path: root/target/linux/apm821xx/patches-4.14/030-0002-net-ibm-emac-replace-custom-PHY_MODE_-macros.patch

From 1477bea9e6931f6be96f45b9d277690a26d0cd97 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@gmail.com>
Date: Wed, 20 Dec 2017 22:19:24 +0100
Subject: [PATCH 2/3] net: ibm: emac: replace custom PHY_MODE_* macros

The ibm_emac driver predates the shared PHY_INTERFACE_MODE_
enums provided by include/linux/phy.h by a few years.

And while the driver has been retrofitted to use the PHYLIB,
the old definitions have stuck around to this day.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
 drivers/net/ethernet/ibm/emac/core.c  | 20 ++++++++++----------
 drivers/net/ethernet/ibm/emac/emac.h  | 13 -------------
 drivers/net/ethernet/ibm/emac/phy.c   | 10 +++++-----
 drivers/net/ethernet/ibm/emac/rgmii.c | 20 ++++++++++----------
 drivers/net/ethernet/ibm/emac/zmii.c  | 34 +++++++++++++++++-----------------
 5 files changed, 42 insertions(+), 55 deletions(-)

--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -199,18 +199,18 @@ static void __emac_set_multicast_list(st
 
 static inline int emac_phy_supports_gige(int phy_mode)
 {
-	return  phy_mode == PHY_MODE_GMII ||
-		phy_mode == PHY_MODE_RGMII ||
-		phy_mode == PHY_MODE_SGMII ||
-		phy_mode == PHY_MODE_TBI ||
-		phy_mode == PHY_MODE_RTBI;
+	return  phy_mode == PHY_INTERFACE_MODE_GMII ||
+		phy_mode == PHY_INTERFACE_MODE_RGMII ||
+		phy_mode == PHY_INTERFACE_MODE_SGMII ||
+		phy_mode == PHY_INTERFACE_MODE_TBI ||
+		phy_mode == PHY_INTERFACE_MODE_RTBI;
 }
 
 static inline int emac_phy_gpcs(int phy_mode)
 {
-	return  phy_mode == PHY_MODE_SGMII ||
-		phy_mode == PHY_MODE_TBI ||
-		phy_mode == PHY_MODE_RTBI;
+	return  phy_mode == PHY_INTERFACE_MODE_SGMII ||
+		phy_mode == PHY_INTERFACE_MODE_TBI ||
+		phy_mode == PHY_INTERFACE_MODE_RTBI;
 }
 
 static inline void emac_tx_enable(struct emac_instance *dev)
@@ -2865,7 +2865,7 @@ static int emac_init_config(struct emac_
 	/* PHY mode needs some decoding */
 	dev->phy_mode = of_get_phy_mode(np);
 	if (dev->phy_mode < 0)
-		dev->phy_mode = PHY_MODE_NA;
+		dev->phy_mode = PHY_INTERFACE_MODE_NA;
 
 	/* Check EMAC version */
 	if (of_device_is_compatible(np, "ibm,emac4sync")) {
@@ -3168,7 +3168,7 @@ static int emac_probe(struct platform_de
 	printk(KERN_INFO "%s: EMAC-%d %pOF, MAC %pM\n",
 	       ndev->name, dev->cell_index, np, ndev->dev_addr);
 
-	if (dev->phy_mode == PHY_MODE_SGMII)
+	if (dev->phy_mode == PHY_INTERFACE_MODE_SGMII)
 		printk(KERN_NOTICE "%s: in SGMII mode\n", ndev->name);
 
 	if (dev->phy.address >= 0)
--- a/drivers/net/ethernet/ibm/emac/emac.h
+++ b/drivers/net/ethernet/ibm/emac/emac.h
@@ -104,19 +104,6 @@ struct emac_regs {
 	} u1;
 };
 
-/*
- * PHY mode settings (EMAC <-> ZMII/RGMII bridge <-> PHY)
- */
-#define PHY_MODE_NA	PHY_INTERFACE_MODE_NA
-#define PHY_MODE_MII	PHY_INTERFACE_MODE_MII
-#define PHY_MODE_RMII	PHY_INTERFACE_MODE_RMII
-#define PHY_MODE_SMII	PHY_INTERFACE_MODE_SMII
-#define PHY_MODE_RGMII	PHY_INTERFACE_MODE_RGMII
-#define PHY_MODE_TBI	PHY_INTERFACE_MODE_TBI
-#define PHY_MODE_GMII	PHY_INTERFACE_MODE_GMII
-#define PHY_MODE_RTBI	PHY_INTERFACE_MODE_RTBI
-#define PHY_MODE_SGMII	PHY_INTERFACE_MODE_SGMII
-
 /* EMACx_MR0 */
 #define EMAC_MR0_RXI			0x80000000
 #define EMAC_MR0_TXI			0x40000000
--- a/drivers/net/ethernet/ibm/emac/phy.c
+++ b/drivers/net/ethernet/ibm/emac/phy.c
@@ -96,7 +96,7 @@ int emac_mii_reset_gpcs(struct mii_phy *
 	if ((val & BMCR_ISOLATE) && limit > 0)
 		gpcs_phy_write(phy, MII_BMCR, val & ~BMCR_ISOLATE);
 
-	if (limit > 0 && phy->mode == PHY_MODE_SGMII) {
+	if (limit > 0 && phy->mode == PHY_INTERFACE_MODE_SGMII) {
 		/* Configure GPCS interface to recommended setting for SGMII */
 		gpcs_phy_write(phy, 0x04, 0x8120); /* AsymPause, FDX */
 		gpcs_phy_write(phy, 0x07, 0x2801); /* msg_pg, toggle */
@@ -313,16 +313,16 @@ static int cis8201_init(struct mii_phy *
 	epcr &= ~EPCR_MODE_MASK;
 
 	switch (phy->mode) {
-	case PHY_MODE_TBI:
+	case PHY_INTERFACE_MODE_TBI:
 		epcr |= EPCR_TBI_MODE;
 		break;
-	case PHY_MODE_RTBI:
+	case PHY_INTERFACE_MODE_RTBI:
 		epcr |= EPCR_RTBI_MODE;
 		break;
-	case PHY_MODE_GMII:
+	case PHY_INTERFACE_MODE_GMII:
 		epcr |= EPCR_GMII_MODE;
 		break;
-	case PHY_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII:
 	default:
 		epcr |= EPCR_RGMII_MODE;
 	}
--- a/drivers/net/ethernet/ibm/emac/rgmii.c
+++ b/drivers/net/ethernet/ibm/emac/rgmii.c
@@ -52,25 +52,25 @@
 /* RGMII bridge supports only GMII/TBI and RGMII/RTBI PHYs */
 static inline int rgmii_valid_mode(int phy_mode)
 {
-	return  phy_mode == PHY_MODE_GMII ||
-		phy_mode == PHY_MODE_MII ||
-		phy_mode == PHY_MODE_RGMII ||
-		phy_mode == PHY_MODE_TBI ||
-		phy_mode == PHY_MODE_RTBI;
+	return  phy_mode == PHY_INTERFACE_MODE_GMII ||
+		phy_mode == PHY_INTERFACE_MODE_MII ||
+		phy_mode == PHY_INTERFACE_MODE_RGMII ||
+		phy_mode == PHY_INTERFACE_MODE_TBI ||
+		phy_mode == PHY_INTERFACE_MODE_RTBI;
 }
 
 static inline u32 rgmii_mode_mask(int mode, int input)
 {
 	switch (mode) {
-	case PHY_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII:
 		return RGMII_FER_RGMII(input);
-	case PHY_MODE_TBI:
+	case PHY_INTERFACE_MODE_TBI:
 		return RGMII_FER_TBI(input);
-	case PHY_MODE_GMII:
+	case PHY_INTERFACE_MODE_GMII:
 		return RGMII_FER_GMII(input);
-	case PHY_MODE_MII:
+	case PHY_INTERFACE_MODE_MII:
 		return RGMII_FER_MII(input);
-	case PHY_MODE_RTBI:
+	case PHY_INTERFACE_MODE_RTBI:
 		return RGMII_FER_RTBI(input);
 	default:
 		BUG();
--- a/drivers/net/ethernet/ibm/emac/zmii.c
+++ b/drivers/net/ethernet/ibm/emac/zmii.c
@@ -49,20 +49,20 @@
  */
 static inline int zmii_valid_mode(int mode)
 {
-	return  mode == PHY_MODE_MII ||
-		mode == PHY_MODE_RMII ||
-		mode == PHY_MODE_SMII ||
-		mode == PHY_MODE_NA;
+	return  mode == PHY_INTERFACE_MODE_MII ||
+		mode == PHY_INTERFACE_MODE_RMII ||
+		mode == PHY_INTERFACE_MODE_SMII ||
+		mode == PHY_INTERFACE_MODE_NA;
 }
 
 static inline const char *zmii_mode_name(int mode)
 {
 	switch (mode) {
-	case PHY_MODE_MII:
+	case PHY_INTERFACE_MODE_MII:
 		return "MII";
-	case PHY_MODE_RMII:
+	case PHY_INTERFACE_MODE_RMII:
 		return "RMII";
-	case PHY_MODE_SMII:
+	case PHY_INTERFACE_MODE_SMII:
 		return "SMII";
 	default:
 		BUG();
@@ -72,11 +72,11 @@ static inline const char *zmii_mode_name
 static inline u32 zmii_mode_mask(int mode, int input)
 {
 	switch (mode) {
-	case PHY_MODE_MII:
+	case PHY_INTERFACE_MODE_MII:
 		return ZMII_FER_MII(input);
-	case PHY_MODE_RMII:
+	case PHY_INTERFACE_MODE_RMII:
 		return ZMII_FER_RMII(input);
-	case PHY_MODE_SMII:
+	case PHY_INTERFACE_MODE_SMII:
 		return ZMII_FER_SMII(input);
 	default:
 		return 0;
@@ -106,18 +106,18 @@ int zmii_attach(struct platform_device *
 	 * Please, always specify PHY mode in your board port to avoid
 	 * any surprises.
 	 */
-	if (dev->mode == PHY_MODE_NA) {
-		if (*mode == PHY_MODE_NA) {
+	if (dev->mode == PHY_INTERFACE_MODE_NA) {
+		if (*mode == PHY_INTERFACE_MODE_NA) {
 			u32 r = dev->fer_save;
 
 			ZMII_DBG(dev, "autodetecting mode, FER = 0x%08x" NL, r);
 
 			if (r & (ZMII_FER_MII(0) | ZMII_FER_MII(1)))
-				dev->mode = PHY_MODE_MII;
+				dev->mode = PHY_INTERFACE_MODE_MII;
 			else if (r & (ZMII_FER_RMII(0) | ZMII_FER_RMII(1)))
-				dev->mode = PHY_MODE_RMII;
+				dev->mode = PHY_INTERFACE_MODE_RMII;
 			else
-				dev->mode = PHY_MODE_SMII;
+				dev->mode = PHY_INTERFACE_MODE_SMII;
 		} else
 			dev->mode = *mode;
 
@@ -126,7 +126,7 @@ int zmii_attach(struct platform_device *
 		       zmii_mode_name(dev->mode));
 	} else {
 		/* All inputs must use the same mode */
-		if (*mode != PHY_MODE_NA && *mode != dev->mode) {
+		if (*mode != PHY_INTERFACE_MODE_NA && *mode != dev->mode) {
 			printk(KERN_ERR
 			       "%pOF: invalid mode %d specified for input %d\n",
 			       ofdev->dev.of_node, *mode, input);
@@ -246,7 +246,7 @@ static int zmii_probe(struct platform_de
 
 	mutex_init(&dev->lock);
 	dev->ofdev = ofdev;
-	dev->mode = PHY_MODE_NA;
+	dev->mode = PHY_INTERFACE_MODE_NA;
 
 	rc = -ENXIO;
 	if (of_address_to_resource(np, 0, &regs)) {