Public bug reported:
SRU Justification:
[Impact]
In the existing PKA driver implementation, the PKA module cannot be
removed cleanly during runtime. As a result, running modprobe/insmod
after rmmod will trigger error. This means once the PKA module is
removed, it cannot be reinstalled without a system reboot.
[Fix]
Use device safe API to handle memory region request and make sure the
driver unregister path is clean.
[Test Case]
- Verify the PKA module can be successfully reinstalled by running
modprobe/insmod and rmmod repeatedly.
- Verify the PKA module functionality when the PKA module is installed.
[Other]
* This code is likely to change depending on feedback we received from
maintainers.
** Affects: linux-bluefield (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2138411
Title:
mlxbf_pka: fix modprobe/rmmod and IO resource conflicts
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