[PATCH] net: stmmac: Support gpio high-level reset for devices requiring it
Russell King (Oracle)
linux at armlinux.org.uk
Tue Jul 8 21:25:04 PDT 2025
On Wed, Jul 09, 2025 at 09:58:21AM +0800, lizhe wrote:
> Hi,
>
> Thx !
>
> i conducted an experiment, and no matter whether i configured it as
> GPIO_ACTIVE_LOW or GPIO_ACTIVE_HIGH in the dts, the resulting
> GPIO pin state was 0, indicating a low level.
>
>
> if (delays[2])
> msleep(DIV_ROUND_UP(DELAYS[2], 1000));
>
> + gpio_state = gpiod_get_value_can_sleep(reset_gpio);
> + pr_info("gpio_state: %d\n", gpio_state);
Use gpiod_get_raw_value_cansleep().
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