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

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Date:   Thu, 3 Dec 2020 20:01:10 +0100
From:   "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
To:     Randy Dunlap <rdunlap@...radead.org>,
        "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 27.11.20 19:45, Randy Dunlap wrote:
> 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

thx. fixed in v2.


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

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287