linux-kernel - [PATCH] of: make of_get_phy_mode parse 'phy-connection-type'

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Message-ID: <1384386147-13817-1-git-send-email-f.fainelli@gmail.com>
Date:	Wed, 13 Nov 2013 15:42:27 -0800
From:	"Florian Fainelli" <f.fainelli@...il.com>
To:	grant.likely@...aro.org
cc:	rob.herring@...xeda.com, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Florian Fainelli" <f.fainelli@...il.com>
Subject: [PATCH] of: make of_get_phy_mode parse 'phy-connection-type'

Per the ePAPR v1.1 specification, 'phy-connection-type' is the canonical
property name for describing an Ethernet to PHY connection type. Make
sure that of_get_phy_mode() also attempts to parse that property and
update the comments mentioninng 'phy-mode' to also include
'phy-connection-type'.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/of/of_net.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c
index 8f9be2e..101a34c 100644
--- a/drivers/of/of_net.c
+++ b/drivers/of/of_net.c
@@ -13,8 +13,8 @@
 
 /**
  * It maps 'enum phy_interface_t' found in include/linux/phy.h
- * into the device tree binding of 'phy-mode', so that Ethernet
- * device driver can get phy interface from device tree.
+ * into the device tree binding of 'phy-mode' or 'phy-connection-type',
+ * so that Ethernet device driver can get phy interface from device tree.
  */
 static const char *phy_modes[] = {
 	[PHY_INTERFACE_MODE_NA]		= "",
@@ -36,8 +36,9 @@ static const char *phy_modes[] = {
  * of_get_phy_mode - Get phy mode for given device_node
  * @np:	Pointer to the given device_node
  *
- * The function gets phy interface string from property 'phy-mode',
- * and return its index in phy_modes table, or errno in error case.
+ * The function gets phy interface string from property 'phy-mode' or
+ * 'phy-connection-type', and return its index in phy_modes table, or errno in
+ * error case.
  */
 int of_get_phy_mode(struct device_node *np)
 {
@@ -45,8 +46,11 @@ int of_get_phy_mode(struct device_node *np)
 	int err, i;
 
 	err = of_property_read_string(np, "phy-mode", &pm);
-	if (err < 0)
-		return err;
+	if (err < 0) {
+		err = of_property_read_string(np, "phy-connection-type", &pm);
+		if (err < 0)
+			return err;
+	}
 
 	for (i = 0; i < ARRAY_SIZE(phy_modes); i++)
 		if (!strcasecmp(pm, phy_modes[i]))
-- 
1.8.3.2


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