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

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Message-ID: <CAPKp9uYiKXxQzvPX5os5aSizK6gbLQwt8pK7L4D=3efsUaFHGw@mail.gmail.com>
Date:	Wed, 20 May 2015 10:22:49 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Rob Herring <robherring2@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.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 Tue, May 19, 2015 at 6:17 PM, 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...

Thanks.

Regards,
Sudeep
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