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| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2016-08-02 14:06:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-02 19:35:34 -0400 |
| commit | e519685de3e44bb013d81f5ead04ac4b33c9b3a1 (patch) | |
| tree | 27519f32fb0941337133f594082a7cf8882f1076 /Documentation/rapidio | |
| parent | cb782cdd2ffffbf7fd17e4aefb20f4db5c67caeb (diff) | |
| download | lwn-e519685de3e44bb013d81f5ead04ac4b33c9b3a1.tar.gz lwn-e519685de3e44bb013d81f5ead04ac4b33c9b3a1.zip | |
rapidio/tsi721: add messaging mbox selector parameter
Add module parameter to allow load time configuration of available
RapidIO messaging mailboxes (MBOX1 - MBOX4).
Having a messaging MBOX selector mask allows to define which MBOXes are
controlled by the mport device driver and reserve some of them for
direct use by other drivers.
Link: http://lkml.kernel.org/r/1469125134-16523-7-git-send-email-alexandre.bounine@idt.com
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Barry Wood <barry.wood@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/tsi721.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/rapidio/tsi721.txt b/Documentation/rapidio/tsi721.txt index 9c6ee3853793..cd2a2935d51d 100644 --- a/Documentation/rapidio/tsi721.txt +++ b/Documentation/rapidio/tsi721.txt @@ -46,6 +46,11 @@ fully compatible with RIONET driver (Ethernet over RapidIO messaging services). 0 = 128B, 1 = 256B, 2 = 512B, 3 = 1024B, 4 = 2048B and 5 = 4096B. Default value is '-1' (= keep platform setting). +- 'mbox_sel' - RIO messaging MBOX selection mask. This is a bitmask that defines + messaging MBOXes are managed by this device driver. Mask bits 0 - 3 + correspond to MBOX0 - MBOX3. MBOX is under driver's control if the + corresponding bit is set to '1'. Default value is 0x0f (= all). + II. Known problems None. |