From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
Jonathan Corbet <corbet@lwn.net>,
Dan Williams <dan.j.williams@intel.com>,
Vinod Koul <vinod.koul@intel.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
linux-pm@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
Lars-Peter Clausen <lars@metafoo.de>,
Michal Simek <michal.simek@xilinx.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH v8 3/5] amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM
Date: Mon, 3 Nov 2014 15:44:33 +0000 [thread overview]
Message-ID: <20141103154433.GC4042@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1411031036350.1316-100000@iolanthe.rowland.org>
On Mon, Nov 03, 2014 at 10:41:02AM -0500, Alan Stern wrote:
> Bear in mind, however, that once the irq_safe flag has been set, the
> runtime PM core offers no way to turn it off again.
Ah, I thought it did permit it to change both ways. In that case, we
don't need to validate that it doesn't change state on each call, and
we can just get away with checking its value.
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2014-11-03 15:44 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 9:04 [PATCH v8 0/5] amba/dma: pl330: add Power Management support Krzysztof Kozlowski
2014-10-20 9:04 ` [PATCH v8 1/5] PM / Runtime: Add getter for querying the IRQ safe option Krzysztof Kozlowski
2014-10-31 9:14 ` Krzysztof Kozlowski
2014-10-31 9:29 ` Ulf Hansson
2014-10-31 9:33 ` Russell King - ARM Linux
2014-10-31 9:54 ` Ulf Hansson
2014-10-31 9:33 ` Krzysztof Kozlowski
2014-10-31 14:22 ` Pavel Machek
2014-10-31 14:40 ` Krzysztof Kozlowski
2014-11-01 0:29 ` Laurent Pinchart
2014-11-03 9:36 ` Krzysztof Kozlowski
2014-11-03 16:27 ` Vinod Koul
2014-11-03 16:59 ` Laurent Pinchart
2014-11-05 14:09 ` Vinod Koul
2014-11-03 17:04 ` Russell King - ARM Linux
2014-11-05 14:04 ` Vinod Koul
2014-11-05 14:54 ` Laurent Pinchart
2014-10-31 23:11 ` Rafael J. Wysocki
2014-10-31 23:04 ` Russell King - ARM Linux
2014-11-01 0:42 ` Rafael J. Wysocki
2014-11-03 8:51 ` Krzysztof Kozlowski
2014-10-20 9:04 ` [PATCH v8 2/5] amba: Add helpers for (un)preparing AMBA clock Krzysztof Kozlowski
2014-10-21 8:05 ` Ulf Hansson
2014-10-20 9:04 ` [PATCH v8 3/5] amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM Krzysztof Kozlowski
2014-11-01 0:45 ` Rafael J. Wysocki
2014-11-01 0:55 ` Russell King - ARM Linux
2014-11-01 1:01 ` Russell King - ARM Linux
2014-11-03 8:36 ` Krzysztof Kozlowski
2014-11-03 10:04 ` Russell King - ARM Linux
2014-11-03 15:41 ` Alan Stern
2014-11-03 15:44 ` Russell King - ARM Linux [this message]
2014-11-04 7:59 ` Krzysztof Kozlowski
2014-11-04 1:57 ` Rafael J. Wysocki
2014-11-04 8:01 ` Krzysztof Kozlowski
2014-11-04 9:11 ` Ulf Hansson
2014-11-04 13:59 ` Rafael J. Wysocki
2014-11-04 16:19 ` Ulf Hansson
2014-11-04 16:42 ` Alan Stern
2014-11-03 17:17 ` Kevin Hilman
2014-10-20 9:04 ` [PATCH v8 4/5] dma: pl330: add Power Management support Krzysztof Kozlowski
2014-10-20 9:04 ` [PATCH v8 5/5] amba: Remove unused amba_pclk_enable/disable macros Krzysztof Kozlowski
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