Re: [PATCH v2 14/14] Kconfig cleanup (PARPORT_PC dependencies)

[Ingo Molnar <mingo@kernel.org>]

* Mark Salter <msalter@redhat.com> wrote:

> Remove messy dependencies from PARPORT_PC by having it depend on one
> Kconfig symbol (ARCH_MAY_HAVE_PC_PARPORT) and having architectures
> which need it, select ARCH_MAY_HAVE_PC_PARPORT in arch/*/Kconfig.
> New architectures are unlikely to need PARPORT_PC, so this avoids
> having an ever growing list of architectures to exclude. Those
> architectures which do select ARCH_MAY_HAVE_PC_PARPORT in this
> patch are the ones which have an asm/parport.h (or use the generic
> version).
> 
> Signed-off-by: Mark Salter <msalter@redhat.com>
> CC: Richard Henderson <rth@twiddle.net>
> CC: linux-alpha@vger.kernel.org
> CC: Vineet Gupta <vgupta@synopsys.com>
> CC: Russell King <linux@arm.linux.org.uk>
> CC: linux-arm-kernel@lists.infradead.org
> CC: Tony Luck <tony.luck@intel.com>
> CC: Fenghua Yu <fenghua.yu@intel.com>
> CC: linux-ia64@vger.kernel.org
> CC: Geert Uytterhoeven <geert@linux-m68k.org>
> CC: linux-m68k@lists.linux-m68k.org
> CC: Michal Simek <monstr@monstr.eu>
> CC: microblaze-uclinux@itee.uq.edu.au
> CC: Ralf Baechle <ralf@linux-mips.org>
> CC: linux-mips@linux-mips.org
> CC: "James E.J. Bottomley" <jejb@parisc-linux.org>
> CC: Helge Deller <deller@gmx.de>
> CC: linux-parisc@vger.kernel.org
> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> CC: Paul Mackerras <paulus@samba.org>
> CC: linuxppc-dev@lists.ozlabs.org
> CC: Paul Mundt <lethal@linux-sh.org>
> CC: linux-sh@vger.kernel.org
> CC: "David S. Miller" <davem@davemloft.net>
> CC: sparclinux@vger.kernel.org
> CC: Guan Xuetao <gxt@mprc.pku.edu.cn>
> CC: Thomas Gleixner <tglx@linutronix.de>
> CC: Ingo Molnar <mingo@redhat.com>
> CC: "H. Peter Anvin" <hpa@zytor.com>
> CC: x86@kernel.org
> ---
>  drivers/parport/Kconfig | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig
> index 70694ce..a079b18 100644
> --- a/drivers/parport/Kconfig
> +++ b/drivers/parport/Kconfig
> @@ -31,13 +31,17 @@ menuconfig PARPORT
>  
>  	  If unsure, say Y.
>  
> +config ARCH_MAY_HAVE_PC_PARPORT
> +	bool
> +	help
> +	  Select this config option from the architecture Kconfig if
> +	  the architecture may have PC parallel port hardware.
> +
>  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

Since it's not a permission to have a parallel port but a possibility,
I suspect the whole series needs a:

  s/MAY_HAVE/MIGHT_HAVE
  s/may have/might have

Otherwise:

  Acked-by: Ingo Molnar <mingo@kernel.org>

Thanks,

	Ingo