linux-kernel - Re: [PATCH v2 13/25] acpi: switch from ioremap

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Date:	Sun, 26 Jul 2015 01:55:54 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	tglx@...utronix.de, mingo@...nel.org, hpa@...or.com,
	linux-arch@...r.kernel.org, toshi.kani@...com,
	linux-nvdimm@...ts.01.org,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Bob Moore <robert.moore@...el.com>,
	linux-kernel@...r.kernel.org, Lv Zheng <lv.zheng@...el.com>,
	rmk+kernel@....linux.org.uk, hch@....de,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 13/25] acpi: switch from ioremap_cache to memremap

On Friday, July 24, 2015 10:39:09 PM Dan Williams wrote:
> In preparation for deprecating ioremap_cache() convert its usage in
> drivers/acpi and include/acpi/ to memremap.  This includes dropping the
> __iomem annotation throughout ACPI since the memremap can be treated as
> a normal memory pointer.
> 
> Finally, memremap automatically handles requests to map normal memory
> pages, so this also drops the calls to "should_use_kmap()".
> 
> Cc: Bob Moore <robert.moore@...el.com>
> Cc: Lv Zheng <lv.zheng@...el.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> ---
>  arch/arm64/include/asm/acpi.h |    5 +--
>  drivers/acpi/apei/einj.c      |    9 +++--
>  drivers/acpi/apei/erst.c      |    6 ++--
>  drivers/acpi/nvs.c            |    6 ++--
>  drivers/acpi/osl.c            |   70 +++++++++++------------------------------
>  include/acpi/acpi_io.h        |    6 ++--
>  6 files changed, 35 insertions(+), 67 deletions(-)

Need to talk to Bob/Lv about the name change in acpi_io.h.

Apart from that I have no objections.

Thanks,
Rafael

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