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-rw-r--r--Documentation/phy.txt16
1 files changed, 14 insertions, 2 deletions
diff --git a/Documentation/phy.txt b/Documentation/phy.txt
index b388c5af9e72..0aa994bd9a91 100644
--- a/Documentation/phy.txt
+++ b/Documentation/phy.txt
@@ -31,16 +31,28 @@ should provide its own implementation of of_xlate. of_xlate is used only for
dt boot case.
#define of_phy_provider_register(dev, xlate) \
- __of_phy_provider_register((dev), THIS_MODULE, (xlate))
+ __of_phy_provider_register((dev), NULL, THIS_MODULE, (xlate))
#define devm_of_phy_provider_register(dev, xlate) \
- __devm_of_phy_provider_register((dev), THIS_MODULE, (xlate))
+ __devm_of_phy_provider_register((dev), NULL, THIS_MODULE, (xlate))
of_phy_provider_register and devm_of_phy_provider_register macros can be used to
register the phy_provider and it takes device and of_xlate as
arguments. For the dt boot case, all PHY providers should use one of the above
2 macros to register the PHY provider.
+Often the device tree nodes associated with a PHY provider will contain a set
+of children that each represent a single PHY. Some bindings may nest the child
+nodes within extra levels for context and extensibility, in which case the low
+level of_phy_provider_register_full() and devm_of_phy_provider_register_full()
+macros can be used to override the node containing the children.
+
+#define of_phy_provider_register_full(dev, children, xlate) \
+ __of_phy_provider_register(dev, children, THIS_MODULE, xlate)
+
+#define devm_of_phy_provider_register_full(dev, children, xlate) \
+ __devm_of_phy_provider_register_full(dev, children, THIS_MODULE, xlate)
+
void devm_of_phy_provider_unregister(struct device *dev,
struct phy_provider *phy_provider);
void of_phy_provider_unregister(struct phy_provider *phy_provider);