On Thu, Mar 07, 2024 at 04:22:02PM +0100, Michael Grzeschik wrote:
The dwc3 gadget driver is correctly checking the prepare and started
request lists for potential underruns and will stop the running transfer
in that case. However it is possible that the running pipeline will lead
into more underrun scenarios, which can be avoided and be detected. This
series is adding the corresponding code to ensure that an underrun
transfer will be handled properly.
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
---
Michael Grzeschik (3):
usb: dwc3: gadget: reclaim the whole started list when request was missed
usb: dwc3: gadget: check drained isoc ep
usb: dwc3: gadget: check the whole started queue for missed requests in complete
drivers/usb/dwc3/gadget.c | 38 ++++++++++++++++++++++++++++++++++++--
1 file changed, 36 insertions(+), 2 deletions(-)
---
base-commit: dfea18989aa7beb42c2cb6344fe8787de35d9471
change-id: 20240307-dwc3-gadget-complete-irq-1a8ffa347fd1
Best regards,
Since it is not right to fully stop the ep after one missed transfer was detected, this series is not correct anymore. We solve the overall issue in the upper layer now. Besides the patch "usb: dwc3: gadget: check drained isoc ep" is not completely wrong, I will resend that one in another veriant. mgr -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
Attachment:
signature.asc
Description: PGP signature
