linux-kernel - Re: [PATCH] drivers: gpio: add virtio-gpio guest driver

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Date:   Fri, 27 Nov 2020 10:45:43 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        linux-kernel@...r.kernel.org
Cc:     linus.walleij@...aro.org, bgolaszewski@...libre.com,
        mst@...hat.com, jasowang@...hat.com, linux-gpio@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH] drivers: gpio: add virtio-gpio guest driver

On 11/27/20 10:30 AM, Enrico Weigelt, metux IT consult wrote:
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index 5d4de5cd6759..e8414d82cf75 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -1613,4 +1613,13 @@ config GPIO_MOCKUP
>  	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
>  	  it.
>  
> +config GPIO_VIRTIO
> +	tristate "VirtIO GPIO support"
> +	depends on VIRTIO
> +	help
> +	  Say Y here to enable guest support for virtio based GPIOs.

	                                         virtio-based

> +
> +	  These virtual gpios can be routed to real GPIOs or attached to

	                GPIOs

> +	  simulators on the host (qemu).
> +
>  endif


-- 
~Randy