On 12/6/21 1:22 AM, Phil Elwell wrote:
> ...and gpio-ranges
>
> pinctrl-bcm2835 is a combined pinctrl/gpio driver. Currently the gpio
> side is registered first, but this breaks gpio hogs (which are
> configured during gpiochip_add_data). Part of the hog initialisation
> is a call to pinctrl_gpio_request, and since the pinctrl driver hasn't
> yet been registered this results in an -EPROBE_DEFER from which it can
> never recover.
>
> Change the initialisation sequence to register the pinctrl driver
> first.
>
> This also solves a similar problem with the gpio-ranges property, which
> is required in order for released pins to be returned to inputs.
>
> Fixes: 73345a18d464b ("pinctrl: bcm2835: Pass irqchip when adding gpiochip")
> Signed-off-by: Phil Elwell <phil@xxxxxxxxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
--
Florian
