net: phy: mxl-gpy: disable interrupts on GPY215 by default

The interrupts on the GPY215B and GPY215C are broken and the only viable
fix is to disable them altogether. There is still the possibilty to
opt-in via the device tree.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c
index 147d7a5a9b354c6d43f30a56adbbdd7aeb908c31..e5972b4ef6e8f8064021f55737f4748183eb1568 100644 (file)
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -12,6 +12,7 @@
 #include <linux/mutex.h>
 #include <linux/phy.h>
 #include <linux/polynomial.h>
+#include <linux/property.h>
 #include <linux/netdevice.h>
 
 /* PHY ID */
@@ -292,6 +293,10 @@ static int gpy_probe(struct phy_device *phydev)
        phydev->priv = priv;
        mutex_init(&priv->mbox_lock);
 
+       if (gpy_has_broken_mdint(phydev) &&
+           !device_property_present(dev, "maxlinear,use-broken-interrupts"))
+               phydev->dev_flags |= PHY_F_NO_IRQ;
+
        fw_version = phy_read(phydev, PHY_FWV);
        if (fw_version < 0)
                return fw_version;