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rapidio/tsi721: add filtered debug output

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Replace "all-or-nothing" debug output with controlled debug output using
functional block masks.  This allows run time control of debug messages
through 'dbg_level' module parameter.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.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
2016-03-22 14:26:56 -07:00
committed by Linus Torvalds
parent 1679e8dabf
commit 72d8a0d230
4 changed files with 249 additions and 189 deletions
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9
Documentation/rapidio/tsi721.txt
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@@ -16,6 +16,15 @@ For inbound messages this driver uses destination ID matching to forward message
into the corresponding message queue. Messaging callbacks are implemented to be
fully compatible with RIONET driver (Ethernet over RapidIO messaging services).
1. Module parameters:
- 'dbg_level' - This parameter allows to control amount of debug information
generated by this device driver. This parameter is formed by set of
This parameter can be changed bit masks that correspond to the specific
functional block.
For mask definitions see 'drivers/rapidio/devices/tsi721.h'
This parameter can be changed dynamically.
Use CONFIG_RAPIDIO_DEBUG=y to enable debug output at the top level.
II. Known problems
None.