]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
usb: cdnsp: Fix issue with CV Bad Descriptor test
authorPawel Laszczak <pawell@cadence.com>
Fri, 20 Jun 2025 08:23:12 +0000 (08:23 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 24 Jun 2025 14:42:39 +0000 (15:42 +0100)
commit2831a81077f5162f104ba5a97a7d886eb371c21c
treed8ffe7dde883421c841185898048e00e4807e3a7
parentbec15191d52300defa282e3fd83820f69e447116
usb: cdnsp: Fix issue with CV Bad Descriptor test

The SSP2 controller has extra endpoint state preserve bit (ESP) which
setting causes that endpoint state will be preserved during
Halt Endpoint command. It is used only for EP0.
Without this bit the Command Verifier "TD 9.10 Bad Descriptor Test"
failed.
Setting this bit doesn't have any impact for SSP controller.

Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
Cc: stable <stable@kernel.org>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/PH7PR07MB95382CCD50549DABAEFD6156DD7CA@PH7PR07MB9538.namprd07.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/cdns3/cdnsp-debug.h
drivers/usb/cdns3/cdnsp-ep0.c
drivers/usb/cdns3/cdnsp-gadget.h
drivers/usb/cdns3/cdnsp-ring.c