mirror of https://github.com/OpenIPC/firmware.git
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
diff --git a/home/goody/of_mdio.c b/output/build/linux-4.9.37/drivers/of/of_mdio.c
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index 262281bd..5f338cd6 100644
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--- a/drivers/of/of_mdio.c
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+++ b/drivers/of/of_mdio.c
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@@ -25,6 +25,11 @@
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MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
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MODULE_LICENSE("GPL");
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+int higmacphy = 0;
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+EXPORT_SYMBOL(higmacphy);
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+MODULE_PARM_DESC(higmacphy, "Select phyaddr for higmac driver.\n");
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+module_param_named(higmacphy, higmacphy, int, 0600);
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+
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/* Extract the clause 22 phy ID from the compatible string of the form
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* ethernet-phy-idAAAA.BBBB */
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static int of_get_phy_id(struct device_node *device, u32 *phy_id)
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@@ -248,7 +256,14 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
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if (of_find_property(child, "reg", NULL))
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continue;
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- for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
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+ if (higmacphy>0) {
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+ dev_info(&mdio->dev, "higmacphy addr is set in kernel arguments: phy %s at address %i\n",
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+ child->name, higmacphy);
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+
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+ if (of_mdiobus_child_is_phy(child))
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+ of_mdiobus_register_phy(mdio, child, higmacphy);
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+ }
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+ else for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
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/* skip already registered PHYs */
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if (mdiobus_is_registered_device(mdio, addr))
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continue;
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