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| author |   Alexandre Bounine <alexandre.bounine@idt.com> | 2016-03-22 14:26:00 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-22 15:36:02 -0700 |
| commit | 8b189fdbc5f68f3f43e67004de25f75c1a5b4e51 (patch) | |
| tree | b511383866423f5bfd0fff2257c0b4e2cd4985cf /drivers/rapidio | |
| parent | rapidio/tsi721_dma: fix pending transaction queue handling (diff) | |
| download | linux-dev-8b189fdbc5f68f3f43e67004de25f75c1a5b4e51.tar.xz linux-dev-8b189fdbc5f68f3f43e67004de25f75c1a5b4e51.zip | |
rapidio: add query_mport operation
Add mport query operation to report master port RapidIO capabilities and
run time configuration to upper level drivers.
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 'drivers/rapidio')
| -rw-r--r-- | drivers/rapidio/rio.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index e220edc85c68..c72f4da8065e 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -68,6 +68,23 @@ u16 rio_local_get_device_id(struct rio_mport *port) } /** + * rio_query_mport - Query mport device attributes + * @port: mport device to query + * @mport_attr: mport attributes data structure + * + * Returns attributes of specified mport through the + * pointer to attributes data structure. + */ +int rio_query_mport(struct rio_mport *port, + struct rio_mport_attr *mport_attr) +{ + if (!port->ops->query_mport) + return -ENODATA; + return port->ops->query_mport(port, mport_attr); +} +EXPORT_SYMBOL(rio_query_mport); + +/** * rio_add_device- Adds a RIO device to the device model * @rdev: RIO device * |