Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2022-09-08 (e1000e, igc)

This series contains updates to e1000e and igc drivers.

Li Zhong adds checking and handling for failed PHY register reads for
e1000e.

Sasha removes an unused define for igc.
====================

Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/intel/e1000e/phy.c

···
 void e1000_power_up_phy_copper(struct e1000_hw *hw)
 {
 	u16 mii_reg = 0;
+	int ret;
 
 	/* The PHY will retain its settings across a power down/up cycle */
-	e1e_rphy(hw, MII_BMCR, &mii_reg);
+	ret = e1e_rphy(hw, MII_BMCR, &mii_reg);
+	if (ret) {
+		e_dbg("Error reading PHY register\n");
+		return;
+	}
 	mii_reg &= ~BMCR_PDOWN;
 	e1e_wphy(hw, MII_BMCR, mii_reg);
 }
···
 void e1000_power_down_phy_copper(struct e1000_hw *hw)
 {
 	u16 mii_reg = 0;
+	int ret;
 
 	/* The PHY will retain its settings across a power down/up cycle */
-	e1e_rphy(hw, MII_BMCR, &mii_reg);
+	ret = e1e_rphy(hw, MII_BMCR, &mii_reg);
+	if (ret) {
+		e_dbg("Error reading PHY register\n");
+		return;
+	}
 	mii_reg |= BMCR_PDOWN;
 	e1e_wphy(hw, MII_BMCR, mii_reg);
 	usleep_range(1000, 2000);
···
 		return 0;
 
 	/* Do not apply workaround if in PHY loopback bit 14 set */
-	e1e_rphy(hw, MII_BMCR, &data);
+	ret_val = e1e_rphy(hw, MII_BMCR, &data);
+	if (ret_val) {
+		e_dbg("Error reading PHY register\n");
+		return ret_val;
+	}
 	if (data & BMCR_LOOPBACK)
 		return 0;
 

drivers/net/ethernet/intel/igc/igc_defines.h

···
 #define IGC_MDIC_OP_WRITE	0x04000000
 #define IGC_MDIC_OP_READ	0x08000000
 #define IGC_MDIC_READY		0x10000000
-#define IGC_MDIC_INT_EN		0x20000000
 #define IGC_MDIC_ERROR		0x40000000
 
 #define IGC_N0_QUEUE		-1