linux-kernel - Re: [PATCH] gpio: thunderx: fix irq_request

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Message-ID: <20200313150105.GF1349@sasha-vm>
Date:   Fri, 13 Mar 2020 11:01:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>, stable@...r.kernel.org,
        Robert Richter <rrichter@...vell.com>,
        Lokesh Vutla <lokeshvutla@...com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio: thunderx: fix irq_request_resources

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@...aro.org> wrote:
>>
>> On Wed, Mar 11, 2020 at 4:43 PM Tim Harvey <tharvey@...eworks.com> 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@...eworks.com>
>>
>> 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@...r.kernel.org

Linus, could you ack this patch for stable?

-- 
Thanks,
Sasha