]> git.baikalelectronics.ru Git - kernel.git/commit
usb: cdns3: fix issue with rearming ISO OUT endpoint
authorPawel Laszczak <pawell@cadence.com>
Thu, 25 Aug 2022 06:21:37 +0000 (08:21 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 28 Sep 2022 09:04:02 +0000 (11:04 +0200)
commit749e20e92edc78568e31371bbac5455a39ef0c79
treed520f356cba4b51e264ba88f5adbb493c5deda8c
parent057828ab40f9d33e1c447430fc3ea684fe0c586f
usb: cdns3: fix issue with rearming ISO OUT endpoint

[ Upstream commit 94c1fe44756f1961fac2b59724ed33e7dab9c016 ]

ISO OUT endpoint is enabled during queuing first usb request
in transfer ring and disabled when TRBERR is reported by controller.
After TRBERR and before next transfer added to TR driver must again
reenable endpoint but does not.
To solve this issue during processing TRBERR event driver must
set the flag EP_UPDATE_EP_TRBADDR in priv_ep->flags field.

Fixes: 890954bdc8d0 ("usb: cdns3: Add Cadence USB3 DRD Driver")
cc: <stable@vger.kernel.org>
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20220825062137.5766-1-pawell@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/cdns3/gadget.c