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path: root/drivers/net/phy/micrel.c
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Diffstat (limited to 'drivers/net/phy/micrel.c')
-rw-r--r--drivers/net/phy/micrel.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index bc7c7d2f75f2..fd0ea7c50ee6 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -420,6 +420,26 @@ static int ksz8873mll_config_aneg(struct phy_device *phydev)
return 0;
}
+/* This routine returns -1 as an indication to the caller that the
+ * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE
+ * MMD extended PHY registers.
+ */
+static int
+ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
+ int regnum)
+{
+ return -1;
+}
+
+/* This routine does nothing since the Micrel ksz9021 does not support
+ * standard IEEE MMD extended PHY registers.
+ */
+static void
+ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
+ int regnum, u32 val)
+{
+}
+
static struct phy_driver ksphy_driver[] = {
{
.phy_id = PHY_ID_KS8737,
@@ -565,6 +585,8 @@ static struct phy_driver ksphy_driver[] = {
.config_intr = ksz9021_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
+ .read_mmd_indirect = ksz9021_rd_mmd_phyreg,
+ .write_mmd_indirect = ksz9021_wr_mmd_phyreg,
.driver = { .owner = THIS_MODULE, },
}, {
.phy_id = PHY_ID_KSZ9031,