From 4798a714d6a78171d7df48c921dddd0dc004f0a0 Mon Sep 17 00:00:00 2001 From: Jon Mason Date: Tue, 13 Jun 2017 10:56:08 -0400 Subject: [PATCH] of_mdio: move of_mdio_parse_addr to header file The of_mdio_parse_addr() helper function is useful to other code, but the module dependency chain causes issues. To work around this, we can move of_mdio_parse_addr() to be an inline function in the header file. This gets rid of the dependencies and still allows for the reuse of code. Reported-by: Liviu Dudau Signed-off-by: Jon Mason Fixes: 342fa1964439 ("mdio: mux: make child bus walking more permissive and errors more verbose") Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- drivers/of/of_mdio.c | 22 ---------------------- include/linux/of_mdio.h | 24 +++++++++++++++++++++++- 2 files changed, 23 insertions(+), 23 deletions(-) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 9596be9a49d0..e0dbd6e48a98 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -119,28 +119,6 @@ static void of_mdiobus_register_device(struct mii_bus *mdio, child->name, addr); } -int of_mdio_parse_addr(struct device *dev, const struct device_node *np) -{ - u32 addr; - int ret; - - ret = of_property_read_u32(np, "reg", &addr); - if (ret < 0) { - dev_err(dev, "%s has invalid PHY address\n", np->full_name); - return ret; - } - - /* A PHY must have a reg property in the range [0-31] */ - if (addr >= PHY_MAX_ADDR) { - dev_err(dev, "%s PHY address %i is too large\n", - np->full_name, addr); - return -EINVAL; - } - - return addr; -} -EXPORT_SYMBOL(of_mdio_parse_addr); - /* The following is a list of PHY compatible strings which appear in * some DTBs. The compatible string is never matched against a PHY * driver, so is pointless. We only expect devices which are not PHYs diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index ba35ba520487..f5db93bcd069 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -27,11 +27,33 @@ struct phy_device *of_phy_attach(struct net_device *dev, phy_interface_t iface); extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); -extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np); extern int of_phy_register_fixed_link(struct device_node *np); extern void of_phy_deregister_fixed_link(struct device_node *np); extern bool of_phy_is_fixed_link(struct device_node *np); + +static inline int of_mdio_parse_addr(struct device *dev, + const struct device_node *np) +{ + u32 addr; + int ret; + + ret = of_property_read_u32(np, "reg", &addr); + if (ret < 0) { + dev_err(dev, "%s has invalid PHY address\n", np->full_name); + return ret; + } + + /* A PHY must have a reg property in the range [0-31] */ + if (addr >= PHY_MAX_ADDR) { + dev_err(dev, "%s PHY address %i is too large\n", + np->full_name, addr); + return -EINVAL; + } + + return addr; +} + #else /* CONFIG_OF_MDIO */ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) {