From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.15
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This includes following upstream commits:
2355a6546a05 net: phy: broadcom: support new device flag for setting master mode

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---

--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -43,6 +43,12 @@ static int bcm54210e_config_init(struct
 	val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
 	bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
 
+	if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
+		val = phy_read(phydev, MII_CTRL1000);
+		val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
+		phy_write(phydev, MII_CTRL1000, val);
+	}
+
 	return 0;
 }
 
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -59,6 +59,7 @@
 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
+#define PHY_BRCM_EN_MASTER_MODE		0x00010000
 
 /* Broadcom BCM7xxx specific workarounds */
 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)