[PATCH v1 2/2] net: mdio: fixup ethernet phy module auto-load function
From: Yinbo Zhu <zhuyinbo@loongson.cn>
Date: 2021-11-22 12:15:28
Also in:
linux-kbuild, lkml
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
the phy_id is only phy identifier, that phy module auto-load function should according the phy_id event rather than other information, this patch is remove other unnecessary information and add phy_id event in mdio_uevent function and ethernet phy module auto-load function will work well. Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn> --- drivers/net/phy/mdio_bus.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 6865d93..999f0d4 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c@@ -962,12 +962,12 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) static int mdio_uevent(struct device *dev, struct kobj_uevent_env *env) { - int rc; + struct phy_device *pdev; - /* Some devices have extra OF data and an OF-style MODALIAS */ - rc = of_device_uevent_modalias(dev, env); - if (rc != -ENODEV) - return rc; + pdev = to_phy_device(dev); + + if (add_uevent_var(env, "MODALIAS=mdio:p%08X", pdev->phy_id)) + return -ENOMEM; return 0; }
@@ -991,7 +991,7 @@ static int mdio_uevent(struct device *dev, struct kobj_uevent_env *env) }; struct bus_type mdio_bus_type = { - .name = "mdio_bus", + .name = "mdio", .dev_groups = mdio_bus_dev_groups, .match = mdio_bus_match, .uevent = mdio_uevent,
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1.8.3.1