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path: root/drivers/net/phy/phy.c
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Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 99a07eb54c44..0c0df38cd1ab 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1181,6 +1181,22 @@ void phy_stop_machine(struct phy_device *phydev)
mutex_unlock(&phydev->lock);
}
+static void phy_process_error(struct phy_device *phydev)
+{
+ mutex_lock(&phydev->lock);
+ phydev->state = PHY_HALTED;
+ mutex_unlock(&phydev->lock);
+
+ phy_trigger_machine(phydev);
+}
+
+static void phy_error_precise(struct phy_device *phydev,
+ const void *func, int err)
+{
+ WARN(1, "%pS: returned: %d\n", func, err);
+ phy_process_error(phydev);
+}
+
/**
* phy_error - enter HALTED state for this PHY device
* @phydev: target phy_device struct
@@ -1193,12 +1209,7 @@ void phy_stop_machine(struct phy_device *phydev)
void phy_error(struct phy_device *phydev)
{
WARN_ON(1);
-
- mutex_lock(&phydev->lock);
- phydev->state = PHY_HALTED;
- mutex_unlock(&phydev->lock);
-
- phy_trigger_machine(phydev);
+ phy_process_error(phydev);
}
EXPORT_SYMBOL(phy_error);
@@ -1393,6 +1404,7 @@ void phy_state_machine(struct work_struct *work)
struct net_device *dev = phydev->attached_dev;
bool needs_aneg = false, do_suspend = false;
enum phy_state old_state;
+ const void *func = NULL;
bool finished = false;
int err = 0;
@@ -1411,6 +1423,7 @@ void phy_state_machine(struct work_struct *work)
case PHY_NOLINK:
case PHY_RUNNING:
err = phy_check_link_status(phydev);
+ func = &phy_check_link_status;
break;
case PHY_CABLETEST:
err = phydev->drv->cable_test_get_status(phydev, &finished);
@@ -1440,16 +1453,18 @@ void phy_state_machine(struct work_struct *work)
mutex_unlock(&phydev->lock);
- if (needs_aneg)
+ if (needs_aneg) {
err = phy_start_aneg(phydev);
- else if (do_suspend)
+ func = &phy_start_aneg;
+ } else if (do_suspend) {
phy_suspend(phydev);
+ }
if (err == -ENODEV)
return;
if (err < 0)
- phy_error(phydev);
+ phy_error_precise(phydev, func, err);
phy_process_state_change(phydev, old_state);