From f89920c3e4be1528ceb5b645d8aaf19968275609 Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@pollux.denx.de>
Date: Fri, 12 Aug 2005 23:15:53 +0200
Subject: Preserve PHY_BMCR during a soft reset. Patch by Carl Riechers, 24 Jun
 2005

---
 common/miiphyutil.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'common/miiphyutil.c')

diff --git a/common/miiphyutil.c b/common/miiphyutil.c
index 2b0dcf4f2c..13b9c65dc8 100644
--- a/common/miiphyutil.c
+++ b/common/miiphyutil.c
@@ -93,7 +93,13 @@ int miiphy_reset (unsigned char addr)
 	unsigned short reg;
 	int loop_cnt;
 
-	if (miiphy_write (addr, PHY_BMCR, 0x8000) != 0) {
+	if (miiphy_read (addr, PHY_BMCR, &reg) != 0) {
+#ifdef DEBUG
+		printf ("PHY status read failed\n");
+#endif
+		return (-1);
+	}
+	if (miiphy_write (addr, PHY_BMCR, reg | 0x8000) != 0) {
 #ifdef DEBUG
 		puts ("PHY reset failed\n");
 #endif
-- 
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