usb: gadget: net2280: fix infinite loop in irq handler

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With SuperSpeed CDC NCM gadget, net2280 would get stuck in
'handle_ep_small' function. Triggering issue requires large
TCP transfer from host to USB3380.

Patch adds check for stuck condition and prevents hard lockup.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@haltian.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

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Jussi Kivilinna 2016-08-12 17:29:34 +03:00 • committed by Felipe Balbi

parent 1650113888

commit 1de2ebfb8c

1 changed files with 37 additions and 3 deletions

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drivers/usb/gadget/udc/net2280.c

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