xhci: add xhci_get_virt_ep() helper

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In several event handlers we need to find the right endpoint
structure from slot_id and ep_index in the event.

Add a helper for this, check that slot_id and ep_index are valid.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210129130044.206855-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mathias Nyman 2021-01-29 15:00:22 +02:00 • committed by Greg Kroah-Hartman

parent a181030703

commit b1adc42d44

2 changed files with 52 additions and 25 deletions

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74

drivers/usb/host/xhci-ring.c

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3

drivers/usb/host/xhci.h

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