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net: phy: Add nested variants of mdiobus read/write

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Since nested variants of mdiobus_read/write are used in multiple
drivers, add nested variants in the mdiobus core.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Armstrong
2015-10-22 10:37:49 +02:00
committed by David S. Miller
parent 6fb3b6b57a
commit 21dd19fed3
2 changed files with 57 additions and 0 deletions
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include/linux/phy.h
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@@ -213,7 +213,9 @@ static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum);
int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum);
int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val);
int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val);
#define PHY_INTERRUPT_DISABLED 0x0