("drivers/core/of: Add symlink to device-tree from
>> > >devices with an OF node") adds the symlink `of_node` for each device
>> > >pointing to it's device tree node while creating/initialising it.
>> > >
>> > >However the devicetree sysfs is created and setup in of_init which is
>> > >executed at core_initcall level. For all the devices created before
>> > >of_init, the following error is thrown:
>> > >   "Error -2(-ENOENT) creating of_node link"
>> > >
>> > >Like many other components in driver model, initialize the sysfs support
>> > >for OF/devicetree from driver_init so that it's ready before any devices
>> > >are created.
>> > >
>> > >Fixes: 5590f3196b29 ("drivers/core/of: Add symlink to device-tree from
>> > >   devices with an OF node")
>> > >Suggested-by: Rob Herring <robh+dt@...nel.org>
>> > >Cc: Grant Likely <grant.likely@...aro.org>
>> > >Cc: Rob Herring <robh+dt@...nel.org>
>> > >Cc: Pawel Moll <pawel.moll@....com>
>> > >Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
>> > >Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>> > >Signed-off-by: Sudeep Holla <sudeep.holla@....com>
>> >
>> > I assume one of you will pick this up if there are no further comments ?
>>
>> I will once things settle down...
>
> I've picked it up. Yell if you'd prefer to take it by your tree.

Greg already applied it. It just hit Linus' tree Sat.

Rob
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