diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2025-08-20 17:38:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-06 15:25:05 +0200 |
| commit | 53d76c6866a0362320b837dd292db4befcac31ba (patch) | |
| tree | 44979971a2c61f58d927326d0d1d8c5820282bc1 | |
| parent | 030ab58b075c04b5286d2787860373dcc30020c6 (diff) | |
usb: core: eUSB2 companion descriptor is for isoc IN endpoints only
The eUSB2 isochronous double bandwidth endpoint descriptor is allowed for
the isochronous IN endpoints, according to the ECN. Do not parse these
descriptors if they are found in interrupt or OUT endpoints.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250820143824.551777-4-sakari.ailus@linux.intel.com
| -rw-r--r-- | drivers/usb/core/config.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 29fcbd6de482..baf5bc844b6f 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -508,8 +508,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, /* Parse a possible eUSB2 periodic endpoint companion descriptor */ if (udev->speed == USB_SPEED_HIGH && bcdUSB == 0x0220 && - !le16_to_cpu(d->wMaxPacketSize) && - (usb_endpoint_xfer_isoc(d) || usb_endpoint_xfer_int(d))) + !le16_to_cpu(d->wMaxPacketSize) && usb_endpoint_is_isoc_in(d)) usb_parse_eusb2_isoc_endpoint_companion(ddev, cfgno, inum, asnum, endpoint, buffer, size); |