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Date: Sun, 02 Jan 2005 01:07:31 +0100
From: Pierre Ossman <drzeus-list@drzeus.cx>
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To: LKML <linux-kernel@vger.kernel.org>,
       Russell King <rmk+lkml@arm.linux.org.uk>
Subject: [PATCH] Fix MMC warnings
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Here's a patch that fixes the compiler warnings in mmc.c.

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 filename="mmc-warning.patch"

Index: linux-wbsd/drivers/mmc/mmc.c
===================================================================
--- linux-wbsd/drivers/mmc/mmc.c	(revision 117)
+++ linux-wbsd/drivers/mmc/mmc.c	(working copy)
@@ -428,14 +428,14 @@
 
 #define UNSTUFF_BITS(resp,start,size)					\
 	({								\
-		const u32 __mask = (1 << (size)) - 1;			\
+		const u32 __mask = ((size >= 32)?0:(1 << (size))) - 1;	\
 		const int __off = 3 - ((start) / 32);			\
 		const int __shft = (start) & 31;			\
 		u32 __res;						\
 									\
 		__res = resp[__off] >> __shft;				\
 		if ((size) + __shft >= 32)				\
-			__res |= resp[__off-1] << (32 - __shft);	\
+			__res |= resp[__off-1] << ((32 - __shft) % 32);	\
 		__res & __mask;						\
 	})
 

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