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Message-ID: <9812574.z3kqYUtTCC@archbook>
Date: Thu, 02 Dec 2021 17:45:49 +0100
From: Nicolas Frattaroli <frattaroli.nicolas@...il.com>
To: linux-gpio@...r.kernel.org, linux-rockchip@...ts.infradead.org
Cc: John Keeping <john@...anate.com>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Heiko Stuebner <heiko@...ech.de>,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
John Keeping <john@...anate.com>
Subject: Re: [PATCH] gpio/rockchip: lock GPIOs used as interrupts
On Donnerstag, 2. Dezember 2021 16:50:21 CET John Keeping wrote:
> Use the standard gpiochip request/release resource functions so that any
> GPIOs used as interrupts are properly locked. This allows libgpiod to
> correctly show these GPIOs as in-use.
>
> Signed-off-by: John Keeping <john@...anate.com>
Tested-by: Nicolas Frattaroli <frattaroli.nicolas@...il.com>
Applied this on my Quartz64 Model A (RK3566) where I currently am
having a play with some SPI devices. Now gpioinfo correctly shows
the interrupt pin as being in use.
Before:
line 3: unnamed unused input active-high
After:
line 3: unnamed "interrupt" input active-high [used]
Regards,
Nicolas Frattaroli
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