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SubjectRe: [PATCH 2/8] powerpc: simplify CONFIG_PCI_QSPAN Kconfig magic
On Sun, Oct 14, 2018 at 12:11 AM Christoph Hellwig <hch@lst.de> wrote:
>
> The way how CONFIG_PCI_QSPAN selects the CONFIG_PCI default is highly
> unusual and gets in the way of moving CONFIG_PCI into
> drivers/pci/Kconfig. Simplify it by just having it depend on
> CONFIG_PCI.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> arch/powerpc/Kconfig | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index a80669209155..6fa6f92edb7f 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -955,7 +955,6 @@ config PCI
> bool "PCI support" if PPC_PCI_CHOICE
> default y if !40x && !CPM2 && !PPC_8xx && !PPC_83xx \
> && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON
> - default PCI_QSPAN if PPC_8xx
> select GENERIC_PCI_IOMAP
> help
> Find out whether your system includes a PCI bus. PCI is the name of
> @@ -971,7 +970,7 @@ config PCI_SYSCALL
>
> config PCI_QSPAN
> bool "QSpan PCI"
> - depends on PPC_8xx
> + depends on PPC_8xx && PCI
> select PPC_I8259
> help
> Say Y here if you have a system based on a Motorola 8xx-series
> --
> 2.19.1
>



'git grep' did not get any other hit.

masahiro@pug:~/ref/linux$ git grep PCI_QSPAN
arch/powerpc/Kconfig: default PCI_QSPAN if PPC_8xx
arch/powerpc/Kconfig:config PCI_QSPAN

With your patch, PCI_QSPAN will become
a dead config option.

How about removing it entirely?



--
Best Regards
Masahiro Yamada

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