openwrt/target/linux/generic/pending-5.4/703-phy-add-detach-callback-to-struct-phy_driver.patch
Damien Mascord 8e10b0181c kernel: backport mdio_find_bus from 5.10.x
mdio-tools (https://github.com/wkz/mdio-tools) requires the use of
mdio_find_bus, which is not present in 5.4.x.

This patch backports the required change from 5.10.x to 5.4.x

The original patch submission for this can be found at
https://patchwork.ozlabs.org/project/netdev/patch/20200201074625.8698-2-jeremy.linton@arm.com/

Signed-off-by: Damien Mascord <tusker@tusker.org>
[Add original patch description]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2021-08-08 19:49:29 +02:00

39 lines
1.1 KiB
Diff

From: Gabor Juhos <juhosg@openwrt.org>
Subject: generic: add detach callback to struct phy_driver
lede-commit: fe61fc2d7d0b3fb348b502f68f98243b3ddf5867
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/net/phy/phy_device.c | 3 +++
include/linux/phy.h | 6 ++++++
2 files changed, 9 insertions(+)
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1465,6 +1465,9 @@ void phy_detach(struct phy_device *phyde
struct module *ndev_owner = NULL;
struct mii_bus *bus;
+ if (phydev->drv && phydev->drv->detach)
+ phydev->drv->detach(phydev);
+
if (phydev->sysfs_links) {
if (dev)
sysfs_remove_link(&dev->dev.kobj, "phydev");
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -541,6 +541,12 @@ struct phy_driver {
/* Override default interrupt handling */
int (*handle_interrupt)(struct phy_device *phydev);
+ /*
+ * Called before an ethernet device is detached
+ * from the PHY.
+ */
+ void (*detach)(struct phy_device *phydev);
+
/* Clears up any memory if needed */
void (*remove)(struct phy_device *phydev);