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path: root/drivers/net/phy/amd.c
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Diffstat (limited to 'drivers/net/phy/amd.c')
-rw-r--r--drivers/net/phy/amd.c37
1 files changed, 34 insertions, 3 deletions
diff --git a/drivers/net/phy/amd.c b/drivers/net/phy/amd.c
index eef35f8c8d45..001bb6d8bfce 100644
--- a/drivers/net/phy/amd.c
+++ b/drivers/net/phy/amd.c
@@ -20,6 +20,10 @@
#define MII_AM79C_IR_EN_ANEG 0x0100 /* IR enable Aneg Complete */
#define MII_AM79C_IR_IMASK_INIT (MII_AM79C_IR_EN_LINK | MII_AM79C_IR_EN_ANEG)
+#define MII_AM79C_IR_LINK_DOWN BIT(2)
+#define MII_AM79C_IR_ANEG_DONE BIT(0)
+#define MII_AM79C_IR_IMASK_STAT (MII_AM79C_IR_LINK_DOWN | MII_AM79C_IR_ANEG_DONE)
+
MODULE_DESCRIPTION("AMD PHY driver");
MODULE_AUTHOR("Heiko Schocher <hs@denx.de>");
MODULE_LICENSE("GPL");
@@ -48,22 +52,49 @@ static int am79c_config_intr(struct phy_device *phydev)
{
int err;
- if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+ err = am79c_ack_interrupt(phydev);
+ if (err)
+ return err;
+
err = phy_write(phydev, MII_AM79C_IR, MII_AM79C_IR_IMASK_INIT);
- else
+ } else {
err = phy_write(phydev, MII_AM79C_IR, 0);
+ if (err)
+ return err;
+
+ err = am79c_ack_interrupt(phydev);
+ }
return err;
}
+static irqreturn_t am79c_handle_interrupt(struct phy_device *phydev)
+{
+ int irq_status;
+
+ irq_status = phy_read(phydev, MII_AM79C_IR);
+ if (irq_status < 0) {
+ phy_error(phydev);
+ return IRQ_NONE;
+ }
+
+ if (!(irq_status & MII_AM79C_IR_IMASK_STAT))
+ return IRQ_NONE;
+
+ phy_trigger_machine(phydev);
+
+ return IRQ_HANDLED;
+}
+
static struct phy_driver am79c_driver[] = { {
.phy_id = PHY_ID_AM79C874,
.name = "AM79C874",
.phy_id_mask = 0xfffffff0,
/* PHY_BASIC_FEATURES */
.config_init = am79c_config_init,
- .ack_interrupt = am79c_ack_interrupt,
.config_intr = am79c_config_intr,
+ .handle_interrupt = am79c_handle_interrupt,
} };
module_phy_driver(am79c_driver);