Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-xilinx-zynqmp (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2055237
Title:
Backport ps uart RS485 driver
Status in linux-xilinx-zynqmp package in Ubuntu:
Confirmed
Status in linux-xilinx-zynqmp source package in Jammy:
Incomplete
Status in linux-xilinx-zynqmp source package in Noble:
Fix Committed
Bug description:
[ Impact ]
* Backports support for rs485 to the uartps driver from the tty staging tree
* One device tree patch is taken from the vendor's tree .
[ Test Plan ]
* Testing is needed to ensure this doesn't break the serial console on
current platforms. QA will develop a new automated test to be integrated into
cert testing
* Testing of the RS485 port will be integrated into the cert testing for the
KD240
[ Where problems could occur ]
* The patches have not landed in mainline and are being pulled from the
maintainers tree. There is a risk they will be rejected from mainline.
* One patch is not in mainline and only exists on the vendor tree , it is a
device tree change.
[ Other info ]
* The following 3 patches are required from the tty-dev tree. All other
patches were pulled in to support the backport.
1.
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=32152467ffac3b79eae7313959c310946b0e6072
2.
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=74231ab6cc2d02303ddf1fabd878756c52f788a5
3.
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=fccc9d9233f918ee50cf2955ae7134a7f3418351
4.
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=cc3236cd758b07c1f36cabd55ea1740f0881faa0
5.
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=b4337685010990385901405cc317a5a46b147b5a
6.
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=e3896be240780ccade65cc6cc8925c6f12e7f6c6
7.
https://github.com/Xilinx/linux-xlnx/commit/6472141dd7401ff43fc0fbb3dbc253454c5be2ee
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