@@ -28,6 +28,7 @@
#include <linux/micrel_phy.h>
#include <linux/of.h>
#include <linux/clk.h>
+#include <linux/delay.h>
/* Operation Mode Strap Override */
#define MII_KSZPHY_OMSO 0x16
@@ -728,6 +729,12 @@ static int kszphy_resume(struct phy_devi
{
genphy_resume(phydev);
+ /* After switching from power-down to normal mode, an internal global
+ * reset is automatically generated. Wait a minimum of 1 ms before
+ * read/write access to the PHY registers.
+ */
+ usleep_range(1000, 2000);
+
/* Enable PHY Interrupts */
if (phy_interrupt_is_valid(phydev)) {
phydev->interrupts = PHY_INTERRUPT_ENABLED;