linux-kernel - [PATCH] atbm8830: replace 64-bit division and floating point usage

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Date:	Thu, 03 Dec 2009 21:57:02 +0800
From:	"David T. L. Wong" <davidtlwong@...il.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	linux-next@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	LKML <linux-kernel@...r.kernel.org>, linux-media@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@...radead.org>
Subject: [PATCH] atbm8830: replace 64-bit division and floating point usage

Randy Dunlap wrote:
> On Mon, 30 Nov 2009 10:07:21 -0800 Randy Dunlap wrote:
> 
>> Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> Changes since 20091127:
>>>
>>> The v4l-dvb tree lost its conflict.
>>
>> on i386 (X86_32):
>>
>> a 'double' variable is used, causing:
>>
>> ERROR: "__floatunsidf" [drivers/media/common/tuners/max2165.ko] undefined!
>> ERROR: "__adddf3" [drivers/media/common/tuners/max2165.ko] undefined!
>> ERROR: "__fixunsdfsi" [drivers/media/common/tuners/max2165.ko] undefined!
> 
> 
> linux-next-20091202:
> 
> still have this one (above) and similar with
> drivers/media/dvb/frontends/atbm8830.c:
> 
> drivers/built-in.o: In function `atbm8830_init':
> atbm8830.c:(.text+0x9012f9): undefined reference to `__udivdi3'
> atbm8830.c:(.text+0x901384): undefined reference to `__floatunsidf'
> atbm8830.c:(.text+0x901395): undefined reference to `__muldf3'
> atbm8830.c:(.text+0x9013a5): undefined reference to `__floatunsidf'
> atbm8830.c:(.text+0x9013b2): undefined reference to `__divdf3'
> atbm8830.c:(.text+0x9013c3): undefined reference to `__muldf3'
> atbm8830.c:(.text+0x9013cd): undefined reference to `__fixunsdfsi'
> 
> ---
> ~Randy
> --
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This patch replace 64-bit division by do_div() macro and remove usage of 
floating point variable

Signed-off-by: David T. L. Wong <davidtlwong@...il.com>

View attachment "atbm8830_32bit.patch" of type "text/x-patch" (1238 bytes)