From: Andrew Lunn Date: Sun, 16 Oct 2016 17:56:50 +0000 (+0200) Subject: net: phy: Use threaded IRQ, to allow IRQ from sleeping devices X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c974bdbc3e7734e72d6347afc49f806342578e75;p=linux-beck.git net: phy: Use threaded IRQ, to allow IRQ from sleeping devices The interrupt lines from PHYs maybe connected to I2C bus expanders, or from switches on MDIO busses. Such interrupts are sourced from devices which sleep, so use threaded interrupts. Threaded interrupts require that the interrupt requester also uses the threaded API. Change the phylib to use the threaded API, which is backwards compatible with none-threaded IRQs. Signed-off-by: Andrew Lunn Signed-off-by: David S. Miller --- diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index f424b867f73e..25f2b296aaba 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -739,10 +739,10 @@ phy_err: int phy_start_interrupts(struct phy_device *phydev) { atomic_set(&phydev->irq_disable, 0); - if (request_irq(phydev->irq, phy_interrupt, - IRQF_SHARED, - "phy_interrupt", - phydev) < 0) { + if (request_threaded_irq(phydev->irq, NULL, phy_interrupt, + IRQF_ONESHOT | IRQF_SHARED, + "phy_interrupt", + phydev) < 0) { pr_warn("%s: Can't get IRQ %d (PHY)\n", phydev->mdio.bus->name, phydev->irq); phydev->irq = PHY_POLL;