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[ar7] reinstate the fixed PHY fallback for devices with undetectable switches 

At least devices without a switch present on the MDIO bus still get a valid
link and work as expected (such as the Linksys WAG54Gv2).

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33751 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Florian Fainelli 2012-10-13 17:47:14 +00:00
parent 3c152a71e6
commit 10b7a94f54
1 changed files with 37 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
target/linux/ar7/patches-3.3/972-cpmac_fixup.patch
View File

@ -1,59 +1,38 @@
Index: linux-3.3.8/arch/mips/ar7/platform.c
===================================================================
--- linux-3.3.8.orig/arch/mips/ar7/platform.c 2012-10-06 21:15:51.930451885 -0700
+++ linux-3.3.8/arch/mips/ar7/platform.c 2012-10-06 21:15:51.962452050 -0700
@@ -33,7 +33,6 @@
#include <linux/string.h>
#include <linux/etherdevice.h>
#include <linux/phy.h>
-#include <linux/phy_fixed.h>
#include <linux/gpio.h>
#include <linux/clk.h>
@@ -248,12 +247,6 @@
},
};
-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,
@@ -709,26 +702,19 @@
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -709,26 +709,23 @@ static int __init ar7_register_devices(v
}
if (ar7_has_high_cpmac()) {
- res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
+ cpmac_get_mac(0, cpmac_high_data.dev_addr);
+
res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
- if (!res) {
- cpmac_get_mac(1, cpmac_high_data.dev_addr);
-
+ if (!res)
+ pr_warning("unable to register fixed phy for cpmac-high: %d\n", res);
- res = platform_device_register(&cpmac_high);
- if (res)
- pr_warning("unable to register cpmac-high: %d\n", res);
- } else
- pr_warning("unable to add cpmac-high phy: %d\n", res);
- } else
- cpmac_low_data.phy_mask = 0xffffffff;
+ cpmac_get_mac(0, cpmac_high_data.dev_addr);
- res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
- if (!res) {
- cpmac_get_mac(0, cpmac_low_data.dev_addr);
- res = platform_device_register(&cpmac_low);
+ res = platform_device_register(&cpmac_high);
if (res)
- pr_warning("unable to register cpmac-low: %d\n", res);
- } else
- pr_warning("unable to add cpmac-low phy: %d\n", res);
+ if (res)
+ pr_warning("unable to register cpmac-high: %d\n", res);
+ cpmac_get_mac(1, cpmac_low_data.dev_addr);
+ } else {
+ cpmac_low_data.phy_mask = 0xffffffff;
+ cpmac_get_mac(0, cpmac_low_data.dev_addr);
cpmac_low_data.phy_mask = 0xffffffff;
-
- res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
- if (!res) {
cpmac_get_mac(0, cpmac_low_data.dev_addr);
- res = platform_device_register(&cpmac_low);
- if (res)
- pr_warning("unable to register cpmac-low: %d\n", res);
- } else
- pr_warning("unable to add cpmac-low phy: %d\n", res);
+ }
+ res = platform_device_register(&cpmac_low);
+ if (res)
@ -61,7 +40,7 @@ Index: linux-3.3.8/arch/mips/ar7/platform.c
detect_leds();
res = platform_device_register(&ar7_gpio_leds);
@@ -741,8 +727,10 @@
@@ -741,8 +738,10 @@ static int __init ar7_register_devices(v
/* Register watchdog only if enabled in hardware */
bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
@ -74,10 +53,8 @@ Index: linux-3.3.8/arch/mips/ar7/platform.c
if (val & AR7_WDT_HW_ENA) {
if (ar7_has_high_vlynq())
ar7_wdt_res.start = UR8_REGS_WDT;
Index: linux-3.3.8/arch/mips/include/asm/mach-ar7/ar7.h
===================================================================
--- linux-3.3.8.orig/arch/mips/include/asm/mach-ar7/ar7.h 2012-06-01 00:16:13.000000000 -0700
+++ linux-3.3.8/arch/mips/include/asm/mach-ar7/ar7.h 2012-10-06 21:15:51.966452059 -0700
--- a/arch/mips/include/asm/mach-ar7/ar7.h
+++ b/arch/mips/include/asm/mach-ar7/ar7.h
@@ -42,6 +42,7 @@
#define AR7_REGS_PINSEL (AR7_REGS_BASE + 0x160C)
#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800)
@ -86,10 +63,8 @@ Index: linux-3.3.8/arch/mips/include/asm/mach-ar7/ar7.h
#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00)
#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00)
#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400)
Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
===================================================================
--- linux-3.3.8.orig/drivers/net/ethernet/ti/cpmac.c 2012-10-06 21:15:51.946451965 -0700
+++ linux-3.3.8/drivers/net/ethernet/ti/cpmac.c 2012-10-11 11:23:17.459719956 -0700
--- a/drivers/net/ethernet/ti/cpmac.c
+++ b/drivers/net/ethernet/ti/cpmac.c
@@ -35,7 +35,6 @@
#include <linux/skbuff.h>
#include <linux/mii.h>
@ -98,7 +73,7 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/clk.h>
@@ -48,14 +47,11 @@
@@ -48,14 +47,11 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:cpmac");
static int debug_level = 8;
@ -114,7 +89,7 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
#define CPMAC_VERSION "0.5.2"
/* frame size + 802.1q tag + FCS size */
@@ -674,9 +670,8 @@
@@ -674,9 +670,8 @@ static void cpmac_hw_start(struct net_de
for (i = 0; i < 8; i++)
cpmac_write(priv->regs, CPMAC_MAC_ADDR_LO(i), dev->dev_addr[5]);
cpmac_write(priv->regs, CPMAC_MAC_ADDR_MID, dev->dev_addr[4]);
@ -126,7 +101,7 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
cpmac_write(priv->regs, CPMAC_MAX_LENGTH, CPMAC_SKB_SIZE);
cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xff);
cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff);
@@ -1121,25 +1116,18 @@
@@ -1121,25 +1116,19 @@ static int __devinit cpmac_probe(struct
pdata = pdev->dev.platform_data;
@ -151,17 +126,18 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
+ break;
}
if (phy_id == PHY_MAX_ADDR) {
- if (phy_id == PHY_MAX_ADDR) {
- dev_err(&pdev->dev, "no PHY present, falling back "
- "to switch on MDIO bus 0\n");
- strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
- phy_id = pdev->id;
+ printk(KERN_ERR "cpmac: No PHY present\n");
+ return -ENXIO;
+ if (phy_id == PHY_MAX_ADDR && pdev->id == 1) {
+ printk(KERN_ERR "cpmac: No PHY present, using fixed PHY\n");
phy_id = pdev->id;
+ strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE);
}
dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
@@ -1178,6 +1166,13 @@
@@ -1178,6 +1167,13 @@ static int __devinit cpmac_probe(struct
snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT,
mdio_bus_id, phy_id);
@ -175,7 +151,7 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
priv->phy = phy_connect(dev, priv->phy_name, cpmac_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
@@ -1189,13 +1184,6 @@
@@ -1189,13 +1185,6 @@ static int __devinit cpmac_probe(struct
goto fail;
}
@ -189,7 +165,7 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
if (netif_msg_probe(priv)) {
printk(KERN_INFO
"cpmac: device %s (regs: %p, irq: %d, phy: %s, "
@@ -1228,6 +1216,7 @@
@@ -1228,6 +1217,7 @@ int __devinit cpmac_init(void)
{
u32 mask;
int i, res;
@ -197,7 +173,7 @@ Index: linux-3.3.8/drivers/net/ethernet/ti/cpmac.c
cpmac_mii = mdiobus_alloc();
if (cpmac_mii == NULL)
@@ -1251,31 +1240,51 @@
@@ -1251,31 +1241,51 @@ int __devinit cpmac_init(void)
ar7_gpio_disable(26);
ar7_gpio_disable(27);