Openwrt/target/linux/generic/patches-3.14/702-phy_add_aneg_done_function.patch
Felix Fietkau 77e1a3675a kernel: backport patches for overriding PHY reset to 3.14
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43409
2014-11-27 18:26:00 +00:00

50 lines
1.3 KiB
Diff

--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -422,9 +422,18 @@ struct phy_driver {
*/
int (*config_aneg)(struct phy_device *phydev);
+ /* Determine if autonegotiation is done */
+ int (*aneg_done)(struct phy_device *phydev);
+
/* Determines the negotiated speed and duplex */
int (*read_status)(struct phy_device *phydev);
+ /*
+ * Update the value in phydev->link to reflect the
+ * current link value
+ */
+ int (*update_link)(struct phy_device *phydev);
+
/* Clears any pending interrupts */
int (*ack_interrupt)(struct phy_device *phydev);
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -881,6 +881,9 @@ int genphy_update_link(struct phy_device
{
int status;
+ if (phydev->drv->update_link)
+ return phydev->drv->update_link(phydev);
+
/* Do a fake read */
status = phy_read(phydev, MII_BMSR);
if (status < 0)
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -99,7 +99,12 @@ static int phy_config_interrupt(struct p
*/
static inline int phy_aneg_done(struct phy_device *phydev)
{
- int retval = phy_read(phydev, MII_BMSR);
+ int retval;
+
+ if (phydev->drv->aneg_done)
+ return phydev->drv->aneg_done(phydev);
+
+ retval = phy_read(phydev, MII_BMSR);
return (retval < 0) ? retval : (retval & BMSR_ANEGCOMPLETE);
}