# Re: \[RFC,PATCH\] Cleanup PC parallel port Kconfig

- From: H. Peter Anvin \<hpa@zytor.com\>
- Date: 2011-06-14 20:25:46 
- List: linux-arch
- Page: https://ratatoskr.run/linux-arch/2011/06/8577805
- Thread: https://ratatoskr.run/linux-arm-kernel/2011/06/8577797/t.md

```text
On 06/14/2011 12:08 PM, Ralf Baechle wrote:
> The PC parallel port Kconfig as acquired one of those messy terms to
> describe it's architecture dependencies:
> 
>        depends on (!SPARC64 || PCI) && !SPARC32 && !M32R && !FRV && \
>                (!M68K || ISA) && !MN10300 && !AVR32 && !BLACKFIN
> 
> This isn't just ugly - it also almost certainly describes the dependencies
> too coarse grainedly.  This is an attempt at cleaing the mess up.
> 
> I tried to faithfully aproximate the old behaviour but the existing
> behaviour seems inacurate if not wrong for some architectures or platforms.
> To improve on this I rely on comments from other arch and platforms
> maintainers.  Any system that can take PCI multi-IO card or has a PC-style
> parallel port on the mainboard should probably should now do a
> select HAVE_PC_PARPORT.  And some arch Kconfig files should further
> restrict the use of HAVE_PC_PARPORT to only those platforms that actually
> need it.
> 

Why on earth restrict it like that?  It's just a device driver, like
more or less any other device driver...

	-hpa
```