linux-kernel - Re: [PATCH] thermal: power_allocator: do not use devm* interfaces

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Message-ID: <20150805184405.GB4161@localhost.localdomain>
Date:	Wed, 5 Aug 2015 11:44:06 -0700
From:	Eduardo Valentin <edubezval@...il.com>
To:	Javi Merino <javi.merino@....com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Lukasz Majewski <l.majewski@...sung.com>,
	Peter Feuerer <peter@...e.net>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Punit Agrawal <Punit.Agrawal@....com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] thermal: power_allocator: do not use devm* interfaces

On Wed, Aug 05, 2015 at 06:29:03PM +0100, Javi Merino wrote:
> On Wed, Aug 05, 2015 at 05:50:20PM +0100, Dmitry Torokhov wrote:
> > On Wed, Aug 05, 2015 at 09:29:11AM +0100, Javi Merino wrote:
> > > On Tue, Aug 04, 2015 at 05:33:40PM +0100, Dmitry Torokhov wrote:
> > > > The code in question is called outside of standard driver
> > > > probe()/remove() callbacks and thus will not benefit from use of devm*
> > > > infrastructure.
> > > > 
> > > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> > > 
> > > We added the devm* calls because Eduardo asked for them in the review.
> > > I don't have a strong opinion regarding this, I'll leave the decision
> > > to Eduardo.
> > 
> > I tried to look for his reasons, if any, but even in earliest posted
> > versions use devm* for allocating memory
> 
> http://thread.gmane.org/gmane.linux.power-management.general/45000/focus=45265
> http://thread.gmane.org/gmane.linux.power-management.general/46064/focus=1722858
> 
> He didn't give reasons and I didn't ask for them.  He insisted on it so I just added
> it across the board.

Yeah, that's my bad.

I believe I had in mind getting the thermal core in a better shape by
having proper driver/device matching. But still, looking at the code
now, I must agree with Dmitry. As of now, it does not make sense.


BR,

Eduardo

> 
> Cheers,
> Javi

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