[PATCH 0/2] USB: dwc2: Fix handling NAK

Sascha Hauer
2026-04-20T11:21:25Z

A NAK should return -EAGAIN to let the retry logic work. This showed up
on a Samsung USB-C memory stick which otherwise was recognized, but
couldn't be initialized.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
Sascha Hauer (2):
usb: dwc2: handle NAK when CHHLTD does not fire
usb: dwc2: fix data toggle reset direction on ClearFeature(ENDPOINT_HALT)

drivers/usb/dwc2/host.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
---
base-commit: 92d9725c3945aff9d157531be844fa256444165d
change-id: 20260420-usb-dwc2-usb-c-stick-ea31c736477c

Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>