From: Linus Walleij <linus.walleij@linaro.org>
To: Tim Harvey <tharvey@gateworks.com>
Cc: Robert Richter <rrichter@marvell.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] gpio: thunderx: fix irq_request_resources
Date: Thu, 12 Mar 2020 14:42:05 +0100 [thread overview]
Message-ID: <CACRpkdb3VzOFmnZkXXopsbKAAiQ9nzsqm6fMpcsCfmuvmaeOmg@mail.gmail.com> (raw)
In-Reply-To: <1583941433-15876-1-git-send-email-tharvey@gateworks.com>
On Wed, Mar 11, 2020 at 4:43 PM Tim Harvey <tharvey@gateworks.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@gateworks.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)
2. If not, only propose it for linux-stable v5.5 etc.
Yours,
Linus Walleij
next prev parent reply other threads:[~2020-03-12 13:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 15:43 [PATCH] gpio: thunderx: fix irq_request_resources Tim Harvey
2020-03-12 13:42 ` Linus Walleij [this message]
2020-03-12 17:16 ` Tim Harvey
2020-03-13 15:01 ` Sasha Levin
2020-03-25 23:33 ` Linus Walleij
2020-03-13 15:31 ` Robert Richter
2020-03-13 19:12 ` Robert Richter
2020-03-13 19:41 ` Tim Harvey
2020-03-13 20:24 ` Robert Richter
2020-03-13 21:06 ` Tim Harvey
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