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net: phy: export phy_{read,write}_mmd_indirect

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Some PHY drivers might need to access Clause 45 registers in Clause 22
compatibility mode to e.g: properly advertise EEE support when disabled
by default.

Export these two helper functions: phy_read_mmd_indirect() and
phy_write_mmd_indirect() for drivers to use them.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2014-08-22 18:55:43 -07:00
committed by David S. Miller
parent a2dbba7674
commit 66ce7fb980
2 changed files with 31 additions and 2 deletions
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6
drivers/net/phy/phy.c
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@@ -955,7 +955,7 @@ static inline void mmd_phy_indirect(struct mii_bus *bus, int prtad, int devad,
* 3) Write reg 13 // MMD Data Command for MMD DEVAD
* 3) Read reg 14 // Read MMD data
*/
static int phy_read_mmd_indirect(struct phy_device *phydev, int prtad,
int phy_read_mmd_indirect(struct phy_device *phydev, int prtad,
int devad, int addr)
{
struct phy_driver *phydrv = phydev->drv;
@@ -971,6 +971,7 @@ static int phy_read_mmd_indirect(struct phy_device *phydev, int prtad,
}
return value;
}
EXPORT_SYMBOL(phy_read_mmd_indirect);
/**
* phy_write_mmd_indirect - writes data to the MMD registers
@@ -988,7 +989,7 @@ static int phy_read_mmd_indirect(struct phy_device *phydev, int prtad,
* 3) Write reg 13 // MMD Data Command for MMD DEVAD
* 3) Write reg 14 // Write MMD data
*/
static void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
int devad, int addr, u32 data)
{
struct phy_driver *phydrv = phydev->drv;
@@ -1002,6 +1003,7 @@ static void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
phydrv->write_mmd_indirect(phydev, prtad, devad, addr, data);
}
}
EXPORT_SYMBOL(phy_write_mmd_indirect);
/**
* phy_init_eee - init and check the EEE feature