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fallback to "dumb switch" mode if no PHY was detected

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This will enable the second Ethernet MAC in most cases, but will allow
previously non working devices to work.

SVN-Revision: 20022
This commit is contained in:
Florian Fainelli 2010-03-06 22:33:25 +00:00
parent ffd352b2ba
commit ac0b6ee559
1 changed files with 16 additions and 0 deletions
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16
target/linux/ar7/patches-2.6.32/950-cpmac_fallback_switch.patch Normal file
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@ -0,0 +1,16 @@
Index: linux-2.6.32.9/drivers/net/cpmac.c
===================================================================
--- linux-2.6.32.9.orig/drivers/net/cpmac.c 2010-03-06 23:12:46.000000000 +0100
+++ linux-2.6.32.9/drivers/net/cpmac.c 2010-03-06 23:13:14.000000000 +0100
@@ -1132,8 +1132,9 @@
}
if (phy_id == PHY_MAX_ADDR) {
- dev_err(&pdev->dev, "no PHY present\n");
- return -ENODEV;
+ dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
+ strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+ phy_id = pdev->id;
}
dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);