From: Michal Simek <monstr@monstr.eu>
Date: Tue, 25 Sep 2012 08:34:59 +0000 (+0200)
Subject: zynq: common: Optimize XIo_Out32 and XIo_In32 fuctions
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=eaf0d904957104da6afba4ad6abf3b77e1ad8e3b;p=thirdparty%2Fu-boot.git

zynq: common: Optimize XIo_Out32 and XIo_In32 fuctions

Signed-off-by: Michal Simek <monstr@monstr.eu>
---

diff --git a/board/xilinx/zynq_common/board.c b/board/xilinx/zynq_common/board.c
index 4f108abd0ae..90ce16b07f4 100644
--- a/board/xilinx/zynq_common/board.c
+++ b/board/xilinx/zynq_common/board.c
@@ -30,22 +30,19 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/* Common IO for xgmac and xnand */
-/* Data Memory Barrier */
-#define dmb() __asm__ __volatile__ ("dmb" : : : "memory")
-#define SYNCHRONIZE_IO dmb()
+#define dmbp() __asm__ __volatile__ ("dmb" : : : "memory")
 
-void XIo_Out32(u32 OutAddress, u32 Value)
+static void XIo_Out32(u32 OutAddress, u32 Value)
 {
-	*(volatile u32 *) OutAddress = Value;
-	SYNCHRONIZE_IO;
+    *(volatile u32 *) OutAddress = Value;
+    dmbp();
 }
 
-u32 XIo_In32(u32 InAddress)
+static u32 XIo_In32(u32 InAddress)
 {
-	volatile u32 temp = *(volatile u32 *)InAddress;
-	SYNCHRONIZE_IO;
-	return temp;
+    volatile u32 temp = *(volatile u32 *)InAddress;
+    dmbp();
+    return temp;
 }
 
 #ifdef CONFIG_FPGA