Re: [PATCH] Hexagon: Remove useless select of NO_IOPORT_MAP

From: rkuo
Date: Mon Sep 29 2014 - 21:25:45 EST


On Wed, Sep 24, 2014 at 09:21:51PM +0200, Paul Bolle wrote:
> Hexagon's primary Kconfig entry has a select for NO_IOPORT_MAP. But
> because hexagon never defines a Kconfig symbol NO_IOPORT_MAP this select
> is a nop. It can be removed.
>
> Perhaps hexagon should add its own Kconfig entry for NO_IOPORT_MAP and
> have it default to 'y'. But since no one apparently had any problems
> with HAS_IOPORT_MAP defaulting to 'y' on hexagon, as it currently does,
> that is unlikely.
>
> Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
> ---
> Tested by playing with arch/hexagon/configs/comet_defconfig. After "make
> oldconfig" the .config contains CONFIG_HAS_IOPORT_MAP=y both before and
> after this patch, as is expected.
>
> Actually, the only difference I found in the .config file was that after
> this patch the .config file contained
> CONFIG_HEXAGON=y
>
> I have no idea why. Did I botch my test?
>
> arch/hexagon/Kconfig | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
> index 4dc89d1f9c48..f1817eae107a 100644
> --- a/arch/hexagon/Kconfig
> +++ b/arch/hexagon/Kconfig
> @@ -19,7 +19,6 @@ config HEXAGON
> select GENERIC_IRQ_SHOW
> select HAVE_ARCH_KGDB
> select HAVE_ARCH_TRACEHOOK
> - select NO_IOPORT_MAP
> select GENERIC_IOMAP
> select GENERIC_SMP_IDLE_THREAD
> select STACKTRACE_SUPPORT
> --
> 1.9.3
>

There seemed to be a convoluted history behind the ioport options, but yes this
is no longer needed/doesn't actually do anything. Thanks!

Acked-by: Richard Kuo <rkuo@xxxxxxxxxxxxxx>


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