From: ldewangan@nvidia•com (Laxman Dewangan)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 01/11] dma: imx-sdma: make channel0 operations atomic
Date: Fri, 27 Apr 2012 18:47:10 +0530 [thread overview]
Message-ID: <4F9A9C56.6090301@nvidia.com> (raw)
In-Reply-To: <20120427131010.GN24211@n2100.arm.linux.org.uk>
On Friday 27 April 2012 06:40 PM, Russell King - ARM Linux wrote:
> On Fri, Apr 27, 2012 at 06:31:13PM +0530, Laxman Dewangan wrote:
>> On Friday 27 April 2012 05:03 PM, Russell King - ARM Linux wrote:
>>> On Fri, Apr 27, 2012 at 07:26:56PM +0800, Richard Zhao wrote:
>>>> Sure, I mean, can you doc in include/linux/dmaengine.h that
>>>> dmaengine_prep_xxx may sleep?
>>> Incorrect. They may _not_ sleep.
>> But I have seen that we are using the kzalloc in the dmaengine_prep_xxx
>> and kzalloc is sleeping call.
> Not with GFP_ATOMIC it isn't.
Yes, with GFP_ATOMIC , it will not be a sleeping calls.
I will fix my dma driver accordingly.
next prev parent reply other threads:[~2012-04-27 13:17 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-27 7:02 [PATCH 00/11] enable imx6q_sabrelite sgtl5000 audio support Richard Zhao
2012-04-27 7:02 ` [PATCH 01/11] dma: imx-sdma: make channel0 operations atomic Richard Zhao
2012-04-27 7:55 ` Sascha Hauer
2012-04-27 9:17 ` Richard Zhao
2012-04-27 8:21 ` Vinod Koul
2012-04-27 8:41 ` Richard Zhao
2012-04-27 10:22 ` Vinod Koul
2012-04-27 11:20 ` Mark Brown
2012-04-27 11:26 ` Richard Zhao
2012-04-27 11:33 ` Russell King - ARM Linux
2012-04-27 13:01 ` Laxman Dewangan
2012-04-27 13:10 ` Russell King - ARM Linux
2012-04-27 13:17 ` Laxman Dewangan [this message]
2012-04-27 13:19 ` Richard Zhao
2012-04-27 9:18 ` Lothar Waßmann
2012-04-27 13:25 ` Richard Zhao
2012-04-27 15:13 ` Lothar Waßmann
2012-04-27 15:27 ` Huang Shijie
2012-04-27 7:02 ` [PATCH 02/11] ASoC: imx-sgtl5000: add of_node_put when probe fail Richard Zhao
2012-04-27 17:44 ` Mark Brown
2012-04-27 7:02 ` [PATCH 03/11] ASoC: fsl: add sgtl5000 clock support for imx-sgtl5000 Richard Zhao
2012-04-27 17:44 ` Mark Brown
2012-05-01 13:44 ` Shawn Guo
2012-05-02 10:50 ` Richard Zhao
2012-05-02 11:41 ` Mark Brown
2012-05-02 12:12 ` Shawn Guo
2012-05-02 12:22 ` Mark Brown
2012-04-27 7:02 ` [PATCH 04/11] i2c: imx: add pinctrl support Richard Zhao
2012-04-27 8:40 ` Dong Aisheng
2012-04-27 9:15 ` Richard Zhao
2012-04-27 7:02 ` [PATCH 05/11] ARM: imx6q: move imx6q_sabrelite specific code to a dedicated function Richard Zhao
2012-05-01 13:18 ` Shawn Guo
2012-04-27 7:03 ` [PATCH 06/11] ARM: dts: imx6q-sabrelite: add ssi device Richard Zhao
2012-05-01 13:26 ` Shawn Guo
2012-05-02 2:38 ` Shawn Guo
2012-04-27 7:03 ` [PATCH 07/11] ARM: dts: imx6q-sabrelite: add audmux device Richard Zhao
2012-04-27 7:03 ` [PATCH 08/11] ASoC: imx-audmux: add pinctrl support Richard Zhao
2012-04-27 7:03 ` [PATCH 09/11] ARM: imx6q: add ssi1 clk_lookup Richard Zhao
2012-04-27 8:04 ` Sascha Hauer
2012-04-27 9:10 ` Richard Zhao
2012-04-27 9:25 ` Sascha Hauer
2012-04-30 2:01 ` Richard Zhao
2012-04-30 12:18 ` Sascha Hauer
2012-05-02 10:34 ` Richard Zhao
2012-05-02 14:34 ` Shawn Guo
2012-05-02 16:33 ` Sascha Hauer
2012-04-27 7:03 ` [PATCH 10/11] ARM: imx6q_sabrelite: clkdev_add cko1 for sgtl5000 Richard Zhao
2012-05-01 12:47 ` Shawn Guo
2012-05-01 23:39 ` Shawn Guo
2012-05-02 2:47 ` [alsa-devel] " Fabio Estevam
2012-05-02 3:37 ` Shawn Guo
2012-05-02 11:00 ` Richard Zhao
2012-04-27 7:03 ` [PATCH 11/11] ARM: dts: imx6q-sabrelite: add sound device imx6q-sabrelite-sgtl5000 Richard Zhao
2012-05-01 12:55 ` Shawn Guo
2012-05-02 10:37 ` Richard Zhao
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