netdev - [PATCH] net: xilinx_emaclite: Fix problem with first incoming packet

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Message-ID: <fac40d47-5b19-4225-9fee-f7a058851fc0@SG2EHSMHS017.ehs.local>
Date:	Tue, 22 Sep 2009 09:24:14 -0600
From:	John Linn <john.linn@...inx.com>
To:	netdev@...r.kernel.org, davem@...emloft.net,
	linuxppc-dev@...abs.org, grant.likely@...retlab.ca,
	jwboyer@...ux.vnet.ibm.com, sadanand.mutyala@...inx.com
CC:	Michal Simek <monstr@...str.eu>
Subject: [PATCH] net: xilinx_emaclite: Fix problem with first incoming packet

From: Michal Simek <monstr@...str.eu>

You can't ping the board or connect to it unless you send
any packet out from board.

Tested-by: John Williams <john.williams@...alogix.com>
Signed-off-by: Michal Simek <monstr@...str.eu>
Acked-by: John Linn <john.linn@...inx.com>
---
 drivers/net/xilinx_emaclite.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index dc22782..83a044d 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -134,18 +134,15 @@ static void xemaclite_enable_interrupts(struct net_local *drvdata)
 	}
 
 	/* Enable the Rx interrupts for the first buffer */
-	reg_data = in_be32(drvdata->base_addr + XEL_RSR_OFFSET);
 	out_be32(drvdata->base_addr + XEL_RSR_OFFSET,
-		 reg_data | XEL_RSR_RECV_IE_MASK);
+		 XEL_RSR_RECV_IE_MASK);
 
 	/* Enable the Rx interrupts for the second Buffer if
 	 * configured in HW */
 	if (drvdata->rx_ping_pong != 0) {
-		reg_data = in_be32(drvdata->base_addr + XEL_BUFFER_OFFSET +
-				   XEL_RSR_OFFSET);
 		out_be32(drvdata->base_addr + XEL_BUFFER_OFFSET +
 			 XEL_RSR_OFFSET,
-			 reg_data | XEL_RSR_RECV_IE_MASK);
+			 XEL_RSR_RECV_IE_MASK);
 	}
 
 	/* Enable the Global Interrupt Enable */
-- 
1.6.2.1



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