From: Robert Jarzmik <robert.jarzmik@free.fr>
To: Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Tejun Heo <tj@kernel.org>, Vinod Koul <vinod.koul@intel.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Boris Brezillon <boris.brezillon@bootlin.com>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
Nicolas Pitre <nico@fluxnic.net>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
dmaengine@vger.kernel.org, linux-media@vger.kernel.org,
linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
netdev@vger.kernel.org, alsa-devel@alsa-project.org
Subject: [PATCH v3 11/14] dmaengine: pxa: document pxad_param
Date: Sun, 17 Jun 2018 19:02:14 +0200 [thread overview]
Message-ID: <20180617170217.24177-12-robert.jarzmik@free.fr> (raw)
In-Reply-To: <20180617170217.24177-1-robert.jarzmik@free.fr>
Add some documentation for the pxad_param structure, and describe the
contract behind the minimal required priority of a DMA channel.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Vinod Koul <vkoul@kernel.org>
---
Since v1: added Vinod's ack
---
include/linux/dma/pxa-dma.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/linux/dma/pxa-dma.h b/include/linux/dma/pxa-dma.h
index e56ec7af4fd7..9fc594f69eff 100644
--- a/include/linux/dma/pxa-dma.h
+++ b/include/linux/dma/pxa-dma.h
@@ -9,6 +9,15 @@ enum pxad_chan_prio {
PXAD_PRIO_LOWEST,
};
+/**
+ * struct pxad_param - dma channel request parameters
+ * @drcmr: requestor line number
+ * @prio: minimal mandatory priority of the channel
+ *
+ * If a requested channel is granted, its priority will be at least @prio,
+ * ie. if PXAD_PRIO_LOW is required, the requested channel will be either
+ * PXAD_PRIO_LOW, PXAD_PRIO_NORMAL or PXAD_PRIO_HIGHEST.
+ */
struct pxad_param {
unsigned int drcmr;
enum pxad_chan_prio prio;
--
2.11.0
next prev parent reply other threads:[~2018-06-17 17:04 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-17 17:02 [PATCH v3 00/14] ARM: pxa: switch to DMA slave maps Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 01/14] dmaengine: pxa: use a dma slave map Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 02/14] ARM: pxa: add " Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 03/14] dmaengine: pxa: add a default requestor policy Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 04/14] mmc: pxamci: remove the dmaengine compat need Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 05/14] media: pxa_camera: " Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 06/14] mtd: rawnand: marvell: " Robert Jarzmik
2018-06-17 18:12 ` Daniel Mack
2018-06-18 19:31 ` Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 07/14] net: smc911x: " Robert Jarzmik
2018-06-20 17:17 ` Robert Jarzmik
2018-06-20 23:39 ` David Miller
2018-06-21 8:43 ` Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 08/14] net: smc91x: " Robert Jarzmik
2018-06-20 17:17 ` Robert Jarzmik
2018-06-20 23:40 ` David Miller
2018-06-21 8:44 ` Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 09/14] ASoC: pxa: " Robert Jarzmik
2018-06-17 18:17 ` Daniel Mack
2018-06-21 8:50 ` Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 10/14] ata: pata_pxa: " Robert Jarzmik
2018-06-17 17:02 ` Robert Jarzmik [this message]
2018-06-17 17:02 ` [PATCH v3 12/14] dmaengine: pxa: make the filter function internal Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 13/14] ARM: pxa: remove the DMA IO resources Robert Jarzmik
2018-06-17 17:02 ` [PATCH v3 14/14] ARM: pxa: change SSP DMA channels allocation Robert Jarzmik
2018-06-18 8:41 ` [PATCH v3 00/14] ARM: pxa: switch to DMA slave maps Boris Brezillon
2018-06-18 19:56 ` Robert Jarzmik
2018-06-18 20:04 ` Boris Brezillon
2018-06-20 17:07 ` Robert Jarzmik
2018-06-25 13:07 ` Mark Brown
2018-06-27 15:11 ` Robert Jarzmik
2018-06-27 21:03 ` Daniel Mack
2018-06-28 11:52 ` Mark Brown
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