phy/at8031: enable at8031 to work on interrupt mode
The at8031 can work on polling mode and interrupt mode.
Add ack_interrupt and config intr funcs to enable
interrupt mode for it.
Signed-off-by: Zhao Qiang <B45475@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index bc71947..643464d 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -27,6 +27,9 @@
#define AT803X_MMD_ACCESS_CONTROL 0x0D
#define AT803X_MMD_ACCESS_CONTROL_DATA 0x0E
#define AT803X_FUNC_DATA 0x4003
+#define AT803X_INER 0x0012
+#define AT803X_INER_INIT 0xec00
+#define AT803X_INSR 0x0013
#define AT803X_DEBUG_ADDR 0x1D
#define AT803X_DEBUG_DATA 0x1E
#define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05
@@ -191,6 +194,31 @@
return 0;
}
+static int at803x_ack_interrupt(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_read(phydev, AT803X_INSR);
+
+ return (err < 0) ? err : 0;
+}
+
+static int at803x_config_intr(struct phy_device *phydev)
+{
+ int err;
+ int value;
+
+ value = phy_read(phydev, AT803X_INER);
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ err = phy_write(phydev, AT803X_INER,
+ value | AT803X_INER_INIT);
+ else
+ err = phy_write(phydev, AT803X_INER, 0);
+
+ return err;
+}
+
static struct phy_driver at803x_driver[] = {
{
/* ATHEROS 8035 */
@@ -240,6 +268,8 @@
.flags = PHY_HAS_INTERRUPT,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
+ .ack_interrupt = &at803x_ack_interrupt,
+ .config_intr = &at803x_config_intr,
.driver = {
.owner = THIS_MODULE,
},