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path: root/drivers/net/phy/bcm54140.c
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Diffstat (limited to 'drivers/net/phy/bcm54140.c')
-rw-r--r--drivers/net/phy/bcm54140.c46
1 files changed, 36 insertions, 10 deletions
diff --git a/drivers/net/phy/bcm54140.c b/drivers/net/phy/bcm54140.c
index 8998e68bb26b..d8f3024860dc 100644
--- a/drivers/net/phy/bcm54140.c
+++ b/drivers/net/phy/bcm54140.c
@@ -637,13 +637,29 @@ static int bcm54140_config_init(struct phy_device *phydev)
BCM54140_RDB_C_PWR_ISOLATE, 0);
}
-static int bcm54140_did_interrupt(struct phy_device *phydev)
+static irqreturn_t bcm54140_handle_interrupt(struct phy_device *phydev)
{
- int ret;
+ int irq_status, irq_mask;
+
+ irq_status = bcm_phy_read_rdb(phydev, BCM54140_RDB_ISR);
+ if (irq_status < 0) {
+ phy_error(phydev);
+ return IRQ_NONE;
+ }
+
+ irq_mask = bcm_phy_read_rdb(phydev, BCM54140_RDB_IMR);
+ if (irq_mask < 0) {
+ phy_error(phydev);
+ return IRQ_NONE;
+ }
+ irq_mask = ~irq_mask;
+
+ if (!(irq_status & irq_mask))
+ return IRQ_NONE;
- ret = bcm_phy_read_rdb(phydev, BCM54140_RDB_ISR);
+ phy_trigger_machine(phydev);
- return (ret < 0) ? 0 : ret;
+ return IRQ_HANDLED;
}
static int bcm54140_ack_intr(struct phy_device *phydev)
@@ -665,7 +681,7 @@ static int bcm54140_config_intr(struct phy_device *phydev)
BCM54140_RDB_TOP_IMR_PORT0, BCM54140_RDB_TOP_IMR_PORT1,
BCM54140_RDB_TOP_IMR_PORT2, BCM54140_RDB_TOP_IMR_PORT3,
};
- int reg;
+ int reg, err;
if (priv->port >= ARRAY_SIZE(port_to_imr_bit))
return -EINVAL;
@@ -674,12 +690,23 @@ static int bcm54140_config_intr(struct phy_device *phydev)
if (reg < 0)
return reg;
- if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+ err = bcm54140_ack_intr(phydev);
+ if (err)
+ return err;
+
reg &= ~port_to_imr_bit[priv->port];
- else
+ err = bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+ } else {
reg |= port_to_imr_bit[priv->port];
+ err = bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+ if (err)
+ return err;
+
+ err = bcm54140_ack_intr(phydev);
+ }
- return bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+ return err;
}
static int bcm54140_get_downshift(struct phy_device *phydev, u8 *data)
@@ -834,8 +861,7 @@ static struct phy_driver bcm54140_drivers[] = {
.flags = PHY_POLL_CABLE_TEST,
.features = PHY_GBIT_FEATURES,
.config_init = bcm54140_config_init,
- .did_interrupt = bcm54140_did_interrupt,
- .ack_interrupt = bcm54140_ack_intr,
+ .handle_interrupt = bcm54140_handle_interrupt,
.config_intr = bcm54140_config_intr,
.probe = bcm54140_probe,
.suspend = genphy_suspend,