[PATCH v2 net-next] net: phy: add helper phy_polling_mode

[Heiner Kallweit]

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

Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
v2:
- merge both patches
---
 drivers/net/phy/phy.c |  8 ++++----
 include/linux/phy.h   | 10 ++++++++++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 914fe8e6..7ade22a7 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -519,7 +519,7 @@ 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;
@@ -977,7 +977,7 @@ 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);
@@ -1018,7 +1018,7 @@ 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)
@@ -1117,7 +1117,7 @@ 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);
 }
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 075c2f77..cd6f637c 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -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
-- 
2.18.0