Messages in this thread Patch in this message | | | From | Michael Walle <> | Subject | [PATCH RFC net-next v2 2/2] net: phy: mxl-gpy: disable interrupts on GPY215 by default | Date | Wed, 28 Dec 2022 17:40:08 +0100 |
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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> --- drivers/net/phy/mxl-gpy.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c index 147d7a5a9b35..e5972b4ef6e8 100644 --- 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; -- 2.30.2
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