State PHY_CHANGELINK isn't needed here, we can call the state machine
directly. We just have to remove the check for phy_polling_mode() to
make this work also in interrupt mode. Removing this check doesn't
cause any overhead because when not polling the state machine is
called only if required by some event.
Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
drivers/net/phy/phy.c | 8 --------
include/linux/phy.h | 7 ++-----
2 files changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 8dac890f3..da41420df 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -738,11 +738,6 @@ static irqreturn_t phy_change(struct phy_device *phydev)
goto phy_err;
}
- mutex_lock(&phydev->lock);
- if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state))
- phydev->state = PHY_CHANGELINK;
- mutex_unlock(&phydev->lock);
-
/* reschedule state queue work to run as soon as possible */
phy_trigger_machine(phydev);
@@ -946,9 +941,6 @@ void phy_state_machine(struct work_struct *work)
break;
case PHY_NOLINK:
case PHY_RUNNING:
- if (!phy_polling_mode(phydev))
- break;
- /* fall through */
case PHY_CHANGELINK:
case PHY_RESUMING:
err = phy_check_link_status(phydev);
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 59bb31ee1..7db07e69c 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -298,7 +298,7 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int
addr);
* - timer moves to NOLINK or RUNNING
*
* NOLINK: PHY is up, but not currently plugged in.
- * - If the timer notes that the link comes back, we move to RUNNING
+ * - irq or timer will set RUNNING if link comes back
* - phy_stop moves to HALTED
*
* FORCING: PHY is being configured with forced settings
@@ -309,10 +309,7 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int
addr);
*
* RUNNING: PHY is currently up, running, and possibly sending
* and/or receiving packets
- * - timer will set CHANGELINK if we're polling (this ensures the
- * link state is polled every other cycle of this state machine,
- * which makes it every other second)
- * - irq will set CHANGELINK
+ * - irq or timer will set NOLINK if link goes down
* - phy_stop moves to HALTED
*
* CHANGELINK: PHY experienced a change in link state
--
2.19.1
