From: Linus Walleij <linus.walleij@linaro.org>
To: "Johnson CH Chen (陳昭勳)" <JohnsonCH.Chen@moxa.com>
Cc: "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"zero19850401@gmail.com" <zero19850401@gmail.com>
Subject: Re: [PATCH] gpio: mpc8xxx: Add platform device to gpiochip->parent
Date: Thu, 28 Nov 2019 14:39:10 +0100 [thread overview]
Message-ID: <CACRpkdax5H0ar3ujKDohXvDZAXPWNWFKE1_AX9tn1FEOv5Yteg@mail.gmail.com> (raw)
In-Reply-To: <HK0PR01MB3521489269F76467DFD7843FFA450@HK0PR01MB3521.apcprd01.prod.exchangelabs.com>
Hi Johnson,
On Tue, Nov 26, 2019 at 7:51 AM Johnson CH Chen (陳昭勳)
<JohnsonCH.Chen@moxa.com> wrote:
> In old kernels, some APIs still try to use parent->of_node from struct gpio_chip,
> and it could be resulted in kernel panic because parent is NULL. Adding platform
> device to gpiochip->parent can fix this problem.
>
> Signed-off-by: Johnson Chen <johnsonch.chen@moxa.com>
> Link: https://patchwork.kernel.org/patch/11234609
Patch applied for fixes!
Yours,
Linus Walleij
prev parent reply other threads:[~2019-11-28 13:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 6:51 [PATCH] gpio: mpc8xxx: Add platform device to gpiochip->parent Johnson CH Chen (陳昭勳)
2019-11-28 13:39 ` Linus Walleij [this message]
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