diff options
Diffstat (limited to 'drivers/net/phy/qsemi.c')
| -rw-r--r-- | drivers/net/phy/qsemi.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/net/phy/qsemi.c b/drivers/net/phy/qsemi.c index 97f29ed2f0ca..d5c1aaa8236a 100644 --- a/drivers/net/phy/qsemi.c +++ b/drivers/net/phy/qsemi.c @@ -75,6 +75,10 @@ static int qs6612_ack_interrupt(struct phy_device *phydev) { int err; + /* The Interrupt Source register is not self-clearing, bits 4 and 5 are + * cleared when MII_BMSR is read and bits 1 and 3 are cleared when + * MII_EXPANSION is read + */ err = phy_read(phydev, MII_QS6612_ISR); if (err < 0) @@ -96,11 +100,22 @@ static int qs6612_ack_interrupt(struct phy_device *phydev) static int qs6612_config_intr(struct phy_device *phydev) { int err; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + /* clear any interrupts before enabling them */ + err = qs6612_ack_interrupt(phydev); + if (err) + return err; + err = phy_write(phydev, MII_QS6612_IMR, MII_QS6612_IMR_INIT); - else + } else { err = phy_write(phydev, MII_QS6612_IMR, 0); + if (err) + return err; + + /* clear any leftover interrupts */ + err = qs6612_ack_interrupt(phydev); + } return err; @@ -133,7 +148,6 @@ static struct phy_driver qs6612_driver[] = { { .phy_id_mask = 0xfffffff0, /* PHY_BASIC_FEATURES */ .config_init = qs6612_config_init, - .ack_interrupt = qs6612_ack_interrupt, .config_intr = qs6612_config_intr, .handle_interrupt = qs6612_handle_interrupt, } }; |