]> www.infradead.org Git - users/jedix/linux-maple.git/commit
usb: chipidea: udc: improve error recovery for ISO transfer
authorXu Yang <xu.yang_2@nxp.com>
Thu, 26 Sep 2024 02:29:06 +0000 (10:29 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 4 Oct 2024 13:14:09 +0000 (15:14 +0200)
commit47263478251bc21d81cc813bdcbcbbcd6bdac167
tree1b0351f25760ad5b9b24b15a6500b213f3cb7c47
parentb8c7f7e1884e701df977a315519739c98488345c
usb: chipidea: udc: improve error recovery for ISO transfer

Impove device mode ISO transfer error tolerant by reprime the corresponding
endpoint.

The recovery steps when error occurs:
- Delete the error dTD from dQH and giveback request to user.
- Do reprime if dQH is not empty.
- Do prime when new dTD is queued if dQH is empty

Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20240926022906.473319-3-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/chipidea/udc.c