netdev - [PATCH] sh_eth: enable RX descriptor word 0 shift on SH7734

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Message-ID: <1893574.OD9Leu8Ck8@wasted.cogentembedded.com>
Date:   Wed, 04 Jan 2017 23:10:23 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: [PATCH] sh_eth: enable RX descriptor word 0 shift on SH7734

The RX descriptor word 0 on SH7734 has the RFS[9:0] field in bits 16-25
(bits  0-15 usually used for that are occupied by the packet checksum).
Thus  we need to set the 'shift_rd0'  field in the SH7734 SoC data...

Fixes: f0e81fecd4f8 ("net: sh_eth: Add support SH7734")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>

---
The patch is against DaveM's 'net.git' repo.

 drivers/net/ethernet/renesas/sh_eth.c |    1 +
 1 file changed, 1 insertion(+)

Index: net/drivers/net/ethernet/renesas/sh_eth.c
===================================================================
--- net.orig/drivers/net/ethernet/renesas/sh_eth.c
+++ net/drivers/net/ethernet/renesas/sh_eth.c
@@ -819,6 +819,7 @@ static struct sh_eth_cpu_data sh7734_dat
 	.tsu		= 1,
 	.hw_crc		= 1,
 	.select_mii	= 1,
+	.shift_rd0	= 1,
 };
 
 /* SH7763 */