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(parent: ab58f3b) | patch
xhci: get isochronous ring directly from endpoint structure
authorMathias Nyman <mathias.nyman@linux.intel.com>
Fri, 29 Jan 2021 13:00:19 +0000 (15:00 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jan 2021 13:16:50 +0000 (14:16 +0100)
commitd4dff8043ea5b93a30cb9b19d4407bd506a6877a
tree55ad3ffa82cac6ff75eb65943b8698a531dafbf6tree | snapshot
parentab58f3bb6aaaf98ba81d5c627ac25c08ff4ed4f1commit | diff
xhci: get isochronous ring directly from endpoint structure

isochronous endpoints do not support streams, meaning that
there is only one ring per endpoint.

Avoid double-fetching the transfer event DMA to get the
ring. Also makes passing the event to skip_isoc_td() uncecessary.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210129130044.206855-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-ring.c diff | blob | history
Domain: System / Kernel;