[alsa-devel] [PATCH v2 0/3] Switch to ioremap_wc in the SRAM allocator code

Catalin Marinas catalin.marinas at arm.com
Fri Feb 6 16:44:11 CET 2015


On Fri, Feb 06, 2015 at 01:45:25PM +0000, Abhilash Kesavan wrote:
> Fix alignment faults seen during play-back of files with specific
> sampling rates such as 44.1K. This is based on the discussion here:
> http://www.spinics.net/lists/arm-kernel/msg384647.html
> 
> Patch 1 is needed as m32r arch does not define ioremap_wc. Patch 2 adds a
> resource managed helper function for ioremap_wc which is used in patch 3.
> 
> Changes since v1:
> 	- Fix the compilation error with m32r due to missing ioremap_wc
> 	definition.
> 	- Fixed minor indentation issues.
> 
> Note: Other architectures either have ioremap_wc defined or are including
> generic "io.h"/"iomap.h". c6x arch is the only one I am not sure of.
> 
> Abhilash Kesavan (3):
>   m32r: add definition of ioremap_wc to io.h
>   lib: devres: add a helper function for ioremap_wc
>   misc: sram: switch to ioremap_wc from ioremap
> 
>  Documentation/driver-model/devres.txt |    1 +
>  arch/m32r/include/asm/io.h            |    1 +
>  drivers/misc/sram.c                   |   17 ++++++++++++++---
>  include/linux/io.h                    |    2 ++
>  lib/devres.c                          |   28 ++++++++++++++++++++++++++++
>  5 files changed, 46 insertions(+), 3 deletions(-)

For the series:

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

Thanks.

-- 
Catalin


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