linux-kernel - Re: [PATCH] ibmebus/of_platform: Move "name" sysfs attribute into generic OF devices

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Message-ID: <OFD6515867.CFE29C04-ONC12574AA.003B8D55-C12574AA.003BB443@de.ibm.com>
Date:	Tue, 19 Aug 2008 12:52:07 +0200
From:	Joachim Fenkes <FENKES@...ibm.com>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Alexander Schmidt1 <ALEXSCHM@...ibm.com>,
	Christoph Raisch <RAISCH@...ibm.com>,
	"David S. Miller" <davem@...emloft.net>,
	Hoang-Nam Nguyen <HNGUYEN@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"LinuxPPC-Dev" <linuxppc-dev@...abs.org>,
	Olaf Hering <olaf@...fle.de>,
	Paul Mackerras <pmac@....ibm.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Stefan Roscher <stefan.roscher@...ibm.com>
Subject: Re: [PATCH] ibmebus/of_platform: Move "name" sysfs attribute into generic
 OF devices

Paul Mackerras <paulus@...ba.org> wrote on 19.08.2008 06:14:00:
 
> > Recent of_platform changes made of_bus_type_init() overwrite the bus 
type's
> > .dev_attrs list, so move ibmebus' "name" attribute (which is needed by 
eHCA
> > userspace support) into generic OF device code. Tested on POWER.
> 
> Is this a bugfix that is needed for 2.6.27?

Yes, definitely. The eHCA userspace driver relies on the name attribute to 
check for valid adapters (it checks that the name is "lhca"), so with the 
name attribute gone, eHCA userspace will cease to work.

Regards,
  Joachim
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