doc:dmaengine: clarify DMA desc. pointer after submission
authorFederico Vaga <federico.vaga@cern.ch>
Fri, 8 Feb 2019 15:30:38 +0000 (16:30 +0100)
committerJonathan Corbet <corbet@lwn.net>
Mon, 11 Feb 2019 15:40:16 +0000 (08:40 -0700)
commitdb693aded3fb419c763963246281e417c1c0e126
treefe7d307eb0af8517281cb9a8dcdf4daf42067c11
parent2c71d305caf9cd5076873c6a57d22ab8cb7c906c
doc:dmaengine: clarify DMA desc. pointer after submission

It clarifies that the DMA description pointer returned by
`dmaengine_prep_*` function should not be used after submission.

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/driver-api/dmaengine/client.rst