[PATCH v2 1/4] dma: Add devm_dma_request_chan()
Csókás Bence
csokas.bence at prolan.hu
Mon Feb 3 05:09:54 PST 2025
Hi,
On 2025. 02. 03. 13:27, Alexander Dahl wrote:
>> + if (!IS_ERR(chan))
>> + ret = devm_add_action_or_reset(dev, dmaenginem_release_channel, chan);
>
> Why not using dma_release_channel() directly here? What's the point
> of introducing dmaenginem_release_channel() further above?
I followed the existing practice, used by
`dmaenginem_async_device_unregister()`. I suspect it was done like this
because the devm callback function's signature takes a `void *` and not
`struct dma_chan *`.
Bence
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