linux-kernel - [PATCH 0/3] usb: dwc3: gadget: improve abbort transfer abort by adding more conditions

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Message-Id: <20240307-dwc3-gadget-complete-irq-v1-0-4fe9ac0ba2b7@pengutronix.de>
Date: Thu, 07 Mar 2024 16:22:02 +0100
From: Michael Grzeschik <m.grzeschik@...gutronix.de>
To: Thinh Nguyen <Thinh.Nguyen@...opsys.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Michael Grzeschik <m.grzeschik@...gutronix.de>
Subject: [PATCH 0/3] usb: dwc3: gadget: improve abbort transfer abort by
 adding more conditions

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@...gutronix.de>
---
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,
-- 
Michael Grzeschik <m.grzeschik@...gutronix.de>