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| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2016-03-22 14:26:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-22 15:36:02 -0700 |
| commit | 72d8a0d23083ba89fb00a7ad9b07419e34ebe47c (patch) | |
| tree | bf0442f459e43ca5818686720bd1311cffb8be95 /Documentation | |
| parent | 1679e8dabf753edbf4ed15afa85bf8c4e81f249e (diff) | |
| download | lwn-72d8a0d23083ba89fb00a7ad9b07419e34ebe47c.tar.gz lwn-72d8a0d23083ba89fb00a7ad9b07419e34ebe47c.zip | |
rapidio/tsi721: add filtered debug output
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/rapidio/tsi721.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/rapidio/tsi721.txt b/Documentation/rapidio/tsi721.txt index 626052f403bb..7c1c7bf48ec0 100644 --- a/Documentation/rapidio/tsi721.txt +++ b/Documentation/rapidio/tsi721.txt @@ -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. |