@@ -687,15 +687,35 @@ int phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
}
EXPORT_SYMBOL_GPL(phy_modify_mmd);
-static int __phy_read_page(struct phy_device *phydev)
+/**
+ * __phy_read_page - get currently selected page
+ * @phydev: the phy_device struct
+ *
+ * Get the current PHY page. On error, returns a negative errno, otherwise
+ * returns the selected page number.
+ */
+int __phy_read_page(struct phy_device *phydev)
{
+ if (!phydev->drv->read_page)
+ return -ENOTSUPP;
return phydev->drv->read_page(phydev);
}
+EXPORT_SYMBOL_GPL(__phy_read_page);
-static int __phy_write_page(struct phy_device *phydev, int page)
+/**
+ * __phy_write_page - set the current page
+ * @phydev: the phy_device struct
+ * @page: desired page
+ *
+ * Set the current PHY page. On error, returns a negative errno.
+ */
+int __phy_write_page(struct phy_device *phydev, int page)
{
+ if (!phydev->drv->write_page)
+ return -ENOTSUPP;
return phydev->drv->write_page(phydev, page);
}
+EXPORT_SYMBOL_GPL(__phy_write_page);
/**
* phy_save_page() - take the bus lock and save the current page
@@ -797,6 +797,8 @@ int __phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
u16 mask, u16 set);
int phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
u16 mask, u16 set);
+int __phy_read_page(struct phy_device *phydev);
+int __phy_write_page(struct phy_device *phydev, int page);
/**
* __phy_set_bits - Convenience function for setting bits in a PHY register
Also check if the op is actually available. Otherwise return -ENOTSUPP. Signed-off-by: Michael Walle <michael@walle.cc> --- drivers/net/phy/phy-core.c | 24 ++++++++++++++++++++++-- include/linux/phy.h | 2 ++ 2 files changed, 24 insertions(+), 2 deletions(-)