linux-kernel - Re: [PATCH] Kconfig cleanup (PARPORT

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Message-ID: <52321F0B.4070609@zytor.com>
Date:	Thu, 12 Sep 2013 13:07:39 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mark Salter <msalter@...hat.com>
CC:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	rth@...ddle.net, vgupta@...opsys.com, linux@....linux.org.uk,
	tony.luck@...el.com, geert@...ux-m68k.org, monstr@...str.eu,
	ralf@...ux-mips.org, jejb@...isc-linux.org,
	benh@...nel.crashing.org, lethal@...ux-sh.org, davem@...emloft.net,
	cmetcalf@...era.com, gxt@...c.pku.edu.cn, tglx@...utronix.de,
	mingo@...hat.com
Subject: Re: [PATCH] Kconfig cleanup (PARPORT_PC dependencies)

On 09/12/2013 11:53 AM, Mark Salter wrote:
>  
> diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig
> index 70694ce..fa005a9 100644
> --- a/drivers/parport/Kconfig
> +++ b/drivers/parport/Kconfig
> @@ -35,9 +35,7 @@ if PARPORT
>  
>  config PARPORT_PC
>  	tristate "PC-style hardware"
> -	depends on (!SPARC64 || PCI) && !SPARC32 && !M32R && !FRV && !S390 && \
> -		(!M68K || ISA) && !MN10300 && !AVR32 && !BLACKFIN && \
> -		!XTENSA && !CRIS && !H8300
> +	depends on ARCH_MAY_HAVE_PC_PARPORT
>  
>  	---help---
>  	  You should say Y here if you have a PC-style parallel port. All
> 

I'm somewhat astonished that this driver is that problematic.  It is
really just a very basic PIO interface, at least in the absence of EPP/ECP.

It is, of course, also largely a dead interface at this point so it
probably doesn't matter.

	-hpa

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