diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index db7866b6f752..18e67eb6d8b4 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -124,10 +124,15 @@ EXPORT_SYMBOL(phy_print_status); */ static int phy_clear_interrupt(struct phy_device *phydev) { - if (phydev->drv->ack_interrupt) - return phydev->drv->ack_interrupt(phydev); + int ret = 0; - return 0; + if (phydev->drv->ack_interrupt) { + mutex_lock(&phydev->lock); + ret = phydev->drv->ack_interrupt(phydev); + mutex_unlock(&phydev->lock); + } + + return ret; } /** @@ -982,6 +987,36 @@ int phy_disable_interrupts(struct phy_device *phydev) } /** + * phy_did_interrupt - Checks if the PHY generated an interrupt + * @phydev: target phy_device struct + */ +static int phy_did_interrupt(struct phy_device *phydev) +{ + int ret; + + mutex_lock(&phydev->lock); + ret = phydev->drv->did_interrupt(phydev); + mutex_unlock(&phydev->lock); + + return ret; +} + +/** + * phy_handle_interrupt - Handle PHY interrupt + * @phydev: target phy_device struct + */ +static irqreturn_t phy_handle_interrupt(struct phy_device *phydev) +{ + irqreturn_t ret; + + mutex_lock(&phydev->lock); + ret = phydev->drv->handle_interrupt(phydev); + mutex_unlock(&phydev->lock); + + return ret; +} + +/** * phy_interrupt - PHY interrupt handler * @irq: interrupt line * @phy_dat: phy_device pointer @@ -994,9 +1029,9 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) struct phy_driver *drv = phydev->drv; if (drv->handle_interrupt) - return drv->handle_interrupt(phydev); + return phy_handle_interrupt(phydev); - if (drv->did_interrupt && !drv->did_interrupt(phydev)) + if (drv->did_interrupt && !phy_did_interrupt(phydev)) return IRQ_NONE; /* reschedule state queue work to run as soon as possible */ |