diff options
| author | Johan Hovold <johan@kernel.org> | 2017-03-24 16:25:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-24 17:22:22 +0100 |
| commit | 2e58cafa0bbde529a9f44300382f60f6ce46d7d2 (patch) | |
| tree | e8a8bfb6eeb0fa4165c9036e5271a6b7e70f6cda /drivers/usb/core/usb.c | |
| parent | 5370860a1f0e6b4197982dc1d323f988f7b1b11d (diff) | |
USB: core: fix up kerneldoc comment
Make the kerneldoc comment for usb_find_common_endpoints_reverse()
self-contained by adding a full description and removing the reference
to usb_find_common_endpoints().
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 1ec9d248781e..28b053cacc90 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -165,9 +165,20 @@ EXPORT_SYMBOL_GPL(usb_find_common_endpoints); /** * usb_find_common_endpoints_reverse() -- look up common endpoint descriptors + * @alt: alternate setting to search + * @bulk_in: pointer to descriptor pointer, or NULL + * @bulk_out: pointer to descriptor pointer, or NULL + * @int_in: pointer to descriptor pointer, or NULL + * @int_out: pointer to descriptor pointer, or NULL + * + * Search the alternate setting's endpoint descriptors for the last bulk-in, + * bulk-out, interrupt-in and interrupt-out endpoints and return them in the + * provided pointers (unless they are NULL). + * + * If a requested endpoint is not found, the corresponding pointer is set to + * NULL. * - * Same as usb_find_common_endpoints(), but the endpoint descriptors are - * searched in reverse order (see usb_find_common_endpoints() for details). + * Return: Zero if all requested descriptors were found, or -ENXIO otherwise. */ int usb_find_common_endpoints_reverse(struct usb_host_interface *alt, struct usb_endpoint_descriptor **bulk_in, |