linux-kernel - [PATCH -mm 5/5] RapidIO: Use default route value for CPS switches

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Message-Id: <1272901558-9292-6-git-send-email-alexandre.bounine@idt.com>
Date:	Mon,  3 May 2010 11:45:58 -0400
From:	Alexandre Bounine <alexandre.bounine@....com>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org,
	Alexandre Bounine <alexandre.bounine@....com>,
	Matt Porter <mporter@...nel.crashing.org>,
	Li Yang <leoli@...escale.com>,
	Kumar Gala <galak@...nel.crashing.org>,
	Thomas Moll <thomas.moll@...go.com>
Subject: [PATCH -mm 5/5] RapidIO: Use default route value for CPS switches

Fixed to use correct default value for routing table entries. 

Signed-off-by: Alexandre Bounine <alexandre.bounine@....com>
Cc: Matt Porter <mporter@...nel.crashing.org>
Cc: Li Yang <leoli@...escale.com>
Cc: Kumar Gala <galak@...nel.crashing.org>
Cc: Thomas Moll <thomas.moll@...go.com>
---
 drivers/rapidio/switches/idtcps.c |   18 ++++++++++--------
 1 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c
index 73c3677..2c790c1 100644
--- a/drivers/rapidio/switches/idtcps.c
+++ b/drivers/rapidio/switches/idtcps.c
@@ -15,7 +15,8 @@
 #include <linux/rio_ids.h>
 #include "../rio.h"
 
-#define CPS_NO_ROUTE 0xdf
+#define CPS_DEFAULT_ROUTE	0xde
+#define CPS_NO_ROUTE		0xdf
 
 #define IDTCPS_RIO_DOMAIN 0xf20020
 
@@ -53,10 +54,11 @@ idtcps_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 		rio_mport_read_config_32(mport, destid, hopcount,
 				RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
 
-		if (CPS_NO_ROUTE == (u8)result)
-			result = RIO_INVALID_ROUTE;
-
-		*route_port = (u8)result;
+		if (CPS_DEFAULT_ROUTE == (u8)result ||
+		    CPS_NO_ROUTE == (u8)result)
+			*route_port = RIO_INVALID_ROUTE;
+		else
+			*route_port = (u8)result;
 	}
 
 	return 0;
@@ -74,9 +76,9 @@ idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 				RIO_STD_RTE_CONF_DESTID_SEL_CSR, i);
 			rio_mport_write_config_32(mport, destid, hopcount,
 				RIO_STD_RTE_CONF_PORT_SEL_CSR,
-				(RIO_INVALID_ROUTE << 24) |
-				(RIO_INVALID_ROUTE << 16) |
-				(RIO_INVALID_ROUTE << 8) | RIO_INVALID_ROUTE);
+				(CPS_DEFAULT_ROUTE << 24) |
+				(CPS_DEFAULT_ROUTE << 16) |
+				(CPS_DEFAULT_ROUTE << 8) | CPS_DEFAULT_ROUTE);
 			i += 4;
 		}
 	}
-- 
1.7.0.5

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