openwrt-xburst/target/linux/ar7/patches-2.6.24/150-cpmac_up_and_running.diff

From 0daaa095cefd9d7091a7ccce2ff89f1ff4feae7a Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 5 Mar 2008 14:52:26 +0300
Subject: [PATCH] AR7/cpmac: convert to new fixed phy infrastructure, now for real

This patch converts platform code to register fixed phys early.
cpmac driver modified to blindly accept fixed phy id (that is equal
to platform device id).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
---
 arch/mips/ar7/platform.c |   17 +++++++++++++++++
 drivers/net/cpmac.c      |   19 +++----------------
 2 files changed, 20 insertions(+), 16 deletions(-)

Index: linux-2.6.24.7/arch/mips/ar7/platform.c
===================================================================
--- linux-2.6.24.7.orig/arch/mips/ar7/platform.c
+++ linux-2.6.24.7/arch/mips/ar7/platform.c
@@ -33,6 +33,8 @@
 #include <linux/vlynq.h>
 #include <linux/leds.h>
 #include <linux/string.h>
+#include <linux/phy.h>
+#include <linux/phy_fixed.h>
 
 #include <asm/addrspace.h>
 #include <asm/ar7/ar7.h>
@@ -205,6 +207,13 @@ static struct physmap_flash_data physmap
 	.width = 2,
 };
 
+/* lets assume this is suitable for both high and low cpmacs links */
+static struct fixed_phy_status fixed_phy_status __initdata = {
+	.link = 1,
+	.speed = 100,
+	.duplex = 1,
+};
+
 static struct plat_cpmac_data cpmac_low_data = {
 	.reset_bit = 17,
 	.power_bit = 20,
@@ -506,6 +515,10 @@ static int __init ar7_register_devices(v
 	}
 
 	if (ar7_has_high_cpmac()) {
+		res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
+		if (res && res != -ENODEV)
+			return res;
+
 		cpmac_get_mac(1, cpmac_high_data.dev_addr);
 		res = platform_device_register(&cpmac_high);
 		if (res)
@@ -514,6 +527,10 @@ static int __init ar7_register_devices(v
 		cpmac_low_data.phy_mask = 0xffffffff;
 	}
 
+	res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
+	if (res && res != -ENODEV)
+		return res;
+
 	cpmac_get_mac(0, cpmac_low_data.dev_addr);
 	res = platform_device_register(&cpmac_low);
 	if (res)
Index: linux-2.6.24.7/drivers/net/cpmac.c
===================================================================
--- linux-2.6.24.7.orig/drivers/net/cpmac.c
+++ linux-2.6.24.7/drivers/net/cpmac.c
@@ -1035,23 +1035,10 @@ static int __devinit cpmac_probe(struct 
 
 	if (phy_id == PHY_MAX_ADDR) {
 		if (external_switch || dumb_switch) {
-			struct fixed_phy_status status = {};
-
-			mdio_bus_id = 0;
-
-			/*
-			 * FIXME: this should be in the platform code!
-			 * Since there is not platform code at all (that is,
-			 * no mainline users of that driver), place it here
-			 * for now.
-			 */
-			phy_id = 0;
-			status.link = 1;
-			status.duplex = 1;
-			status.speed = 100;
-			fixed_phy_add(PHY_POLL, phy_id, &status);
+			mdio_bus_id = 0; /* fixed phys bus */
+			phy_id = pdev->id;
 		} else {
-			printk(KERN_ERR "cpmac: no PHY present\n");
+			dev_err(&pdev->dev, "no PHY present\n");
 			return -ENODEV;
 		}
 	}