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rapidio: add query_mport operation

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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>
This commit is contained in:
Alexandre Bounine
2016-03-22 14:26:00 -07:00
committed by Linus Torvalds
parent d2a321f37e
commit 8b189fdbc5
3 changed files with 69 additions and 0 deletions
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17
drivers/rapidio/rio.c
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@@ -67,6 +67,23 @@ u16 rio_local_get_device_id(struct rio_mport *port)
return (RIO_GET_DID(port->sys_size, result));
}
/**
* 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