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authorFlorian Fainelli <f.fainelli@gmail.com>2015-03-10 16:57:11 -0700
committerDavid S. Miller <davem@davemloft.net>2015-03-11 17:56:28 -0400
commit33d6737761ea425d43f3b6e4561573a4020982f2 (patch)
treebe03975d5adacb5c523a1c428c806a7b91e1a0dd /drivers/of
parentd26ea6cc48da5a97d8188220c334cf3669fa8dc7 (diff)
downloadop-kernel-dev-33d6737761ea425d43f3b6e4561573a4020982f2.zip
op-kernel-dev-33d6737761ea425d43f3b6e4561573a4020982f2.tar.gz
of: mdio: export of_mdio_parse_addr
Export of_mdio_parse_addr() which allows parsing a given Ethernet PHY node MDIO address, verify it is within the allowed range, and return its value. This is going to be useful for the DSA code which needs to deal with multiple layers of MDIO buses. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/of_mdio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 1bd4305..0c06448 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -88,7 +88,7 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio, struct device_node *chi
return 0;
}
-static int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
+int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
{
u32 addr;
int ret;
@@ -108,6 +108,7 @@ static int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
return addr;
}
+EXPORT_SYMBOL(of_mdio_parse_addr);
/**
* of_mdiobus_register - Register mii_bus and create PHYs from the device tree
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