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driver core: Clarify documentation for fwnode_operations.add_links()

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The wording was a bit ambiguous. So update it to make it clear.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20191113023559.62295-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saravana Kannan 2019-11-12 18:35:59 -08:00 committed by Greg Kroah-Hartman
parent c745da8d43
commit bee3bbe616
1 changed files with 8 additions and 7 deletions
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15
include/linux/fwnode.h
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@ -94,15 +94,16 @@ struct fwnode_reference_args {
* available suppliers.
*
* Return 0 if device links have been successfully created to all
* the suppliers this device needs to create device links to or if
* the supplier information is not known.
* the known suppliers of this device or if the supplier
* information is not known.
*
* Return -ENODEV if and only if the suppliers needed for probing
* the device are not yet available to create device links to.
* Return -ENODEV if the suppliers needed for probing this device
* have not been registered yet (because device links can only be
* created to devices registered with the driver core).
*
* Return -EAGAIN if there are suppliers that need to be linked to
* that are not yet available but none of those suppliers are
* necessary for probing this device.
* Return -EAGAIN if some of the suppliers of this device have not
* been registered yet, but none of those suppliers are necessary
* for probing the device.
*/
struct fwnode_operations {
struct fwnode_handle *(*get)(struct fwnode_handle *fwnode);