linux-kernel - Re: [PATCH v5 07/44] counter: add HAS_IOPORT

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Message-ID: <ZIHs55tweGZTIiYk@ishi>
Date:   Thu, 8 Jun 2023 10:59:51 -0400
From:   William Breathitt Gray <wbg@...nel.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        William Breathitt Gray <william.gray@...aro.org>,
        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 v5 07/44] counter: add HAS_IOPORT_MAP dependency

On Mon, May 22, 2023 at 12:50:12PM +0200, Niklas Schnelle wrote:
> The 104_QUAD_8 counter driver uses devm_ioport_map() without depending
> on HAS_IOPORT_MAP. This means the driver is not usable on platforms such
> as s390 which do not support I/O port mapping. Add the missing
> HAS_IOPORT_MAP dependency to make this explicit.
> 
> 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>
> ---
>  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
> 

This has a minor merge conflict with the current Kconfig in the Counter
tree. Would you rebase on the counter-next branch and resubmit?

Thanks,

William Breathitt Gray

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