From: Michal Simek <michal.simek@xilinx.com>
Date: Fri, 15 Feb 2019 10:18:53 +0000 (+0100)
Subject: phy: net: Check that input interface type is gmii
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e3a6f1b5f3b4284fbe2382a0dba97154cd4c380a;p=thirdparty%2Fu-boot.git

phy: net: Check that input interface type is gmii

There can't be any other interface as input. Only gmii is allowed.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 08f9412ccd9..dad2bf7d840 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -62,6 +62,11 @@ static int xilinxgmiitorgmii_probe(struct phy_device *phydev)
 
 	debug("%s\n", __func__);
 
+	if (phydev->interface != PHY_INTERFACE_MODE_GMII) {
+		printf("Incorrect interface type\n");
+		return -EINVAL;
+	}
+
 	/*
 	 * Read the phy address again as the one we read in ethernet driver
 	 * was overwritten for the purpose of storing the ofnode