Re: [PATCH] gpio: thunderx: fix irq_request_resources

[Sasha Levin]

On Thu, Mar 12, 2020 at 10:16:40AM -0700, Tim Harvey wrote:
> On Thu, Mar 12, 2020 at 6:42 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> > On Wed, Mar 11, 2020 at 4:43 PM Tim Harvey <tharvey@xxxxxxxxxxxxx> wrote:
> >
> > > If there are no parent resources do not call irq_chip_request_resources_parent
> > > at all as this will return an error.
> > >
> > > This resolves a regression where devices using a thunderx gpio as an interrupt
> > > would fail probing.
> > >
> > > Fixes: 0d04d0c ("gpio: thunderx: Use the default parent apis for {request,release}_resources")
> > > Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
> >
> > This patch does not apply to the mainline kernel or v5.6-rc1.
> >
> > Please verify:
> > 1. If the problem is still in v5.6 (we refactored the driver to
> >    use GPIOLIB_IRQCHIP)
>
> Linus,
>
> Sorry, another issue was keeping me from being able to boot 5.6-rc but
> that's now understood and I can confirm the issue is not present in
> v5.6-rc5
>
> > 2. If not, only propose it for linux-stable v5.5 etc.
>
> Yes, needs to be applied to v5.2, v5.3, v5.4, v5.5. I cc'd stable. If
> I need to re-submit please let me know.
>
> Cc: stable@xxxxxxxxxxxxxxx

Linus, could you ack this patch for stable?

--
Thanks,
Sasha