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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-01-12 09:50:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-03 19:39:21 +0300 |
| commit | 2ba5966eddefdf04306bd1da36811c8b83a9664d (patch) | |
| tree | 1d56912b5b29d01c3bdd29ef5e37ae8b64df181b /drivers/usb/gadget | |
| parent | e0096f93aa42d47f0277e28c3b26eaa5e1ebadd5 (diff) | |
| download | linux-2ba5966eddefdf04306bd1da36811c8b83a9664d.tar.xz | |
usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()
commit 11fb37998759c48e4e4c200c974593cbeab25d3e upstream.
The current code tries to test for bits that are masked out by
usb_endpoint_maxp(). Instead, use the proper accessor to access
the new high bandwidth bits.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/udc/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 284bd1a7b570..794bb4958383 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -923,7 +923,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget, return 0; /* "high bandwidth" works only at high speed */ - if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11)) + if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp_mult(desc) > 1) return 0; switch (type) { |