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rapidio/documentation/mport_cdev: add missing parameter description 

Add missing description for rio_mport_cdev driver parameter
'dma_timeout'.

This patch is applicable to kernel versions starting from v4.6.

Link: http://lkml.kernel.org/r/20160901173104.2928-1-alexandre.bounine@idt.com
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com>
Cc: Barry Wood <barry.wood@idt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexandre Bounine 2016-09-01 16:15:15 -07:00 committed by Linus Torvalds
parent 735f2770a7
commit 1e1011af7a
1 changed files with 4 additions and 0 deletions
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4
Documentation/rapidio/mport_cdev.txt
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@ -80,6 +80,10 @@ functionality of their platform when planning to use this driver:
III. Module parameters
- 'dma_timeout' - DMA transfer completion timeout (in msec, default value 3000).
This parameter set a maximum completion wait time for SYNC mode DMA
transfer requests and for RIO_WAIT_FOR_ASYNC ioctl requests.
- 'dbg_level' - This parameter allows to control amount of debug information
generated by this device driver. This parameter is formed by set of
bit masks that correspond to the specific functional blocks.