From: Thierry Reding <thierry.reding@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Russell King <linux@arm.linux.org.uk>,
Will Deacon <Will.Deacon@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] arm64: Use include/asm-generic/io.h
Date: Fri, 11 Jul 2014 15:01:59 +0200 [thread overview]
Message-ID: <20140711130158.GA10827@ulmo> (raw)
In-Reply-To: <201407111458.09884.arnd@arndb.de>
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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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From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] arm64: Use include/asm-generic/io.h
Date: Fri, 11 Jul 2014 15:01:59 +0200 [thread overview]
Message-ID: <20140711130158.GA10827@ulmo> (raw)
In-Reply-To: <201407111458.09884.arnd@arndb.de>
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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next prev parent reply other threads:[~2014-07-11 13:02 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-09 15:11 [PATCH 1/3] asm-generic/io.h: Implement generic {read,write}s*() Thierry Reding
2014-07-09 15:11 ` Thierry Reding
2014-07-09 15:11 ` [PATCH 2/3] ARM: Use include/asm-generic/io.h Thierry Reding
2014-07-09 15:11 ` Thierry Reding
2014-07-09 15:11 ` [PATCH 3/3] arm64: " Thierry Reding
2014-07-09 15:11 ` Thierry Reding
2014-07-10 11:00 ` Catalin Marinas
2014-07-10 11:00 ` Catalin Marinas
2014-07-10 13:14 ` Arnd Bergmann
2014-07-10 13:14 ` Arnd Bergmann
2014-07-11 12:19 ` Catalin Marinas
2014-07-11 12:19 ` Catalin Marinas
2014-07-11 12:58 ` Arnd Bergmann
2014-07-11 12:58 ` Arnd Bergmann
2014-07-11 13:01 ` Thierry Reding [this message]
2014-07-11 13:01 ` Thierry Reding
2014-07-11 14:00 ` Catalin Marinas
2014-07-11 14:00 ` Catalin Marinas
2014-07-09 17:38 ` [PATCH 1/3] asm-generic/io.h: Implement generic {read,write}s*() Sam Ravnborg
2014-07-09 17:38 ` Sam Ravnborg
2014-07-10 10:38 ` Arnd Bergmann
2014-07-10 10:38 ` Arnd Bergmann
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