[PATCH 2/5] ARM: at91: Merge sama5_boot_xload() asm code

[Alexander Shiyan]

This merges the sama5_boot_xload() assembler code to prevent
the r4 register from being used in the second line of asm volatile().

Signed-off-by: Alexander Shiyan <eagle.alexander923 at gmail.com>
---
 include/mach/at91/sama5_bootsource.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/mach/at91/sama5_bootsource.h b/include/mach/at91/sama5_bootsource.h
index 2fb65ce10f..aeda1b4114 100644
--- a/include/mach/at91/sama5_bootsource.h
+++ b/include/mach/at91/sama5_bootsource.h
@@ -56,8 +56,13 @@ extern unsigned long at91_bootsource;
 
 static inline void __noreturn sama5_boot_xload(void __noreturn (*bb)(void), u32 r4)
 {
-	asm volatile("mov r4, %0" : : "r"(r4) : );
-	asm volatile("bx  %0"     : : "r"(bb) : );
+	asm volatile (
+		"mov r4, %0\n"
+		"bx  %1\n"
+		:
+		: "r"(r4), "r"(bb)
+		: "r4"
+	);
 	__builtin_unreachable();
 }
 
-- 
2.39.1