Re: [PATCH 1/2] arm/virt: fix irq mapping for gpio_pwr

[Peter Maydell <peter.maydell@linaro.org>]

On Fri, 25 Jun 2021 at 12:18, Maxim Uvarov <maxim.uvarov@linaro.org> wrote:
>
> Fix irq mapping for virt machine reboot and shutdown
> interrupts triggered from ATF code.
>
> Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
> ---
>  hw/arm/virt.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 4b96f06014..d83f4ebdd3 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -846,8 +846,8 @@ static void create_gpio_keys(char *fdt, DeviceState *pl061_dev,
>                             "gpios", phandle, 3, 0);
>  }
>
> -#define SECURE_GPIO_POWEROFF 0
> -#define SECURE_GPIO_RESET    1
> +#define SECURE_GPIO_POWEROFF 1
> +#define SECURE_GPIO_RESET    2

I don't understand why this is needed. QEMU counts its GPIO
lines from 0 for the PL061, so wiring up lines 1 and 2
should be no different from using lines 0 and 1 (either way,
we tell the guest what lines to use in the device tree).

-- PMM