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usb: rework usb_maxpacket() using usb_pipe_endpoint()
author
Vincent Mailhol
<mailhol.vincent@wanadoo.fr>
Thu, 17 Mar 2022 03:55:14 +0000
(12:55 +0900)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Sat, 23 Apr 2022 08:33:53 +0000
(10:33 +0200)
Rework the body of usb_maxpacket() and just rely on the
usb_pipe_endpoint() helper function to retrieve the host endpoint
instead of doing it by hand.
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link:
https://lore.kernel.org/r/20220317035514.6378-10-mailhol.vincent@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/usb.h
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diff --git
a/include/linux/usb.h
b/include/linux/usb.h
index
8127782
..
60bee86
100644
(file)
--- a/
include/linux/usb.h
+++ b/
include/linux/usb.h
@@
-1971,13
+1971,7
@@
usb_pipe_endpoint(struct usb_device *dev, unsigned int pipe)
static inline u16 usb_maxpacket(struct usb_device *udev, int pipe)
{
- struct usb_host_endpoint *ep;
- unsigned epnum = usb_pipeendpoint(pipe);
-
- if (usb_pipeout(pipe))
- ep = udev->ep_out[epnum];
- else
- ep = udev->ep_in[epnum];
+ struct usb_host_endpoint *ep = usb_pipe_endpoint(udev, pipe);
if (!ep)
return 0;