From 3c221af3c3bb4eadc0899f611c8b25bb95a1e09f Mon Sep 17 00:00:00 2001
From: Dan Murphy <dmurphy@ti.com>
Date: Mon, 2 May 2016 15:46:01 -0500
Subject: [PATCH] net: phy: Add phy_interface_is_sgmii to phy.h

Add a helper to phy.h to identify whether the
phy is configured for SGMII all variables.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---
 include/phy.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/phy.h b/include/phy.h
index 7346da7cb6..268d9a1823 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -289,6 +289,17 @@ static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
 		phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
 }
 
+/**
+ * phy_interface_is_sgmii - Convenience function for testing if a PHY interface
+ * is SGMII (all variants)
+ * @phydev: the phy_device struct
+ */
+static inline bool phy_interface_is_sgmii(struct phy_device *phydev)
+{
+	return phydev->interface >= PHY_INTERFACE_MODE_SGMII &&
+		phydev->interface <= PHY_INTERFACE_MODE_QSGMII;
+}
+
 /* PHY UIDs for various PHYs that are referenced in external code */
 #define PHY_UID_CS4340  0x13e51002
 #define PHY_UID_TN2020	0x00a19410
-- 
2.39.5