On Mon, 01 Jul 2024 13:15:05 +0530, Krishna Kumar wrote:
> The fix of Powerpc hotplug driver (drivers/pci/hotplug/pnv_php.c)
> addresses below two issues.
>
> 1. Kernel Crash during hot unplug of bridge/switch slot.
>
> 2. Bridge Support Enablement - Previously, when we do a hot-unplug
> operation on a bridge slot, all the ports and devices behind the
> bridge-ports would be hot-unplugged/offline, but when we do a hot-plug
> operation on the same bridge slot, all the ports and devices behind the
> bridge would not get hot-plugged/online. In this case, Only the first
> port of the bridge gets enabled and the remaining port/devices remain
> unplugged/offline. After the fix, The hot-unplug and hot-plug
> operations on the slot associated with the bridge started behaving
> correctly and became in sync. Now, after the hot plug operation on the
> same slot, all the bridge ports and devices behind the bridge become
> hot-plugged/online/restored in the same manner as it was before the
> hot-unplug operation.
>
> [...]
Applied to powerpc/next.
[1/2] pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv
https://git.kernel.org/powerpc/c/335e35b748527f0c06ded9eebb65387f60647fda
[2/2] powerpc: hotplug driver bridge support
https://git.kernel.org/powerpc/c/20ce0c247b2500cb7060cb115274ba71abda2626
cheers
