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path: root/drivers/net/phy
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-rw-r--r--drivers/net/phy/dp83822.c2
-rw-r--r--drivers/net/phy/microchip.c46
-rw-r--r--drivers/net/phy/phy_led_triggers.c23
-rw-r--r--drivers/net/phy/phylink.c38
4 files changed, 39 insertions, 70 deletions
diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index 14f361549638..e32013eb0186 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -730,7 +730,7 @@ static int dp83822_phy_reset(struct phy_device *phydev)
return phydev->drv->config_init(phydev);
}
-#ifdef CONFIG_OF_MDIO
+#if IS_ENABLED(CONFIG_OF_MDIO)
static const u32 tx_amplitude_100base_tx_gain[] = {
80, 82, 83, 85, 87, 88, 90, 92,
93, 95, 97, 98, 100, 102, 103, 105,
diff --git a/drivers/net/phy/microchip.c b/drivers/net/phy/microchip.c
index 0e17cc458efd..93de88c1c8fd 100644
--- a/drivers/net/phy/microchip.c
+++ b/drivers/net/phy/microchip.c
@@ -37,47 +37,6 @@ static int lan88xx_write_page(struct phy_device *phydev, int page)
return __phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, page);
}
-static int lan88xx_phy_config_intr(struct phy_device *phydev)
-{
- int rc;
-
- if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
- /* unmask all source and clear them before enable */
- rc = phy_write(phydev, LAN88XX_INT_MASK, 0x7FFF);
- rc = phy_read(phydev, LAN88XX_INT_STS);
- rc = phy_write(phydev, LAN88XX_INT_MASK,
- LAN88XX_INT_MASK_MDINTPIN_EN_ |
- LAN88XX_INT_MASK_LINK_CHANGE_);
- } else {
- rc = phy_write(phydev, LAN88XX_INT_MASK, 0);
- if (rc)
- return rc;
-
- /* Ack interrupts after they have been disabled */
- rc = phy_read(phydev, LAN88XX_INT_STS);
- }
-
- return rc < 0 ? rc : 0;
-}
-
-static irqreturn_t lan88xx_handle_interrupt(struct phy_device *phydev)
-{
- int irq_status;
-
- irq_status = phy_read(phydev, LAN88XX_INT_STS);
- if (irq_status < 0) {
- phy_error(phydev);
- return IRQ_NONE;
- }
-
- if (!(irq_status & LAN88XX_INT_STS_LINK_CHANGE_))
- return IRQ_NONE;
-
- phy_trigger_machine(phydev);
-
- return IRQ_HANDLED;
-}
-
static int lan88xx_suspend(struct phy_device *phydev)
{
struct lan88xx_priv *priv = phydev->priv;
@@ -528,8 +487,9 @@ static struct phy_driver microchip_phy_driver[] = {
.config_aneg = lan88xx_config_aneg,
.link_change_notify = lan88xx_link_change_notify,
- .config_intr = lan88xx_phy_config_intr,
- .handle_interrupt = lan88xx_handle_interrupt,
+ /* Interrupt handling is broken, do not define related
+ * functions to force polling.
+ */
.suspend = lan88xx_suspend,
.resume = genphy_resume,
diff --git a/drivers/net/phy/phy_led_triggers.c b/drivers/net/phy/phy_led_triggers.c
index bd3c9554f6ac..60893691d4c3 100644
--- a/drivers/net/phy/phy_led_triggers.c
+++ b/drivers/net/phy/phy_led_triggers.c
@@ -93,9 +93,8 @@ int phy_led_triggers_register(struct phy_device *phy)
if (!phy->phy_num_led_triggers)
return 0;
- phy->led_link_trigger = devm_kzalloc(&phy->mdio.dev,
- sizeof(*phy->led_link_trigger),
- GFP_KERNEL);
+ phy->led_link_trigger = kzalloc(sizeof(*phy->led_link_trigger),
+ GFP_KERNEL);
if (!phy->led_link_trigger) {
err = -ENOMEM;
goto out_clear;
@@ -105,10 +104,9 @@ int phy_led_triggers_register(struct phy_device *phy)
if (err)
goto out_free_link;
- phy->phy_led_triggers = devm_kcalloc(&phy->mdio.dev,
- phy->phy_num_led_triggers,
- sizeof(struct phy_led_trigger),
- GFP_KERNEL);
+ phy->phy_led_triggers = kcalloc(phy->phy_num_led_triggers,
+ sizeof(struct phy_led_trigger),
+ GFP_KERNEL);
if (!phy->phy_led_triggers) {
err = -ENOMEM;
goto out_unreg_link;
@@ -129,11 +127,11 @@ int phy_led_triggers_register(struct phy_device *phy)
out_unreg:
while (i--)
phy_led_trigger_unregister(&phy->phy_led_triggers[i]);
- devm_kfree(&phy->mdio.dev, phy->phy_led_triggers);
+ kfree(phy->phy_led_triggers);
out_unreg_link:
phy_led_trigger_unregister(phy->led_link_trigger);
out_free_link:
- devm_kfree(&phy->mdio.dev, phy->led_link_trigger);
+ kfree(phy->led_link_trigger);
phy->led_link_trigger = NULL;
out_clear:
phy->phy_num_led_triggers = 0;
@@ -147,8 +145,13 @@ void phy_led_triggers_unregister(struct phy_device *phy)
for (i = 0; i < phy->phy_num_led_triggers; i++)
phy_led_trigger_unregister(&phy->phy_led_triggers[i]);
+ kfree(phy->phy_led_triggers);
+ phy->phy_led_triggers = NULL;
- if (phy->led_link_trigger)
+ if (phy->led_link_trigger) {
phy_led_trigger_unregister(phy->led_link_trigger);
+ kfree(phy->led_link_trigger);
+ phy->led_link_trigger = NULL;
+ }
}
EXPORT_SYMBOL_GPL(phy_led_triggers_unregister);
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index b68369e2342b..1bdd5d8bb5b0 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -81,6 +81,7 @@ struct phylink {
unsigned int pcs_state;
bool link_failed;
+ bool suspend_link_up;
bool major_config_failed;
bool mac_supports_eee_ops;
bool mac_supports_eee;
@@ -2545,14 +2546,16 @@ void phylink_suspend(struct phylink *pl, bool mac_wol)
/* Stop the resolver bringing the link up */
__set_bit(PHYLINK_DISABLE_MAC_WOL, &pl->phylink_disable_state);
- /* Disable the carrier, to prevent transmit timeouts,
- * but one would hope all packets have been sent. This
- * also means phylink_resolve() will do nothing.
- */
- if (pl->netdev)
- netif_carrier_off(pl->netdev);
- else
+ pl->suspend_link_up = phylink_link_is_up(pl);
+ if (pl->suspend_link_up) {
+ /* Disable the carrier, to prevent transmit timeouts,
+ * but one would hope all packets have been sent. This
+ * also means phylink_resolve() will do nothing.
+ */
+ if (pl->netdev)
+ netif_carrier_off(pl->netdev);
pl->old_link_state = false;
+ }
/* We do not call mac_link_down() here as we want the
* link to remain up to receive the WoL packets.
@@ -2603,15 +2606,18 @@ void phylink_resume(struct phylink *pl)
if (test_bit(PHYLINK_DISABLE_MAC_WOL, &pl->phylink_disable_state)) {
/* Wake-on-Lan enabled, MAC handling */
- /* Call mac_link_down() so we keep the overall state balanced.
- * Do this under the state_mutex lock for consistency. This
- * will cause a "Link Down" message to be printed during
- * resume, which is harmless - the true link state will be
- * printed when we run a resolve.
- */
- mutex_lock(&pl->state_mutex);
- phylink_link_down(pl);
- mutex_unlock(&pl->state_mutex);
+ if (pl->suspend_link_up) {
+ /* Call mac_link_down() so we keep the overall state
+ * balanced. Do this under the state_mutex lock for
+ * consistency. This will cause a "Link Down" message
+ * to be printed during resume, which is harmless -
+ * the true link state will be printed when we run a
+ * resolve.
+ */
+ mutex_lock(&pl->state_mutex);
+ phylink_link_down(pl);
+ mutex_unlock(&pl->state_mutex);
+ }
/* Re-apply the link parameters so that all the settings get
* restored to the MAC.