switch ar71xx to kernel 4.14

target/linux/ar71xx/Makefile

@@ -13,7 +13,7 @@ FEATURES:=usbgadget
 CPU_TYPE:=24kc
 SUBTARGETS:=generic tiny nand mikrotik
 
-KERNEL_PATCHVER:=4.9
+KERNEL_PATCHVER:=4.14
 
 include $(INCLUDE_DIR)/target.mk
 

target/linux/ar71xx/config-4.14

@@ -483,4 +483,3 @@ CONFIG_SYS_SUPPORTS_ZBOOT=y
 CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM=y
 CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_USB_SUPPORT=y
-CONFIG_MIPS_FPU_EMULATOR=y

target/linux/ar71xx/config-4.9

@@ -282,8 +282,6 @@ CONFIG_ATH79=y
 # CONFIG_ATH79_PCI_ATH9K_FIXUP is not set
 # CONFIG_ATH79_ROUTERBOOT is not set
 CONFIG_ATH79_WDT=y
-CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_CEVT_R4K=y
 CONFIG_CLKDEV_LOOKUP=y
 CONFIG_CLONE_BACKWARDS=y
@@ -399,7 +397,6 @@ CONFIG_MIPS_ASID_SHIFT=0
 CONFIG_MIPS_CLOCK_VSYSCALL=y
 # CONFIG_MIPS_CMDLINE_BUILTIN_EXTEND is not set
 CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
-CONFIG_MIPS_FPU_EMULATOR=y
 # CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
 CONFIG_MIPS_L1_CACHE_SHIFT=5
 CONFIG_MIPS_MACHINE=y
@@ -455,7 +452,6 @@ CONFIG_RTL8367_PHY=y
 # CONFIG_SERIAL_8250_FSL is not set
 CONFIG_SERIAL_8250_NR_UARTS=1
 CONFIG_SERIAL_8250_RUNTIME_UARTS=1
-# CONFIG_SHORTCUT_FE is not set
 # CONFIG_SOC_AR71XX is not set
 # CONFIG_SOC_AR724X is not set
 # CONFIG_SOC_AR913X is not set

target/linux/ar71xx/patches-4.14/500-MIPS-fw-myloader.patch

@@ -1,6 +1,6 @@
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
-@@ -227,6 +227,7 @@ cflags-$(toolchain-virt)		+= -DTOOLCHAIN
+@@ -223,6 +223,7 @@ cflags-$(toolchain-virt)		+= -DTOOLCHAIN
  #
  libs-$(CONFIG_FW_ARC)		+= arch/mips/fw/arc/
  libs-$(CONFIG_FW_CFE)		+= arch/mips/fw/cfe/

target/linux/ar71xx/patches-4.14/950-add-boardinfo-platform-data.patch

@@ -0,0 +1,67 @@
+--- a/drivers/net/phy/mdio-boardinfo.c
++++ b/drivers/net/phy/mdio-boardinfo.c
+@@ -15,8 +15,11 @@
+
+ #include "mdio-boardinfo.h"
+
+-static LIST_HEAD(mdio_board_list);
+-static DEFINE_MUTEX(mdio_board_lock);
++LIST_HEAD(mdio_board_list);
++EXPORT_SYMBOL_GPL(mdio_board_list);
++
++DEFINE_MUTEX(mdio_board_lock);
++EXPORT_SYMBOL_GPL(mdio_board_lock);
+
+ /**
+  * mdiobus_setup_mdiodev_from_board_info - create and setup MDIO devices
+--- a/drivers/net/phy/mdio-boardinfo.h
++++ b/drivers/net/phy/mdio-boardinfo.h
+@@ -20,4 +20,7 @@ void mdiobus_setup_mdiodev_from_board_in
+ 					   (struct mii_bus *bus,
+ 					    struct mdio_board_info *bi));
+
++extern struct mutex mdio_board_lock;
++extern struct list_head mdio_board_list;
++
+ #endif /* __MDIO_BOARD_INFO_H */
+--- a/drivers/net/phy/mdio_bus.c
++++ b/drivers/net/phy/mdio_bus.c
+@@ -455,6 +455,17 @@ void mdiobus_free(struct mii_bus *bus)
+ }
+ EXPORT_SYMBOL(mdiobus_free);
+
++static void mdiobus_setup_phydev_from_boardinfo(struct mii_bus *bus,
++                                                struct phy_device *phydev,
++                                                struct mdio_board_info *bi)
++{
++        if (strcmp(bus->id, bi->bus_id) ||
++            bi->mdio_addr != phydev->mdio.addr)
++            return;
++
++        phydev->mdio.dev.platform_data = (void *) bi->platform_data;
++}
++
+ /**
+  * mdiobus_scan - scan a bus for MDIO devices.
+  * @bus: mii_bus to scan
+@@ -470,6 +481,7 @@ EXPORT_SYMBOL(mdiobus_free);
+ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr)
+ {
+ 	struct phy_device *phydev;
++	struct mdio_board_entry *be;
+ 	int err;
+
+ 	phydev = get_phy_device(bus, addr, false);
+@@ -482,6 +494,12 @@ struct phy_device *mdiobus_scan(struct m
+ 	 */
+ 	of_mdiobus_link_mdiodev(bus, &phydev->mdio);
+
++	mutex_lock(&mdio_board_lock);
++        list_for_each_entry(be, &mdio_board_list, list)
++                mdiobus_setup_phydev_from_boardinfo(bus, phydev,
++                                                    &be->board_info);
++	mutex_unlock(&mdio_board_lock);
++
+ 	err = phy_device_register(phydev);
+ 	if (err) {
+ 		phy_device_free(phydev);