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

[David Miller]

From: Heiner Kallweit 
Date: Mon, 23 Jul 2018 21:40:07 +0200

> Add a helper for checking whether polling is used to detect PHY status
> changes.
> 
> Signed-off-by: Heiner Kallweit 

Applied.

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

[Andrew Lunn]

On Mon, Jul 23, 2018 at 09:40:07PM +0200, Heiner Kallweit wrote:
> Add a helper for checking whether polling is used to detect PHY status
> changes.
> 
> Signed-off-by: Heiner Kallweit 

Reviewed-by: Andrew Lunn 

Andrew

[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 
---
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, 
>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