patches.renesas/0509-sh_eth-define-use-EESR_RX_CHECK-macro.patch

From 3d2dbcaa3c5537719dee8411c7e6df892f1f7c97 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Wed, 19 Jun 2013 23:29:23 +0400
Subject: sh_eth: define/use EESR_RX_CHECK macro

sh_eth_interrupt() uses the same Rx interrupt mask twice to check the interrupt
status register -- #define EESR_RX_CHECK  and use it instead.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit ea7d69e75ac06daa7bc2fca2a8317197e5e3c81c)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/net/ethernet/renesas/sh_eth.c | 13 ++-----------
 drivers/net/ethernet/renesas/sh_eth.h |  8 ++++++++
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 56de4a6b..cc9886cb 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1508,23 +1508,14 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev)
 	 */
 	intr_status &= sh_eth_read(ndev, EESIPR) | DMAC_M_ECI;
 	/* Clear interrupt */
-	if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF |
-			EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF |
-			cd->tx_check | cd->eesr_err_check)) {
+	if (intr_status & (EESR_RX_CHECK | cd->tx_check | cd->eesr_err_check)) {
 		sh_eth_write(ndev, intr_status, EESR);
 		ret = IRQ_HANDLED;
 	} else
 		goto other_irq;
 
-	if (intr_status & (EESR_FRC | /* Frame recv*/
-			EESR_RMAF | /* Multi cast address recv*/
-			EESR_RRF  | /* Bit frame recv */
-			EESR_RTLF | /* Long frame recv*/
-			EESR_RTSF | /* short frame recv */
-			EESR_PRE  | /* PHY-LSI recv error */
-			EESR_CERF)){ /* recv frame CRC error */
+	if (intr_status & EESR_RX_CHECK)
 		sh_eth_rx(ndev, intr_status);
-	}
 
 	/* Tx Check */
 	if (intr_status & cd->tx_check) {
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 040d010b..117b3241 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -248,6 +248,14 @@ enum EESR_BIT {
 	EESR_CERF	= 0x00000001,
 };
 
+#define EESR_RX_CHECK		(EESR_FRC  | /* Frame recv */		\
+				 EESR_RMAF | /* Multicast address recv */ \
+				 EESR_RRF  | /* Bit frame recv */	\
+				 EESR_RTLF | /* Long frame recv */	\
+				 EESR_RTSF | /* Short frame recv */	\
+				 EESR_PRE  | /* PHY-LSI recv error */	\
+				 EESR_CERF)  /* Recv frame CRC error */
+
 #define DEFAULT_TX_CHECK	(EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \
 				 EESR_RTO)
 #define DEFAULT_EESR_ERR_CHECK	(EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE | \
-- 
1.8.4.3.gca3854a