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authorXu Liang <lxu@maxlinear.com>2023-05-31 09:48:22 +0200
committerJakub Kicinski <kuba@kernel.org>2023-06-01 18:59:36 +0200
commit519d6487640835d19461817c75907e6308074a73 (patch)
treef0cd03c27f46f38a01722221a85c61a51dbc800c /drivers/net/phy
parentnet: renesas: rswitch: Fix return value in error path of xmit (diff)
downloadlinux-519d6487640835d19461817c75907e6308074a73.tar.xz
linux-519d6487640835d19461817c75907e6308074a73.zip
net: phy: mxl-gpy: extend interrupt fix to all impacted variants
The interrupt fix in commit 97a89ed101bb should be applied on all variants of GPY2xx PHY and GPY115C. Fixes: 97a89ed101bb ("net: phy: mxl-gpy: disable interrupts on GPY215 by default") Signed-off-by: Xu Liang <lxu@maxlinear.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230531074822.39136-1-lxu@maxlinear.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/phy')
-rw-r--r--drivers/net/phy/mxl-gpy.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c
index 6301a9abfb95..ea1073adc5a1 100644
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -274,13 +274,6 @@ static int gpy_config_init(struct phy_device *phydev)
return ret < 0 ? ret : 0;
}
-static bool gpy_has_broken_mdint(struct phy_device *phydev)
-{
- /* At least these PHYs are known to have broken interrupt handling */
- return phydev->drv->phy_id == PHY_ID_GPY215B ||
- phydev->drv->phy_id == PHY_ID_GPY215C;
-}
-
static int gpy_probe(struct phy_device *phydev)
{
struct device *dev = &phydev->mdio.dev;
@@ -300,8 +293,7 @@ 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"))
+ if (!device_property_present(dev, "maxlinear,use-broken-interrupts"))
phydev->dev_flags |= PHY_F_NO_IRQ;
fw_version = phy_read(phydev, PHY_FWV);
@@ -659,11 +651,9 @@ static irqreturn_t gpy_handle_interrupt(struct phy_device *phydev)
* frame. Therefore, polling is the best we can do and won't do any more
* harm.
* It was observed that this bug happens on link state and link speed
- * changes on a GPY215B and GYP215C independent of the firmware version
- * (which doesn't mean that this list is exhaustive).
+ * changes independent of the firmware version.
*/
- if (gpy_has_broken_mdint(phydev) &&
- (reg & (PHY_IMASK_LSTC | PHY_IMASK_LSPC))) {
+ if (reg & (PHY_IMASK_LSTC | PHY_IMASK_LSPC)) {
reg = gpy_mbox_read(phydev, REG_GPIO0_OUT);
if (reg < 0) {
phy_error(phydev);