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> On Tue, Apr 04, 2023 at 01:29:09PM +0200, Pavel Machek wrote:
> > Hi!
> >
> > > From: Mario Limonciello <mario.limonciello@xxxxxxx>
> > >
> > > commit 1716efdb07938bd6510e1127d02012799112c433 upstream.
> > >
> > > `ring_interrupt_index` doesn't change the data for `ring` so mark it as
> > > const. This is needed by the following patch that disables interrupt
> > > auto clear for rings.
> >
> > Yeah, nice cleanup. But do we really need it in -stable?
>
> Yes, it was followed by a fix patch that needs this:
>
> 468c49f44759 ("thunderbolt: Disable interrupt auto clear for rings")
>
> I marked both for stable but perhaps the latter did not apply cleanly
> for v5.10?
468c49f44759 was a fix for 7a1808f82a37 which landed in 5.15-rc1.
The relevant AMD hardware w/ USB4 wasn't supported back in 5.10.
So no big reason to take this const qualifier patch in for 5.10 IMO.
