From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH v3 1/4] PM / Runtime: Add getter for quering the IRQ safe option Date: Mon, 15 Sep 2014 17:11:33 +0200 Message-ID: <1410793893.883.4.camel@AMDC1943> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout3.w1.samsung.com ([210.118.77.13]:37676 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752564AbaIOPLh (ORCPT ); Mon, 15 Sep 2014 11:11:37 -0400 In-reply-to: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Alan Stern Cc: Russell King , Dan Williams , Vinod Koul , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Ulf Hansson , Grant Likely , Lars-Peter Clausen , Michal Simek , linux-pm@vger.kernel.org, Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz On pon, 2014-09-15 at 10:57 -0400, Alan Stern wrote: > On Mon, 15 Sep 2014, Krzysztof Kozlowski wrote: > > > Add a simple getter pm_runtime_is_irq_safe() for quering whether runtime > > PM IRQ safe was set or not. > > > > Various bus drivers implementing runtime PM may use choose to suspend > > differently based on IRQ safeness status of child driver (e.g. do not > > unprepare the clock if IRQ safe is not set). > > > > Signed-off-by: Krzysztof Kozlowski > > --- > > include/linux/pm_runtime.h | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h > > index 367f49b9a1c9..44d74f0f182e 100644 > > --- a/include/linux/pm_runtime.h > > +++ b/include/linux/pm_runtime.h > > @@ -128,6 +128,11 @@ static inline void pm_runtime_mark_last_busy(struct device *dev) > > ACCESS_ONCE(dev->power.last_busy) = jiffies; > > } > > > > +static inline bool pm_runtime_is_irq_safe(struct device *dev) > > +{ > > + return dev->power.irq_safe; > > +} > > + > > If you add something to the runtime PM API, you must update the > documentation file (Documentation/power/runtime_pm.txt) > correspondingly. Thank you for pointing this out. I'll fix this and re-spin. Best regards, Krzysztof > > Alan Stern