diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 6c52ff8c0d2e..9e8cf64f0442 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -116,10 +116,15 @@ 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; } /** @@ -760,6 +765,36 @@ static int phy_disable_interrupts(struct phy_device *phydev) return phy_clear_interrupt(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 - PHY specific interrupt handler + * @phydev: target phy_device struct + */ +static int phy_handle_interrupt(struct phy_device *phydev) +{ + int 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 @@ -771,11 +806,11 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) { struct phy_device *phydev = phy_dat; - if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev)) + if (phydev->drv->did_interrupt && !phy_did_interrupt(phydev)) return IRQ_NONE; if (phydev->drv->handle_interrupt) { - if (phydev->drv->handle_interrupt(phydev)) + if (phy_handle_interrupt(phydev)) goto phy_err; } else { /* reschedule state queue work to run as soon as possible */