linux-kernel - [PATCH 4.4 44/58] sh_eth: R8A7740 supports packet shecksumming

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Message-Id: <20170809194148.236810753@linuxfoundation.org>
Date:   Wed,  9 Aug 2017 12:41:56 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.4 44/58] sh_eth: R8A7740 supports packet shecksumming

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>


[ Upstream commit 0f1f9cbc04dbb3cc310f70a11cba0cf1f2109d9c ]

The R8A7740 GEther controller supports the packet checksum offloading
but the 'hw_crc' (bad name, I'll fix it) flag isn't set in the R8A7740
data,  thus CSMR isn't cleared...

Fixes: 73a0d907301e ("net: sh_eth: add support R8A7740")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/renesas/sh_eth.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -819,6 +819,7 @@ static struct sh_eth_cpu_data r8a7740_da
 	.rpadir_value   = 2 << 16,
 	.no_trimd	= 1,
 	.no_ade		= 1,
+	.hw_crc		= 1,
 	.tsu		= 1,
 	.select_mii	= 1,
 	.shift_rd0	= 1,