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Date:	Wed, 11 Nov 2015 02:41:38 +0000
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Ulf Hansson <ulf.hansson@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	Linux-SH <linux-sh@...r.kernel.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Cao Minh Hiep <cm-hiep@...so.co.jp>,
	Dung:人ソ <nv-dung@...so.co.jp>
Subject: Re: [PATCH 2/2] thermal: rcar_thermal: use pm_runtime_put_sync()


Hi Geert

> > -       pm_runtime_put(dev);
> > +       pm_runtime_put_sync(dev);
> >         pm_runtime_disable(dev);
> >
> >         return 0;
> 
> While I can confirm this fixes the issue, I think this is a bug in the PM
> core, and thus your patch is merely a workaround.
> 
> Morimoto-san: I assume this is a recent regression. Have you tried to bisect?

I thought that this is driver side issue, but I noticed that it was working before.
I tried bisect, and found that this patch breaks bind/unbind

	cbc41d0a761bffb3166a413a3c77100a737c0cd7
	("drivers: sh: Disable PM runtime for multi-platform ARM with genpd")

Best regards
---
Kuninori Morimoto
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