Re: [PATCH] gpio/rockchip: lock GPIOs used as interrupts
From: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Date: 2021-12-02 16:45:59
Also in:
linux-gpio, linux-rockchip, lkml
From: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Date: 2021-12-02 16:45:59
Also in:
linux-gpio, linux-rockchip, lkml
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 <redacted>
Tested-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.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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