Merge tag 'mips_6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Just cleanups and fixes"

* tag 'mips_6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (24 commits)
  MIPS: Take in account load hazards for HI/LO restoring
  MIPS: SGI-IP27: use WARN_ON() output
  MIPS: SGI-IP27: fix -Wunused-variable in arch_init_irq()
  MIPS: SGI-IP27: micro-optimize arch_init_irq()
  mips: dts: ralink: mt7621: reorder the attributes of the root node
  mips: dts: ralink: mt7621: reorder pci?_phy attributes
  mips: dts: ralink: mt7621: reorder pcie node attributes and children
  mips: dts: ralink: mt7621: reorder ethernet node attributes and kids
  mips: dts: ralink: mt7621: reorder gic node attributes
  mips: dts: ralink: mt7621: reorder mmc node attributes
  mips: dts: ralink: mt7621: move pinctrl and sort its children
  mips: dts: ralink: mt7621: reorder spi0 node attributes
  mips: dts: ralink: mt7621: reorder i2c node attributes
  mips: dts: ralink: mt7621: reorder gpio node attributes
  mips: dts: ralink: mt7621: reorder sysc node attributes
  mips: dts: ralink: mt7621: reorder mmc regulator attributes
  mips: dts: ralink: mt7621: reorder cpuintc node attributes
  mips: dts: ralink: mt7621: reorder cpu node attributes
  MIPS: Add prototypes for plat_post_relocation() and relocate_kernel()
  MIPS: Octeon: Add PCIe link status check
  ...

9 files changed, 274 insertions, 212 deletions

diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c
index 99a1ba5394e0..58fb7c2dc3b8 100644
--- a/arch/mips/bcm47xx/prom.c
+++ b/arch/mips/bcm47xx/prom.c
@@ -35,6 +35,7 @@
 #include <asm/bootinfo.h>
 #include <bcm47xx.h>
 #include <bcm47xx_board.h>
+#include "bcm47xx_private.h"
 
 static char bcm47xx_system_type[20] = "Broadcom BCM47XX";
 
@@ -123,7 +124,7 @@ void __init prom_init(void)
 /* Stripped version of tlb_init, with the call to build_tlb_refill_handler
  * dropped. Calling it at this stage causes a hang.
  */
-void early_tlb_init(void)
+static void early_tlb_init(void)
 {
 	write_c0_pagemask(PM_DEFAULT_MASK);
 	write_c0_wired(0);
diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index 6e95e6f19a6a..0704eab4a80b 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -5,50 +5,143 @@
 #include <dt-bindings/reset/mt7621-reset.h>
 
 / {
+	compatible = "mediatek,mt7621-soc";
+
 	#address-cells = <1>;
 	#size-cells = <1>;
-	compatible = "mediatek,mt7621-soc";
 
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
 		cpu@0 {
-			device_type = "cpu";
 			compatible = "mips,mips1004Kc";
 			reg = <0>;
+			device_type = "cpu";
 		};
 
 		cpu@1 {
-			device_type = "cpu";
 			compatible = "mips,mips1004Kc";
 			reg = <1>;
+			device_type = "cpu";
 		};
 	};
 
 	cpuintc: cpuintc {
+		compatible = "mti,cpu-interrupt-controller";
+
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
+
 		interrupt-controller;
-		compatible = "mti,cpu-interrupt-controller";
 	};
 
 	mmc_fixed_3v3: regulator-3v3 {
 		compatible = "regulator-fixed";
-		regulator-name = "mmc_power";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
+
 		enable-active-high;
+
 		regulator-always-on;
+		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-name = "mmc_power";
 	};
 
 	mmc_fixed_1v8_io: regulator-1v8 {
 		compatible = "regulator-fixed";
-		regulator-name = "mmc_io";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
+
 		enable-active-high;
+
 		regulator-always-on;
+		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <1800000>;
+		regulator-name = "mmc_io";
+	};
+
+	pinctrl: pinctrl {
+		compatible = "ralink,mt7621-pinctrl";
+
+		i2c_pins: i2c0-pins {
+			pinmux {
+				groups = "i2c";
+				function = "i2c";
+			};
+		};
+
+		mdio_pins: mdio0-pins {
+			pinmux {
+				groups = "mdio";
+				function = "mdio";
+			};
+		};
+
+		nand_pins: nand0-pins {
+			sdhci-pinmux {
+				groups = "sdhci";
+				function = "nand2";
+			};
+
+			spi-pinmux {
+				groups = "spi";
+				function = "nand1";
+			};
+		};
+
+		pcie_pins: pcie0-pins {
+			pinmux {
+				groups = "pcie";
+				function = "gpio";
+			};
+		};
+
+		rgmii1_pins: rgmii1-pins {
+			pinmux {
+				groups = "rgmii1";
+				function = "rgmii1";
+			};
+		};
+
+		rgmii2_pins: rgmii2-pins {
+			pinmux {
+				groups = "rgmii2";
+				function = "rgmii2";
+			};
+		};
+
+		sdhci_pins: sdhci0-pins {
+			pinmux {
+				groups = "sdhci";
+				function = "sdhci";
+			};
+		};
+
+		spi_pins: spi0-pins {
+			pinmux {
+				groups = "spi";
+				function = "spi";
+			};
+		};
+
+		uart1_pins: uart1-pins {
+			pinmux {
+				groups = "uart1";
+				function = "uart1";
+			};
+		};
+
+		uart2_pins: uart2-pins {
+			pinmux {
+				groups = "uart2";
+				function = "uart2";
+			};
+		};
+
+		uart3_pins: uart3-pins {
+			pinmux {
+				groups = "uart3";
+				function = "uart3";
+			};
+		};
 	};
 
 	palmbus: palmbus@1e000000 {
@@ -62,12 +155,15 @@
 		sysc: syscon@0 {
 			compatible = "mediatek,mt7621-sysc", "syscon";
 			reg = <0x0 0x100>;
+
 			#clock-cells = <1>;
 			#reset-cells = <1>;
-			ralink,memctl = <&memc>;
+
 			clock-output-names = "xtal", "cpu", "bus",
 					     "50m", "125m", "150m",
 					     "250m", "270m";
+
+			ralink,memctl = <&memc>;
 		};
 
 		wdt: watchdog@100 {
@@ -77,13 +173,16 @@
 		};
 
 		gpio: gpio@600 {
+			compatible = "mediatek,mt7621-gpio";
+			reg = <0x600 0x100>;
+
 			#gpio-cells = <2>;
 			#interrupt-cells = <2>;
-			compatible = "mediatek,mt7621-gpio";
+
 			gpio-controller;
 			gpio-ranges = <&pinctrl 0 0 95>;
+
 			interrupt-controller;
-			reg = <0x600 0x100>;
 			interrupt-parent = <&gic>;
 			interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
 		};
@@ -92,18 +191,19 @@
 			compatible = "mediatek,mt7621-i2c";
 			reg = <0x900 0x100>;
 
-			clocks = <&sysc MT7621_CLK_I2C>;
-			clock-names = "i2c";
-			resets = <&sysc MT7621_RST_I2C>;
-			reset-names = "i2c";
-
 			#address-cells = <1>;
 			#size-cells = <0>;
 
-			status = "disabled";
+			clocks = <&sysc MT7621_CLK_I2C>;
+			clock-names = "i2c";
 
 			pinctrl-names = "default";
 			pinctrl-0 = <&i2c_pins>;
+
+			resets = <&sysc MT7621_RST_I2C>;
+			reset-names = "i2c";
+
+			status = "disabled";
 		};
 
 		memc: memory-controller@5000 {
@@ -170,135 +270,53 @@
 		};
 
 		spi0: spi@b00 {
-			status = "disabled";
-
 			compatible = "ralink,mt7621-spi";
 			reg = <0xb00 0x100>;
 
-			clocks = <&sysc MT7621_CLK_SPI>;
-			clock-names = "spi";
-
-			resets = <&sysc MT7621_RST_SPI>;
-			reset-names = "spi";
-
 			#address-cells = <1>;
 			#size-cells = <0>;
 
+			clock-names = "spi";
+			clocks = <&sysc MT7621_CLK_SPI>;
+
 			pinctrl-names = "default";
 			pinctrl-0 = <&spi_pins>;
-		};
-	};
-
-	pinctrl: pinctrl {
-		compatible = "ralink,mt7621-pinctrl";
-
-		i2c_pins: i2c0-pins {
-			pinmux {
-				groups = "i2c";
-				function = "i2c";
-			};
-		};
-
-		spi_pins: spi0-pins {
-			pinmux {
-				groups = "spi";
-				function = "spi";
-			};
-		};
-
-		uart1_pins: uart1-pins {
-			pinmux {
-				groups = "uart1";
-				function = "uart1";
-			};
-		};
-
-		uart2_pins: uart2-pins {
-			pinmux {
-				groups = "uart2";
-				function = "uart2";
-			};
-		};
-
-		uart3_pins: uart3-pins {
-			pinmux {
-				groups = "uart3";
-				function = "uart3";
-			};
-		};
-
-		rgmii1_pins: rgmii1-pins {
-			pinmux {
-				groups = "rgmii1";
-				function = "rgmii1";
-			};
-		};
-
-		rgmii2_pins: rgmii2-pins {
-			pinmux {
-				groups = "rgmii2";
-				function = "rgmii2";
-			};
-		};
-
-		mdio_pins: mdio0-pins {
-			pinmux {
-				groups = "mdio";
-				function = "mdio";
-			};
-		};
-
-		pcie_pins: pcie0-pins {
-			pinmux {
-				groups = "pcie";
-				function = "gpio";
-			};
-		};
-
-		nand_pins: nand0-pins {
-			spi-pinmux {
-				groups = "spi";
-				function = "nand1";
-			};
 
-			sdhci-pinmux {
-				groups = "sdhci";
-				function = "nand2";
-			};
-		};
+			reset-names = "spi";
+			resets = <&sysc MT7621_RST_SPI>;
 
-		sdhci_pins: sdhci0-pins {
-			pinmux {
-				groups = "sdhci";
-				function = "sdhci";
-			};
+			status = "disabled";
 		};
 	};
 
 	mmc: mmc@1e130000 {
-		status = "disabled";
-
 		compatible = "mediatek,mt7620-mmc";
 		reg = <0x1e130000 0x4000>;
 
 		bus-width = <4>;
-		max-frequency = <48000000>;
-		cap-sd-highspeed;
-		cap-mmc-highspeed;
-		vmmc-supply = <&mmc_fixed_3v3>;
-		vqmmc-supply = <&mmc_fixed_1v8_io>;
-		disable-wp;
 
-		pinctrl-names = "default", "state_uhs";
-		pinctrl-0 = <&sdhci_pins>;
-		pinctrl-1 = <&sdhci_pins>;
+		cap-mmc-highspeed;
+		cap-sd-highspeed;
 
 		clocks = <&sysc MT7621_CLK_SHXC>,
 			 <&sysc MT7621_CLK_50M>;
 		clock-names = "source", "hclk";
 
+		disable-wp;
+
 		interrupt-parent = <&gic>;
 		interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
+
+		max-frequency = <48000000>;
+
+		pinctrl-names = "default", "state_uhs";
+		pinctrl-0 = <&sdhci_pins>;
+		pinctrl-1 = <&sdhci_pins>;
+
+		vmmc-supply = <&mmc_fixed_3v3>;
+		vqmmc-supply = <&mmc_fixed_1v8_io>;
+
+		status = "disabled";
 	};
 
 	usb: usb@1e1c0000 {
@@ -321,15 +339,15 @@
 		compatible = "mti,gic";
 		reg = <0x1fbc0000 0x2000>;
 
-		interrupt-controller;
 		#interrupt-cells = <3>;
+		interrupt-controller;
 
 		mti,reserved-cpu-vectors = <7>;
 
 		timer {
 			compatible = "mti,gic-timer";
-			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
 			clocks = <&sysc MT7621_CLK_CPU>;
+			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
 		};
 	};
 
@@ -347,46 +365,22 @@
 		compatible = "mediatek,mt7621-eth";
 		reg = <0x1e100000 0x10000>;
 
-		clocks = <&sysc MT7621_CLK_FE>, <&sysc MT7621_CLK_ETH>;
-		clock-names = "fe", "ethif";
-
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		resets = <&sysc MT7621_RST_FE>, <&sysc MT7621_RST_ETH>;
-		reset-names = "fe", "eth";
+		clock-names = "fe", "ethif";
+		clocks = <&sysc MT7621_CLK_FE>, <&sysc MT7621_CLK_ETH>;
 
 		interrupt-parent = <&gic>;
 		interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
 
-		mediatek,ethsys = <&sysc>;
-
 		pinctrl-names = "default";
 		pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>, <&rgmii2_pins>;
 
-		gmac0: mac@0 {
-			compatible = "mediatek,eth-mac";
-			reg = <0>;
-			phy-mode = "trgmii";
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-				pause;
-			};
-		};
-
-		gmac1: mac@1 {
-			compatible = "mediatek,eth-mac";
-			reg = <1>;
-			phy-mode = "rgmii";
+		reset-names = "fe", "eth";
+		resets = <&sysc MT7621_RST_FE>, <&sysc MT7621_RST_ETH>;
 
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-				pause;
-			};
-		};
+		mediatek,ethsys = <&sysc>;
 
 		mdio: mdio-bus {
 			#address-cells = <1>;
@@ -395,73 +389,105 @@
 			switch0: switch@1f {
 				compatible = "mediatek,mt7621";
 				reg = <0x1f>;
-				mediatek,mcm;
-				resets = <&sysc MT7621_RST_MCM>;
-				reset-names = "mcm";
-				interrupt-controller;
+
 				#interrupt-cells = <1>;
+				interrupt-controller;
 				interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>;
 
+				reset-names = "mcm";
+				resets = <&sysc MT7621_RST_MCM>;
+
+				mediatek,mcm;
+
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
 
 					port@0 {
-						status = "disabled";
 						reg = <0>;
 						label = "swp0";
+						status = "disabled";
 					};
 
 					port@1 {
-						status = "disabled";
 						reg = <1>;
 						label = "swp1";
+						status = "disabled";
 					};
 
 					port@2 {
-						status = "disabled";
 						reg = <2>;
 						label = "swp2";
+						status = "disabled";
 					};
 
 					port@3 {
-						status = "disabled";
 						reg = <3>;
 						label = "swp3";
+						status = "disabled";
 					};
 
 					port@4 {
-						status = "disabled";
 						reg = <4>;
 						label = "swp4";
+						status = "disabled";
 					};
 
 					port@5 {
 						reg = <5>;
+
 						ethernet = <&gmac1>;
 						phy-mode = "rgmii";
 
 						fixed-link {
-							speed = <1000>;
 							full-duplex;
 							pause;
+							speed = <1000>;
 						};
 					};
 
 					port@6 {
 						reg = <6>;
+
 						ethernet = <&gmac0>;
 						phy-mode = "trgmii";
 
 						fixed-link {
-							speed = <1000>;
 							full-duplex;
 							pause;
+							speed = <1000>;
 						};
 					};
 				};
 			};
 		};
+
+		gmac0: mac@0 {
+			compatible = "mediatek,eth-mac";
+			reg = <0>;
+
+			phy-mode = "trgmii";
+
+			fixed-link {
+				full-duplex;
+				pause;
+				speed = <1000>;
+			};
+		};
+
+		gmac1: mac@1 {
+			compatible = "mediatek,eth-mac";
+			reg = <1>;
+
+			phy-mode = "rgmii";
+
+			fixed-link {
+				full-duplex;
+				pause;
+				speed = <1000>;
+			};
+		};
+
 	};
 
 	pcie: pcie@1e140000 {
@@ -470,84 +496,106 @@
 		      <0x1e142000 0x100>, /* pcie port 0 RC control registers */
 		      <0x1e143000 0x100>, /* pcie port 1 RC control registers */
 		      <0x1e144000 0x100>; /* pcie port 2 RC control registers */
+		ranges = <0x02000000 0 0x60000000 0x60000000 0 0x10000000>, /* pci memory */
+			 <0x01000000 0 0x00000000 0x1e160000 0 0x00010000>; /* io space */
+
 		#address-cells = <3>;
+		#interrupt-cells = <1>;
 		#size-cells = <2>;
 
-		pinctrl-names = "default";
-		pinctrl-0 = <&pcie_pins>;
-
 		device_type = "pci";
 
-		ranges = <0x02000000 0 0x60000000 0x60000000 0 0x10000000>, /* pci memory */
-			 <0x01000000 0 0x00000000 0x1e160000 0 0x00010000>; /* io space */
-
-		#interrupt-cells = <1>;
-		interrupt-map-mask = <0xF800 0 0 0>;
-		interrupt-map = <0x0000 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>,
+		interrupt-map-mask = <0xf800 0 0 0>;
+		interrupt-map = <0x0000 0 0 0 &gic GIC_SHARED  4 IRQ_TYPE_LEVEL_HIGH>,
 				<0x0800 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>,
 				<0x1000 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
 
-		status = "disabled";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie_pins>;
 
 		reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
 
+		status = "disabled";
+
 		pcie@0,0 {
 			reg = <0x0000 0 0 0 0>;
+			ranges;
+
 			#address-cells = <3>;
+			#interrupt-cells = <1>;
 			#size-cells = <2>;
+
+			clocks = <&sysc MT7621_CLK_PCIE0>;
+
 			device_type = "pci";
-			#interrupt-cells = <1>;
+
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>;
-			resets = <&sysc MT7621_RST_PCIE0>;
-			clocks = <&sysc MT7621_CLK_PCIE0>;
-			phys = <&pcie0_phy 1>;
+
 			phy-names = "pcie-phy0";
-			ranges;
+			phys = <&pcie0_phy 1>;
+
+			resets = <&sysc MT7621_RST_PCIE0>;
 		};
 
 		pcie@1,0 {
 			reg = <0x0800 0 0 0 0>;
+			ranges;
+
 			#address-cells = <3>;
+			#interrupt-cells = <1>;
 			#size-cells = <2>;
+
+			clocks = <&sysc MT7621_CLK_PCIE1>;
+
 			device_type = "pci";
-			#interrupt-cells = <1>;
+
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>;
-			resets = <&sysc MT7621_RST_PCIE1>;
-			clocks = <&sysc MT7621_CLK_PCIE1>;
-			phys = <&pcie0_phy 1>;
+
 			phy-names = "pcie-phy1";
-			ranges;
+			phys = <&pcie0_phy 1>;
+
+			resets = <&sysc MT7621_RST_PCIE1>;
 		};
 
 		pcie@2,0 {
 			reg = <0x1000 0 0 0 0>;
+			ranges;
+
 			#address-cells = <3>;
+			#interrupt-cells = <1>;
 			#size-cells = <2>;
+
+			clocks = <&sysc MT7621_CLK_PCIE2>;
+
 			device_type = "pci";
-			#interrupt-cells = <1>;
+
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
-			resets = <&sysc MT7621_RST_PCIE2>;
-			clocks = <&sysc MT7621_CLK_PCIE2>;
-			phys = <&pcie2_phy 0>;
+
 			phy-names = "pcie-phy2";
-			ranges;
+			phys = <&pcie2_phy 0>;
+
+			resets = <&sysc MT7621_RST_PCIE2>;
 		};
 	};
 
 	pcie0_phy: pcie-phy@1e149000 {
 		compatible = "mediatek,mt7621-pci-phy";
 		reg = <0x1e149000 0x0700>;
-		clocks = <&sysc MT7621_CLK_XTAL>;
+
 		#phy-cells = <1>;
+
+		clocks = <&sysc MT7621_CLK_XTAL>;
 	};
 
 	pcie2_phy: pcie-phy@1e14a000 {
 		compatible = "mediatek,mt7621-pci-phy";
 		reg = <0x1e14a000 0x0700>;
-		clocks = <&sysc MT7621_CLK_XTAL>;
+
 		#phy-cells = <1>;
+
+		clocks = <&sysc MT7621_CLK_XTAL>;
 	};
 };
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 2e99450f4228..87ff609b53fe 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -37,6 +37,7 @@
 #define CFI_SECTIONS
 #endif
 
+#ifdef __ASSEMBLY__
 /*
  * LEAF - declare leaf routine
  */
@@ -122,6 +123,8 @@ symbol		=	value
 #define ASM_PRINT(string)
 #endif
 
+#endif /* __ASSEMBLY__ */
+
 /*
  * Stack alignment
  */
diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index 4dce41138bad..d8077136372c 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -2,6 +2,7 @@
 #ifndef _MIPS_SETUP_H
 #define _MIPS_SETUP_H
 
+#include <linux/init.h>
 #include <linux/types.h>
 #include <uapi/asm/setup.h>
 
@@ -29,4 +30,9 @@ extern void per_cpu_trap_init(bool);
 extern void cpu_cache_init(void);
 extern void tlb_init(void);
 
+#ifdef CONFIG_RELOCATABLE
+extern void * __init relocate_kernel(void);
+extern int plat_post_relocation(long);
+#endif
+
 #endif /* __SETUP_H */
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index a8705aef47e1..a13431379073 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -308,17 +308,12 @@
 		jal	octeon_mult_restore
 #endif
 #ifdef CONFIG_CPU_HAS_SMARTMIPS
-		LONG_L	$24, PT_ACX(sp)
-		mtlhx	$24
-		LONG_L	$24, PT_HI(sp)
-		mtlhx	$24
+		LONG_L	$14, PT_ACX(sp)
 		LONG_L	$24, PT_LO(sp)
-		mtlhx	$24
+		LONG_L	$15, PT_HI(sp)
 #elif !defined(CONFIG_CPU_MIPSR6)
 		LONG_L	$24, PT_LO(sp)
-		mtlo	$24
-		LONG_L	$24, PT_HI(sp)
-		mthi	$24
+		LONG_L	$15, PT_HI(sp)
 #endif
 #ifdef CONFIG_32BIT
 		cfi_ld	$8, PT_R8, \docfi
@@ -327,6 +322,14 @@
 		cfi_ld	$10, PT_R10, \docfi
 		cfi_ld	$11, PT_R11, \docfi
 		cfi_ld	$12, PT_R12, \docfi
+#ifdef CONFIG_CPU_HAS_SMARTMIPS
+		mtlhx	$14
+		mtlhx	$15
+		mtlhx	$24
+#elif !defined(CONFIG_CPU_MIPSR6)
+		mtlo	$24
+		mthi	$15
+#endif
 		cfi_ld	$13, PT_R13, \docfi
 		cfi_ld	$14, PT_R14, \docfi
 		cfi_ld	$15, PT_R15, \docfi
diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c
index 2583e318e8c6..b080c7c6cc46 100644..100755
--- a/arch/mips/pci/pcie-octeon.c
+++ b/arch/mips/pci/pcie-octeon.c
@@ -230,12 +230,18 @@ static inline uint64_t __cvmx_pcie_build_config_addr(int pcie_port, int bus,
 {
 	union cvmx_pcie_address pcie_addr;
 	union cvmx_pciercx_cfg006 pciercx_cfg006;
+	union cvmx_pciercx_cfg032 pciercx_cfg032;
 
 	pciercx_cfg006.u32 =
 	    cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG006(pcie_port));
 	if ((bus <= pciercx_cfg006.s.pbnum) && (dev != 0))
 		return 0;
 
+	pciercx_cfg032.u32 =
+		cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG032(pcie_port));
+	if ((pciercx_cfg032.s.dlla == 0) || (pciercx_cfg032.s.lt == 1))
+		return 0;
+
 	pcie_addr.u64 = 0;
 	pcie_addr.config.upper = 2;
 	pcie_addr.config.io = 1;
diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c
index 29c21b9d42da..ea6ebfea4a67 100644
--- a/arch/mips/rb532/gpio.c
+++ b/arch/mips/rb532/gpio.c
@@ -197,7 +197,7 @@ void rb532_gpio_set_func(unsigned gpio)
 }
 EXPORT_SYMBOL(rb532_gpio_set_func);
 
-int __init rb532_gpio_init(void)
+static int __init rb532_gpio_init(void)
 {
 	struct resource *r;
 
diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c
index b11693715547..b88e89ec5894 100644
--- a/arch/mips/rb532/prom.c
+++ b/arch/mips/rb532/prom.c
@@ -46,7 +46,7 @@ static inline unsigned long tag2ul(char *arg, const char *tag)
 	return simple_strtoul(num, 0, 10);
 }
 
-void __init prom_setup_cmdline(void)
+static void __init prom_setup_cmdline(void)
 {
 	static char cmd_line[COMMAND_LINE_SIZE] __initdata;
 	char *cp, *board;
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 8f5299b269e7..00e63e9ef61d 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -277,7 +277,6 @@ void __init arch_init_irq(void)
 {
 	struct irq_domain *domain;
 	struct fwnode_handle *fn;
-	int i;
 
 	mips_cpu_irq_init();
 
@@ -286,20 +285,16 @@ void __init arch_init_irq(void)
 	 * Mark these as reserved right away so they won't be used accidentally
 	 * later.
 	 */
-	for (i = 0; i <= CPU_CALL_B_IRQ; i++)
-		set_bit(i, hub_irq_map);
-
-	for (i = NI_BRDCAST_ERR_A; i <= MSC_PANIC_INTR; i++)
-		set_bit(i, hub_irq_map);
+	bitmap_set(hub_irq_map, 0, CPU_CALL_B_IRQ + 1);
+	bitmap_set(hub_irq_map, NI_BRDCAST_ERR_A, MSC_PANIC_INTR - NI_BRDCAST_ERR_A + 1);
 
 	fn = irq_domain_alloc_named_fwnode("HUB");
-	WARN_ON(fn == NULL);
-	if (!fn)
+	if (WARN_ON(fn == NULL))
 		return;
+
 	domain = irq_domain_create_linear(fn, IP27_HUB_IRQ_COUNT,
 					  &hub_domain_ops, NULL);
-	WARN_ON(domain == NULL);
-	if (!domain)
+	if (WARN_ON(domain == NULL))
 		return;
 
 	irq_set_default_host(domain);