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usb: cdns3: Enable TDL_CHK only for OUT ep
authorSanket Parmar <sparmar@cadence.com>
Mon, 17 May 2021 15:05:12 +0000 (17:05 +0200)
committerPeter Chen <peter.chen@kernel.org>
Tue, 25 May 2021 00:55:29 +0000 (08:55 +0800)
commitd6eef886903c4bb5af41b9a31d4ba11dc7a6f8e8
tree3f52af7a2dc178ec90b9a42db33648275b49c335tree
parent9e3927f6373da54cb17e17f4bd700907e1123d2fcommit | diff
usb: cdns3: Enable TDL_CHK only for OUT ep

ZLP gets stuck if TDL_CHK bit is set and TDL_FROM_TRB is used
as TDL source for IN endpoints. To fix it, TDL_CHK is only
enabled for OUT endpoints.

Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Reported-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Sanket Parmar <sparmar@cadence.com>
Link: https://lore.kernel.org/r/1621263912-13175-1-git-send-email-sparmar@cadence.com
Signed-off-by: Peter Chen <peter.chen@kernel.org>
drivers/usb/cdns3/cdns3-gadget.c diff | blob | history
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