From 95a3741d17b4cd7b9441187c356d449d0aa9d75d Mon Sep 17 00:00:00 2001
From: Tony Ambardar <itugrok@yahoo.com>
Date: Sun, 7 Mar 2021 20:22:03 -0800
Subject: [PATCH] kernel: support new mdio_devres.ko module in 5.10

Add kmod-mdio-devres package and kernel config symbol, and update related
kmod-r8169 and kmod-ixgbe package dependencies.

Build tested module dependencies on x86/64 with CONFIG_ALL_KMODS=y.

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
---
 package/kernel/linux/modules/netdevices.mk | 24 +++++++++++++++++++---
 target/linux/generic/config-5.10           |  2 +-
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/package/kernel/linux/modules/netdevices.mk b/package/kernel/linux/modules/netdevices.mk
index 76675589fc..7d8bb34131 100644
--- a/package/kernel/linux/modules/netdevices.mk
+++ b/package/kernel/linux/modules/netdevices.mk
@@ -138,6 +138,23 @@ endef
 $(eval $(call KernelPackage,mii))
 
 
+define KernelPackage/mdio-devres
+  SUBMENU:=$(NETWORK_DEVICES_MENU)
+  TITLE:=Supports MDIO device registration
+  DEPENDS:=@LINUX_5_10 +kmod-libphy
+  KCONFIG:=CONFIG_MDIO_DEVRES
+  HIDDEN:=1
+  FILES:=$(LINUX_DIR)/drivers/net/phy/mdio_devres.ko
+  AUTOLOAD:=$(call AutoProbe,mdio-devres)
+endef
+
+define KernelPackage/mdio-devres/description
+ Supports MDIO device registration
+endef
+
+$(eval $(call KernelPackage,mdio-devres))
+
+
 define KernelPackage/mdio-gpio
   SUBMENU:=$(NETWORK_DEVICES_MENU)
   TITLE:= Supports GPIO lib-based MDIO busses
@@ -545,8 +562,9 @@ $(eval $(call KernelPackage,8139cp))
 define KernelPackage/r8169
   SUBMENU:=$(NETWORK_DEVICES_MENU)
   TITLE:=RealTek RTL-8169 PCI Gigabit Ethernet Adapter kernel support
-  DEPENDS:=@PCI_SUPPORT +kmod-mii +r8169-firmware +kmod-phy-realtek
-  KCONFIG:=CONFIG_R8169 \
+  DEPENDS:=@PCI_SUPPORT +kmod-mii +r8169-firmware +kmod-phy-realtek +LINUX_5_10:kmod-mdio-devres
+  KCONFIG:= \
+    CONFIG_R8169 \
     CONFIG_R8169_NAPI=y \
     CONFIG_R8169_VLAN=n
   FILES:=$(LINUX_DIR)/drivers/net/ethernet/realtek/r8169.ko
@@ -670,7 +688,7 @@ $(eval $(call KernelPackage,igbvf))
 define KernelPackage/ixgbe
   SUBMENU:=$(NETWORK_DEVICES_MENU)
   TITLE:=Intel(R) 82598/82599 PCI-Express 10 Gigabit Ethernet support
-  DEPENDS:=@PCI_SUPPORT +kmod-mdio +kmod-ptp +kmod-hwmon-core +kmod-libphy
+  DEPENDS:=@PCI_SUPPORT +kmod-mdio +kmod-ptp +kmod-hwmon-core +kmod-libphy +LINUX_5_10:kmod-mdio-devres
   KCONFIG:=CONFIG_IXGBE \
     CONFIG_IXGBE_VXLAN=n \
     CONFIG_IXGBE_HWMON=y \
diff --git a/target/linux/generic/config-5.10 b/target/linux/generic/config-5.10
index 05d17e2189..ec3e41c990 100644
--- a/target/linux/generic/config-5.10
+++ b/target/linux/generic/config-5.10
@@ -3098,7 +3098,7 @@ CONFIG_MAY_USE_DEVLINK=y
 # CONFIG_MDIO_BUS_MUX_MMIOREG is not set
 # CONFIG_MDIO_BUS_MUX_MULTIPLEXER is not set
 # CONFIG_MDIO_DEVICE is not set
-CONFIG_MDIO_DEVRES=y
+# CONFIG_MDIO_DEVRES is not set
 # CONFIG_MDIO_HISI_FEMAC is not set
 # CONFIG_MDIO_IPQ4019 is not set
 # CONFIG_MDIO_IPQ8064 is not set
-- 
2.30.2