From: Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH v2 08/10] dmaengine: bcm2835: Document struct bcm2835_dmadev
Date: Wed, 11 Sep 2019 12:15:30 +0200 [thread overview]
Message-ID: <78648f80f67d97bb7beecc1b9be6b6e4a45bc1d8.1568187525.git.lukas@wunner.de> (raw)
In-Reply-To: <cover.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
Document the BCM2835 DMA driver's device data structure so that upcoming
commits may add further members with proper kerneldoc.
Tested-by: Nuno Sá <nuno.sa@analog.com>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Martin Sperl <kernel@martin.sperl.org>
Cc: Florian Kauer <florian.kauer@koalo.de>
---
drivers/dma/bcm2835-dma.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index a65514fcb7f2..14358faf3bff 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -37,6 +37,12 @@
#define BCM2835_DMA_MAX_DMA_CHAN_SUPPORTED 14
#define BCM2835_DMA_CHAN_NAME_SIZE 8
+/**
+ * struct bcm2835_dmadev - BCM2835 DMA controller
+ * @ddev: DMA device
+ * @base: base address of register map
+ * @dma_parms: DMA parameters (to convey 1 GByte max segment size to clients)
+ */
struct bcm2835_dmadev {
struct dma_device ddev;
void __iomem *base;
--
2.23.0
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next prev parent reply other threads:[~2019-09-11 10:15 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 10:15 [PATCH v2 00/10] Speed up SPI simplex transfers on Raspberry Pi Lukas Wunner
[not found] ` <cover.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 10:15 ` [PATCH v2 04/10] spi: bcm2835: Work around DONE bit erratum Lukas Wunner
[not found] ` <7ceb98f154cdcf72c577615fa312df41adea5f47.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 11:25 ` Mark Brown
2019-09-11 10:15 ` [PATCH v2 07/10] spi: bcm2835: Speed up TX-only DMA transfers by clearing RX FIFO Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 06/10] spi: bcm2835: Cache CS register value for ->prepare_message() Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 01/10] dmaengine: bcm2835: Allow reusable descriptors Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 09/10] dmaengine: bcm2835: Avoid accessing memory when copying zeroes Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 10/10] spi: bcm2835: Speed up RX-only DMA transfers by zero-filling TX FIFO Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 05/10] spi: bcm2835: Drop dma_pending flag Lukas Wunner
2022-07-19 6:52 ` Marc Kleine-Budde
2022-07-19 7:34 ` Stefan Wahren
2022-07-19 7:45 ` Marc Kleine-Budde
2019-09-11 10:15 ` Lukas Wunner [this message]
2019-09-11 10:15 ` [PATCH v2 02/10] dmaengine: bcm2835: Allow cyclic transactions without interrupt Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 03/10] spi: Guarantee cacheline alignment of driver-private data Lukas Wunner
[not found] ` <01625b9b26b93417fb09d2c15ad02dfe9cdbbbe5.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 14:59 ` Applied "spi: Guarantee cacheline alignment of driver-private data" to the spi tree Mark Brown
2019-09-11 10:47 ` [PATCH v2 00/10] Speed up SPI simplex transfers on Raspberry Pi Mark Brown
[not found] ` <20190911114352.w2htkzfi5v6zl7nq@wunner.de>
[not found] ` <20190911114352.w2htkzfi5v6zl7nq-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 11:59 ` Mark Brown
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