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authorAlexandre Bounine <alexandre.bounine@idt.com>2016-09-01 16:15:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-09-01 17:52:02 -0700
commit1e1011af7a5725141aa4c8d30132acd93fe3da4e (patch)
tree8fa15e3208c781f06f7712448e9705fc79e0f7a9 /Documentation/rapidio
parent735f2770a770156100f534646158cb58cb8b2939 (diff)
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>
Diffstat (limited to 'Documentation/rapidio')
-rw-r--r--Documentation/rapidio/mport_cdev.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/rapidio/mport_cdev.txt b/Documentation/rapidio/mport_cdev.txt
index 6e491a662461..a53f786ee2e9 100644
--- a/Documentation/rapidio/mport_cdev.txt
+++ b/Documentation/rapidio/mport_cdev.txt
@@ -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.