diff options
Diffstat (limited to 'target/linux/ath79/patches-4.19/701-mdio-bus-dont-use-managed-reset-controller.patch')
-rw-r--r-- | target/linux/ath79/patches-4.19/701-mdio-bus-dont-use-managed-reset-controller.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/target/linux/ath79/patches-4.19/701-mdio-bus-dont-use-managed-reset-controller.patch b/target/linux/ath79/patches-4.19/701-mdio-bus-dont-use-managed-reset-controller.patch deleted file mode 100644 index 16e7f20370..0000000000 --- a/target/linux/ath79/patches-4.19/701-mdio-bus-dont-use-managed-reset-controller.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 32085f25d7b68404055f3525c780142fc72e543f Mon Sep 17 00:00:00 2001 -From: David Bauer <mail@david-bauer.net> -Date: Fri, 22 Nov 2019 22:44:51 +0100 -Subject: [PATCH] mdio_bus: don't use managed reset-controller - -Geert Uytterhoeven reported that using devm_reset_controller_get leads -to a WARNING when probing a reset-controlled PHY. This is because the -device devm_reset_controller_get gets supplied is not actually the -one being probed. - -Acquire an unmanaged reset-control as well as free the reset_control on -unregister to fix this. - -Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> -CC: Andrew Lunn <andrew@lunn.ch> -Signed-off-by: David Bauer <mail@david-bauer.net> -Reviewed-by: Andrew Lunn <andrew@lunn.ch> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/phy/mdio_bus.c | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - ---- a/drivers/net/phy/mdio_bus.c -+++ b/drivers/net/phy/mdio_bus.c -@@ -74,8 +74,8 @@ static int mdiobus_register_reset(struct - struct reset_control *reset = NULL; - - if (mdiodev->dev.of_node) -- reset = devm_reset_control_get_exclusive(&mdiodev->dev, -- "phy"); -+ reset = of_reset_control_get_exclusive(mdiodev->dev.of_node, -+ "phy"); - if (PTR_ERR(reset) == -ENOENT || - PTR_ERR(reset) == -ENOTSUPP) - reset = NULL; -@@ -118,6 +118,8 @@ int mdiobus_unregister_device(struct mdi - if (mdiodev->bus->mdio_map[mdiodev->addr] != mdiodev) - return -EINVAL; - -+ reset_control_put(mdiodev->reset_ctrl); -+ - mdiodev->bus->mdio_map[mdiodev->addr] = NULL; - - return 0; |