From: Thiemo Seufer <ths@networkno.de>
Date: Mon, 21 Feb 2005 11:44:31 +0000 (+0000)
Subject: Enable/disable irq's only if needed.
X-Git-Tag: v3.12-rc1~41253^2~1^2~280
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=049b13c358f0187cf3c5003d5fb9848dbcb28bc3;p=kernel%2Fkernel-generic.git

Enable/disable irq's only if needed.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h
index 039845f..1f2fe11 100644
--- a/include/asm-mips/io.h
+++ b/include/asm-mips/io.h
@@ -319,7 +319,8 @@ static inline type pfx##read##bwlq(volatile void __iomem *mem)		\
 	else if (cpu_has_64bits) {					\
 		unsigned long __flags;					\
 									\
-		local_irq_save(__flags);				\
+		if (irq)						\
+			local_irq_save(__flags);			\
 		__asm__ __volatile__(					\
 			".set	mips3"		"\t\t# __readq"	"\n\t"	\
 			"ld	%L0, %1"			"\n\t"	\
@@ -328,7 +329,8 @@ static inline type pfx##read##bwlq(volatile void __iomem *mem)		\
 			".set	mips0"				"\n"	\
 			: "=r" (__val)					\
 			: "m" (*__mem));				\
-		local_irq_restore(__flags);				\
+		if (irq)						\
+			local_irq_restore(__flags);			\
 	} else {							\
 		__val = 0;						\
 		BUG();							\