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Date:   Sat, 20 May 2023 16:40:21 +0100
From:   Jonathan Cameron <jic23@kernel.org>
To:     Niklas Schnelle <schnelle@linux.ibm.com>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Uwe =?UTF-8?B?S2xlaW5lLUvDtm5pZw==?= 
        <u.kleine-koenig@pengutronix.de>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Alan Stern <stern@rowland.harvard.edu>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
        linux-pci@vger.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>,
        Arnd Bergmann <arnd@kernel.org>, linux-iio@vger.kernel.org
Subject: Re: [PATCH v4 12/41] iio: ad7606: Kconfig: add HAS_IOPORT
 dependencies
Message-ID: <20230520164021.4298161a@jic23-huawei>
In-Reply-To: <20230516110038.2413224-13-schnelle@linux.ibm.com>
References: <20230516110038.2413224-1-schnelle@linux.ibm.com>
        <20230516110038.2413224-13-schnelle@linux.ibm.com>
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On Tue, 16 May 2023 13:00:08 +0200
Niklas Schnelle <schnelle@linux.ibm.com> wrote:

> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add HAS_IOPORT as dependency for
> those drivers using them.
> 
> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Co-developed-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Applied to the togreg branch of iio.git and pushed out as testing for
0-day to take a first look at it.

Thanks

Jonathan

> ---
> Note: The HAS_IOPORT Kconfig option was added in v6.4-rc1 so
>       per-subsystem patches may be applied independently
> 
>  drivers/iio/adc/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index eb2b09ef5d5b..53098aca06ea 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -145,7 +145,7 @@ config AD7606
>  
>  config AD7606_IFACE_PARALLEL
>  	tristate "Analog Devices AD7606 ADC driver with parallel interface support"
> -	depends on HAS_IOMEM
> +	depends on HAS_IOPORT
>  	select AD7606
>  	help
>  	  Say yes here to build parallel interface support for Analog Devices: