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net: phy: broadcom: move shadow 0x1C register accessors to brcmphy.h 

The shadow register 0x1C is used both by the BCM54xxx PHYs and the
BCM7xxx internal PHYs, move the accessors to a common location so both
drivers can 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 18:55:40 -07:00 committed by David S. Miller
parent 3af20efc0f
commit 705314797b
2 changed files with 20 additions and 18 deletions
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18
drivers/net/phy/broadcom.c
View File

@ -29,24 +29,6 @@ MODULE_DESCRIPTION("Broadcom PHY driver");
MODULE_AUTHOR("Maciej W. Rozycki");
MODULE_LICENSE("GPL");
/*
* Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
* 0x1c shadow registers.
*/
static int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
{
phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
}
static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val)
{
return phy_write(phydev, MII_BCM54XX_SHD,
MII_BCM54XX_SHD_WRITE |
MII_BCM54XX_SHD_VAL(shadow) |
MII_BCM54XX_SHD_DATA(val));
}
/* Indirect register access functions for the Expansion Registers */
static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum)
{

20
include/linux/brcmphy.h
View File

@ -195,4 +195,24 @@
#define MII_BRCM_FET_SHDW_AUXSTAT2 0x1b /* Auxiliary status 2 */
#define MII_BRCM_FET_SHDW_AS2_APDE 0x0020 /* Auto power down enable */
/*
* Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
* 0x1c shadow registers.
*/
static inline int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
{
phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
}
static inline int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow,
u16 val)
{
return phy_write(phydev, MII_BCM54XX_SHD,
MII_BCM54XX_SHD_WRITE |
MII_BCM54XX_SHD_VAL(shadow) |
MII_BCM54XX_SHD_DATA(val));
}
#endif /* _LINUX_BRCMPHY_H */