From: Vineet Gupta <vgupta@synopsys.com>
Date: Thu, 24 Nov 2016 01:43:17 +0000 (-0800)
Subject: ARC: Don't use "+l" inline asm constraint
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3c7c7a2fc8811bc;p=openwrt%2Fstaging%2Fblogic.git

ARC: Don't use "+l" inline asm constraint

Apparenty this is coming in the way of gcc fix which inhibits the usage
of LP_COUNT as a gpr.

Cc: stable@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---

diff --git a/arch/arc/include/asm/delay.h b/arch/arc/include/asm/delay.h
index 08e7e2a16ac1..a36e8601114d 100644
--- a/arch/arc/include/asm/delay.h
+++ b/arch/arc/include/asm/delay.h
@@ -22,10 +22,11 @@
 static inline void __delay(unsigned long loops)
 {
 	__asm__ __volatile__(
-	"	lp  1f	\n"
-	"	nop	\n"
-	"1:		\n"
-	: "+l"(loops));
+	"	mov lp_count, %0	\n"
+	"	lp  1f			\n"
+	"	nop			\n"
+	"1:				\n"
+	: : "r"(loops));
 }
 
 extern void __bad_udelay(void);