linux-kernel - RE: [PATCH] ACPICA: remove duplicate u8 typedef

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Message-ID: <1AE640813FDE7649BE1B193DEA596E880270FB03@SHSMSX101.ccr.corp.intel.com>
Date:	Wed, 29 Apr 2015 00:27:51 +0000
From:	"Zheng, Lv" <lv.zheng@...el.com>
To:	Olaf Hering <olaf@...fle.de>,
	"Moore, Robert" <robert.moore@...el.com>,
	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	Len Brown <lenb@...nel.org>
CC:	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"devel@...ica.org" <devel@...ica.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] ACPICA: remove duplicate u8 typedef

Hi,

> From: Olaf Hering [mailto:olaf@...fle.de]
> Sent: Tuesday, April 28, 2015 10:54 PM
> Subject: [PATCH] ACPICA: remove duplicate u8 typedef
> 
> During commit e252652fb2664d42de19f933aa3688bbc470de3f ("ACPICA:
> acpidump: Remove integer types translation protection.") two 'unsigned
> char' types got converted to 'u8'.
> 
> The result does not compile with gcc-4.5, it can not cope with duplicate
> typedefs.

The 2 u8 typedefs actually are different types in ACPICA.
If this really causes problem, I'm OK with deleting it from Linux side.
We'll take care of introducing a new type to eliminate such "divergence".

Thanks
-Lv

> 
> Signed-off-by: Olaf Hering <olaf@...fle.de>
> ---
>  include/acpi/actypes.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
> index f5ca0e9..1c3002e 100644
> --- a/include/acpi/actypes.h
> +++ b/include/acpi/actypes.h
> @@ -124,7 +124,6 @@
>  #ifndef ACPI_USE_SYSTEM_INTTYPES
> 
>  typedef unsigned char u8;
> -typedef unsigned char u8;
>  typedef unsigned short u16;
>  typedef short s16;
>  typedef COMPILER_DEPENDENT_UINT64 u64;
--
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