From: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Date: Tue, 3 Jul 2012 22:25:21 +0000 (+0000)
Subject: net: nfs: make NFS_TIMEOUT configurable
X-Git-Tag: v2012.10-rc1~415^2~35^2~8
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=48a3e999c86e7e6033133152b07a308def559d46;p=u-boot

net: nfs: make NFS_TIMEOUT configurable

NFS_TIMEOUT is constant value defined in net/nfs.c. But sometimes it needs to adjust.
This patch enables to override NFS_TIMEOUT by defining CONFIG_NFS_TIMEOUT in a board specific config file.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
---

diff --git a/README b/README
index dac46f35b2..fb9d904a2e 100644
--- a/README
+++ b/README
@@ -2149,6 +2149,13 @@ The following options need to be configured:
 
 		Timeout waiting for an ARP reply in milliseconds.
 
+		CONFIG_NFS_TIMEOUT
+
+		Timeout in milliseconds used in NFS protocol.
+		If you encounter "ERROR: Cannot umount" in nfs command,
+		try longer timeout such as
+		#define CONFIG_NFS_TIMEOUT 10000UL
+
 - Command Interpreter:
 		CONFIG_AUTO_COMPLETE
 
diff --git a/net/nfs.c b/net/nfs.c
index 5b9976354c..7f2393f606 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -31,7 +31,11 @@
 
 #define HASHES_PER_LINE 65	/* Number of "loading" hashes per line	*/
 #define NFS_RETRY_COUNT 30
-#define NFS_TIMEOUT 2000UL
+#ifndef CONFIG_NFS_TIMEOUT
+# define NFS_TIMEOUT 2000UL
+#else
+# define NFS_TIMEOUT CONFIG_NFS_TIMEOUT
+#endif
 
 static int fs_mounted;
 static unsigned long rpc_id;