netdev - [PATCH v2 3/3] drivers: net: xgene: fix new firmware backward compatibility with older driver

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Date:	Tue,  3 Mar 2015 11:39:41 -0800
From:	Iyappan Subramanian <isubramanian@....com>
To:	davem@...emloft.net, netdev@...r.kernel.org,
	devicetree@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org, mlangsdo@...hat.com,
	patches@....com, Iyappan Subramanian <isubramanian@....com>,
	Keyur Chudgar <kchudgar@....com>
Subject: [PATCH v2 3/3] drivers: net: xgene: fix new firmware backward compatibility with older driver

This patch fixes the backward compatibile of the older driver with the
newer firmware by making the binding unique so that the older driver won't
recognize the non-supported interfaces.

Signed-off-by: Iyappan Subramanian <isubramanian@....com>
Signed-off-by: Keyur Chudgar <kchudgar@....com>
Tested-by: Mark Langsdorf <mlangsdo@...hat.com>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 4de62b2..635a83b 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1025,6 +1025,8 @@ static int xgene_enet_remove(struct platform_device *pdev)
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id xgene_enet_acpi_match[] = {
 	{ "APMC0D05", },
+	{ "APMC0D30", },
+	{ "APMC0D31", },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match);
@@ -1033,6 +1035,8 @@ MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match);
 #ifdef CONFIG_OF
 static struct of_device_id xgene_enet_of_match[] = {
 	{.compatible = "apm,xgene-enet",},
+	{.compatible = "apm,xgene1-sgenet",},
+	{.compatible = "apm,xgene1-xgenet",},
 	{},
 };
 
-- 
1.9.1

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