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path: root/drivers/net/phy/nxp-tja11xx.c
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Diffstat (limited to 'drivers/net/phy/nxp-tja11xx.c')
-rw-r--r--drivers/net/phy/nxp-tja11xx.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c
index a72fa0d2e7c7..1c4c5c267fe6 100644
--- a/drivers/net/phy/nxp-tja11xx.c
+++ b/drivers/net/phy/nxp-tja11xx.c
@@ -44,6 +44,9 @@
#define MII_CFG2_SLEEP_REQUEST_TO_16MS 0x3
#define MII_INTSRC 21
+#define MII_INTSRC_LINK_FAIL BIT(10)
+#define MII_INTSRC_LINK_UP BIT(9)
+#define MII_INTSRC_MASK (MII_INTSRC_LINK_FAIL | MII_INTSRC_LINK_UP)
#define MII_INTSRC_TEMP_ERR BIT(1)
#define MII_INTSRC_UV_ERR BIT(3)
@@ -604,6 +607,24 @@ static int tja11xx_config_intr(struct phy_device *phydev)
return phy_write(phydev, MII_INTEN, value);
}
+static irqreturn_t tja11xx_handle_interrupt(struct phy_device *phydev)
+{
+ int irq_status;
+
+ irq_status = phy_read(phydev, MII_INTSRC);
+ if (irq_status < 0) {
+ phy_error(phydev);
+ return IRQ_NONE;
+ }
+
+ if (!(irq_status & MII_INTSRC_MASK))
+ return IRQ_NONE;
+
+ phy_trigger_machine(phydev);
+
+ return IRQ_HANDLED;
+}
+
static int tja11xx_cable_test_start(struct phy_device *phydev)
{
int ret;
@@ -749,6 +770,7 @@ static struct phy_driver tja11xx_driver[] = {
.get_stats = tja11xx_get_stats,
.ack_interrupt = tja11xx_ack_interrupt,
.config_intr = tja11xx_config_intr,
+ .handle_interrupt = tja11xx_handle_interrupt,
.cable_test_start = tja11xx_cable_test_start,
.cable_test_get_status = tja11xx_cable_test_get_status,
}, {
@@ -772,6 +794,7 @@ static struct phy_driver tja11xx_driver[] = {
.get_stats = tja11xx_get_stats,
.ack_interrupt = tja11xx_ack_interrupt,
.config_intr = tja11xx_config_intr,
+ .handle_interrupt = tja11xx_handle_interrupt,
.cable_test_start = tja11xx_cable_test_start,
.cable_test_get_status = tja11xx_cable_test_get_status,
}