| Message ID | 20201117105656.5236-9-peter.ujfalusi@ti.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show
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From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: <vkoul@kernel.org>, <nm@ti.com>, <ssantosh@kernel.org>,
<robh+dt@kernel.org>
CC: <dan.j.williams@intel.com>, <t-kristo@ti.com>,
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Subject: [PATCH v2 08/19] dmaengine: doc: client: Update for
dmaengine_get_dma_device() usage
Date: Tue, 17 Nov 2020 12:56:45 +0200
Message-ID: <20201117105656.5236-9-peter.ujfalusi@ti.com>
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|
| Series |
dmaengine/soc: k3-udma: Add support for BCDMA and PKTDMA
|
expand
|
diff --git a/Documentation/driver-api/dmaengine/client.rst b/Documentation/driver-api/dmaengine/client.rst index 09a3f66dcd26..bfd057b21a00 100644 --- a/Documentation/driver-api/dmaengine/client.rst +++ b/Documentation/driver-api/dmaengine/client.rst @@ -120,7 +120,9 @@ The details of these operations are: .. code-block:: c - nr_sg = dma_map_sg(chan->device->dev, sgl, sg_len); + struct device *dma_dev = dmaengine_get_dma_device(chan); + + nr_sg = dma_map_sg(dma_dev, sgl, sg_len); if (nr_sg == 0) /* error */
Client drivers should use the dmaengine_get_dma_device(chan) to get the device pointer which should be used for DMA API for allocations and mapping. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- Documentation/driver-api/dmaengine/client.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)