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net: phy: add helper phy_polling_mode 

Add a helper for checking whether polling is used to detect PHY status
changes.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Heiner Kallweit 2018-07-23 21:40:07 +02:00 committed by David S. Miller
parent d805f6a868
commit 3c507b8af6
2 changed files with 14 additions and 4 deletions
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8
drivers/net/phy/phy.c
View File

@ -525,7 +525,7 @@ static int phy_start_aneg_priv(struct phy_device *phydev, bool sync)
* negotiation may already be done and aneg interrupt may not be
* generated.
*/
if (phydev->irq != PHY_POLL && phydev->state == PHY_AN) {
if (!phy_polling_mode(phydev) && phydev->state == PHY_AN) {
err = phy_aneg_done(phydev);
if (err > 0) {
trigger = true;
@ -983,7 +983,7 @@ void phy_state_machine(struct work_struct *work)
needs_aneg = true;
break;
case PHY_NOLINK:
if (phydev->irq != PHY_POLL)
if (!phy_polling_mode(phydev))
break;
err = phy_read_status(phydev);
@ -1024,7 +1024,7 @@ void phy_state_machine(struct work_struct *work)
/* Only register a CHANGE if we are polling and link changed
* since latest checking.
*/
if (phydev->irq == PHY_POLL) {
if (phy_polling_mode(phydev)) {
old_link = phydev->link;
err = phy_read_status(phydev);
if (err)
@ -1123,7 +1123,7 @@ void phy_state_machine(struct work_struct *work)
* PHY, if PHY_IGNORE_INTERRUPT is set, then we will be moving
* between states from phy_mac_interrupt()
*/
if (phydev->irq == PHY_POLL)
if (phy_polling_mode(phydev))
queue_delayed_work(system_power_efficient_wq, &phydev->state_queue,
PHY_STATE_TIME * HZ);
}

10
include/linux/phy.h
View File

@ -824,6 +824,16 @@ static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
}
/**
* phy_polling_mode - Convenience function for testing whether polling is
* used to detect PHY status changes
* @phydev: the phy_device struct
*/
static inline bool phy_polling_mode(struct phy_device *phydev)
{
return phydev->irq == PHY_POLL;
}
/**
* phy_is_internal - Convenience function for testing if a PHY is internal
* @phydev: the phy_device struct