linux-kernel - Re: [PATCH v4 05/41] counter: add HAS

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Message-ID: <ZGbQYzXK8InMqkxu@fedora>
Date:   Thu, 18 May 2023 21:26:59 -0400
From:   William Breathitt Gray <william.gray@...aro.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-pci@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        linux-iio@...r.kernel.org
Subject: Re: [PATCH v4 05/41] counter: add HAS_IOPORT dependencies

On Tue, May 16, 2023 at 01:00:01PM +0200, Niklas Schnelle 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.
> 
> Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>

Hi Niklas,

The change itself is fine, but please update the description to reflect
that this is adding a depends on HAS_IOPORT_MAP rather than HAS_IOPORT,
along with the reason why it's needed (i.e. devm_ioport_map() is used).

Thanks,

William Breathitt Gray

> ---
> Note: The HAS_IOPORT Kconfig option was added in v6.4-rc1 so
>       per-subsystem patches may be applied independently
> 
>  drivers/counter/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/counter/Kconfig b/drivers/counter/Kconfig
> index 4228be917038..e65a2bf178b8 100644
> --- a/drivers/counter/Kconfig
> +++ b/drivers/counter/Kconfig
> @@ -15,6 +15,7 @@ if COUNTER
>  config 104_QUAD_8
>  	tristate "ACCES 104-QUAD-8 driver"
>  	depends on (PC104 && X86) || COMPILE_TEST
> +	depends on HAS_IOPORT_MAP
>  	select ISA_BUS_API
>  	help
>  	  Say yes here to build support for the ACCES 104-QUAD-8 quadrature
> -- 
> 2.39.2
> 

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