linux-kernel - Re: [PATCH v1 1/3] ARM64 LPC: indirect ISA PORT IO introduced

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Date:	Mon, 4 Jan 2016 10:11:24 +0000
From:	Will Deacon <will.deacon@....com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Rongrong Zou <zourongrong@...wei.com>,
	Rongrong Zou <zourongrong@...il.com>, minyard@....org,
	gregkh@...uxfoundation.org, catalin.marinas@....com,
	linuxarm@...wei.com, linux-kernel@...r.kernel.org,
	benh@...nel.crashing.org, lijianhua@...wei.com
Subject: Re: [PATCH v1 1/3] ARM64 LPC: indirect ISA PORT IO introduced

On Wed, Dec 30, 2015 at 10:42:50AM +0100, Arnd Bergmann wrote:
> On Wednesday 30 December 2015 17:28:20 Rongrong Zou wrote:
> > >>
> > >
> > > config ARM64_INDIRECT_PIO
> > >       bool
> > >       help
> > >         Any driver that provides indirect ISA I/O port access should select
> > >         this symbol
> > 
> > 
> > >
> > > config HISILICON_HI123456_LPC
> > >       bool "Workaround for nonstandard ISA I/O space on Hisilicon Hi123456 SoC"
> > >       depends on ARCH_HISI || COMPILE_TEST
> > >       select ARM64_INDIRECT_PIO
> > >       help
> > >         ...
> > Can it be a submenu of "Platform selection--->Hisilicon SoC Family"?
> 
> The first should be in the main Kconfig file for arm64, the second one depends
> on where we put the respective code. I'd say both the Kconfig entry and the file
> can go into drivers/bus, but arch/arm64/kernel/ is also fine with me.

Unsurprisingly, I'd *much* prefer drivers/bus/ !

Will
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