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(parent: 21b42db) | patch
serial: at91: add tx dma support
authorElen Song <elen.song@atmel.com>
Mon, 22 Jul 2013 08:30:26 +0000 (16:30 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 29 Jul 2013 20:03:29 +0000 (13:03 -0700)
commit982eee083ef2a459833699a1bc507511be47874b
tree521da5c1b71338e9b44020ae7e4561b06cf9cefftree | snapshot
parent21b42db1da3f63aa0f1efa6f8908ef05a8c1b110commit | diff
serial: at91: add tx dma support

Request a slave dma channel for tx dma use. Tx dma will setup a single transfer,
when transfer complete, it will call atmel_complete_tx_dma to do finish stuff.

Signed-off-by: Elen Song <elen.song@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/atmel_serial.c diff | blob | history
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