From mboxrd@z Thu Jan  1 00:00:00 1970
From: Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [patch v11 05/23] ACPI: fix acpi_os_ioremap for arm64
Date: Wed, 25 Mar 2015 16:50:04 +0000
Message-ID: <20150325165004.GD14585@localhost>
References: <1427205776-5060-1-git-send-email-hanjun.guo@linaro.org>
 <1427205776-5060-6-git-send-email-hanjun.guo@linaro.org>
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To: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Robert Richter <rric@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Ashwin Chaugule <ashwinc@codeaurora.org>, linaro-acpi@lists.linaro.org, Marc Zyngier <marc.zyngier@arm.com>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Timur Tabi <timur@codeaurora.org>, Mark Salter <msalter@redhat.com>, Will Deacon <will.deacon@arm.com>, linux-kernel@vger.kernel.org, Sudeep Holla <Sudeep.Holla@arm.com>, Grant Likely <grant.likely@linaro.org>, Mark Brown <broonie@kernel.org>, Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>, Jon Masters <jcm@redhat.com>, Olof Johansson <olof@lixom.net>, Graeme Gregory <graeme.gregory@linaro.org>, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org
List-Id: linux-acpi@vger.kernel.org

On Tue, Mar 24, 2015 at 10:02:38PM +0800, Hanjun Guo wrote:
> From: Mark Salter <msalter@redhat.com>
> 
> The acpi_os_ioremap() function may be used to map normal RAM or IO
> regions. The current implementation simply uses ioremap_cache(). This
> will work for some architectures, but arm64 ioremap_cache() cannot be
> used to map IO regions which don't support caching. So for arm64, use
> ioremap() for non-RAM regions.
> 
> CC: Rafael J Wysocki <rjw@rjwysocki.net>
> CC: Catalin Marinas <catalin.marinas@arm.com>
> Tested-by: Robert Richter <rrichter@cavium.com>
> Tested-by: Timur Tabi <timur@codeaurora.org>
> Acked-by: Robert Richter <rrichter@cavium.com>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Reviewed-by: Grant Likely <grant.likely@linaro.org>
> Signed-off-by: Mark Salter <msalter@redhat.com>
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>