linux-kernel - Re: [PATCH 3/3] arm64: Use include/asm-generic/io.h

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Message-ID: <20140711130158.GA10827@ulmo>
Date:	Fri, 11 Jul 2014 15:01:59 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Russell King <linux@....linux.org.uk>,
	Will Deacon <Will.Deacon@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] arm64: Use include/asm-generic/io.h

On Fri, Jul 11, 2014 at 02:58:09PM +0200, Arnd Bergmann wrote:
> On Friday 11 July 2014, Catalin Marinas wrote:
> > ioread32() is indeed an alias for readl on arm64 but if the address it
> > gets as argument looks like an I/O port, it adds PCI_IOBASE (via the inl
> > macro). This would no longer happen with Thierry's patches.
> > 
> > So I guess that for this patch to work, we also need ioport_map() to
> > return an address from the PCI_IOBASE range. Should we merge this now as
> > well:
> > 
> > http://linux-arm.org/git?p=linux-ld.git;a=commitdiff;h=3423064d8e42a38164a8436bcdf7434cf9cd2192
> 
> This is also part of patch 1/3 in Thierry's series.

The hunk in my patch 1/3 is missing the "& IO_SPACE_LIMIT", I can respin
and include that.

Thierry

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