Merge pull request #61 from toradex/4.14-2.3.x-imx

4.14 2.3.x imx: net: sch_generic compilation fix, rel_imx_4.14.98_2.3.1_patch and v4.14.170 stable

Documentation/ABI/testing/sysfs-bus-mei

@@ -4,7 +4,7 @@ KernelVersion:	3.10
 Contact:	Samuel Ortiz <sameo@linux.intel.com>
 		linux-mei@linux.intel.com
 Description:	Stores the same MODALIAS value emitted by uevent
-		Format: mei:<mei device name>:<device uuid>:
+		Format: mei:<mei device name>:<device uuid>:<protocol version>
 
 What:		/sys/bus/mei/devices/.../name
 Date:		May 2015

Documentation/ABI/testing/sysfs-class-devfreq

@@ -7,6 +7,13 @@ Description:
 		The name of devfreq object denoted as ... is same as the
 		name of device using devfreq.
 
+What:		/sys/class/devfreq/.../name
+Date:		November 2019
+Contact:	Chanwoo Choi <cw00.choi@samsung.com>
+Description:
+		The /sys/class/devfreq/.../name shows the name of device
+		of the corresponding devfreq object.
+
 What:		/sys/class/devfreq/.../governor
 Date:		September 2011
 Contact:	MyungJoo Ham <myungjoo.ham@samsung.com>

Documentation/admin-guide/kernel-parameters.txt

@@ -1845,6 +1845,12 @@
 			Built with CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y,
 			the default is off.
 
+	kpti=		[ARM64] Control page table isolation of user
+			and kernel address spaces.
+			Default: enabled on cores which need mitigation.
+			0: force disabled
+			1: force enabled
+
 	kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs.
 			Default is 0 (don't ignore, but inject #GP)
 

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
-SUBLEVEL = 164
+SUBLEVEL = 170
 EXTRAVERSION =
 NAME = Petit Gorille
 
@@ -971,6 +971,7 @@ ifdef CONFIG_STACK_VALIDATION
   endif
 endif
 
+PHONY += prepare0
 
 ifeq ($(KBUILD_EXTMOD),)
 core-y		+= kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/
@@ -1065,8 +1066,7 @@ include/config/kernel.release: include/config/auto.conf FORCE
 # archprepare is used in arch Makefiles and when processed asm symlink,
 # version.h and scripts_basic is processed / created.
 
-# Listed in dependency order
+PHONY += prepare archprepare prepare1 prepare2 prepare3
-PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
 
 # prepare3 is used to check if we are building in a separate output directory,
 # and if so do:

arch/arc/plat-eznps/Kconfig

@@ -7,7 +7,7 @@
 menuconfig ARC_PLAT_EZNPS
 	bool "\"EZchip\" ARC dev platform"
 	select CPU_BIG_ENDIAN
-	select CLKSRC_NPS
+	select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
 	select EZNPS_GIC
 	select EZCHIP_NPS_MANAGEMENT_ENET if ETHERNET
 	help

arch/arm/boot/dts/am335x-boneblack-common.dtsi

@@ -131,6 +131,11 @@
 };
 
 / {
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>; /* 512 MB */
+	};
+
 	clk_mcasp0_fixed: clk_mcasp0_fixed {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";

arch/arm/boot/dts/am571x-idk.dts

@@ -93,7 +93,7 @@
 
 &pcie1_rc {
 	status = "okay";
-	gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
+	gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
 };
 
 &pcie1_ep {

arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi

@@ -32,6 +32,27 @@
 		reg = <0x0 0x80000000 0x0 0x80000000>;
 	};
 
+	main_12v0: fixedregulator-main_12v0 {
+		/* main supply */
+		compatible = "regulator-fixed";
+		regulator-name = "main_12v0";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	evm_5v0: fixedregulator-evm_5v0 {
+		/* Output of TPS54531D */
+		compatible = "regulator-fixed";
+		regulator-name = "evm_5v0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&main_12v0>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	vdd_3v3: fixedregulator-vdd_3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd_3v3";

arch/arm/boot/dts/lpc3250-phy3250.dts

@@ -49,8 +49,8 @@
 		sd_reg: regulator@2 {
 			compatible = "regulator-fixed";
 			regulator-name = "sd_reg";
-			regulator-min-microvolt = <1800000>;
+			regulator-min-microvolt = <3300000>;
-			regulator-max-microvolt = <1800000>;
+			regulator-max-microvolt = <3300000>;
 			gpio = <&gpio 5 5 0>;
 			enable-active-high;
 		};

arch/arm/boot/dts/lpc32xx.dtsi

@@ -139,11 +139,11 @@
 		};
 
 		clcd: clcd@31040000 {
-			compatible = "arm,pl110", "arm,primecell";
+			compatible = "arm,pl111", "arm,primecell";
 			reg = <0x31040000 0x1000>;
 			interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&clk LPC32XX_CLK_LCD>;
+			clocks = <&clk LPC32XX_CLK_LCD>, <&clk LPC32XX_CLK_LCD>;
-			clock-names = "apb_pclk";
+			clock-names = "clcdclk", "apb_pclk";
 			status = "disabled";
 		};
 
@@ -462,7 +462,9 @@
 			key: key@40050000 {
 				compatible = "nxp,lpc3220-key";
 				reg = <0x40050000 0x1000>;
-				interrupts = <54 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk LPC32XX_CLK_KEY>;
+				interrupt-parent = <&sic1>;
+				interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};
 

arch/arm/boot/dts/ls1021a-twr.dts

@@ -143,7 +143,7 @@
 };
 
 &enet0 {
-	tbi-handle = <&tbi1>;
+	tbi-handle = <&tbi0>;
 	phy-handle = <&sgmii_phy2>;
 	phy-connection-type = "sgmii";
 	status = "okay";
@@ -222,6 +222,13 @@
 	sgmii_phy2: ethernet-phy@2 {
 		reg = <0x2>;
 	};
+	tbi0: tbi-phy@1f {
+		reg = <0x1f>;
+		device_type = "tbi-phy";
+	};
+};
+
+&mdio1 {
 	tbi1: tbi-phy@1f {
 		reg = <0x1f>;
 		device_type = "tbi-phy";

arch/arm/boot/dts/ls1021a.dtsi

@@ -562,13 +562,22 @@
 		};
 
 		mdio0: mdio@2d24000 {
-			compatible = "gianfar";
+			compatible = "fsl,etsec2-mdio";
 			device_type = "mdio";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x0 0x2d24000 0x0 0x4000>;
 		};
 
+		mdio1: mdio@2d64000 {
+			compatible = "fsl,etsec2-mdio";
+			device_type = "mdio";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x2d64000 0x0 0x4000>,
+			      <0x0 0x2d50030 0x0 0x4>;
+		};
+
 		ptp_clock@2d10e00 {
 			compatible = "fsl,etsec-ptp";
 			reg = <0x0 0x2d10e00 0x0 0xb0>;

arch/arm/boot/dts/stm32h743i-eval.dts

@@ -71,6 +71,7 @@
 };
 
 &adc_12 {
+	vdda-supply = <&vdda>;
 	vref-supply = <&vdda>;
 	status = "okay";
 	adc1: adc@0 {

arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts

@@ -90,7 +90,7 @@
 		initial-mode = <1>; /* initialize in HUB mode */
 		disabled-ports = <1>;
 		intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
-		reset-gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
+		reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */
 		connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
 		refclk-frequency = <19200000>;
 	};

arch/arm/boot/dts/sun8i-h3-beelink-x2.dts

@@ -79,6 +79,8 @@
 	wifi_pwrseq: wifi_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+		clocks = <&rtc 1>;
+		clock-names = "ext_clock";
 	};
 
 	sound_spdif {
@@ -128,6 +130,8 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins_a>;
 	vmmc-supply = <&reg_vcc3v3>;
+	vqmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&wifi_pwrseq>;
 	bus-width = <4>;
 	non-removable;
 	status = "okay";

arch/arm/common/mcpm_entry.c

@@ -379,7 +379,7 @@ static int __init nocache_trampoline(unsigned long _arg)
 	unsigned int cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
 	phys_reset_t phys_reset;
 
-	mcpm_set_entry_vector(cpu, cluster, cpu_resume);
+	mcpm_set_entry_vector(cpu, cluster, cpu_resume_no_hyp);
 	setup_mm_for_reboot();
 
 	__mcpm_cpu_going_down(cpu, cluster);

arch/arm/include/asm/suspend.h

@@ -10,6 +10,7 @@ struct sleep_save_sp {
 };
 
 extern void cpu_resume(void);
+extern void cpu_resume_no_hyp(void);
 extern void cpu_resume_arm(void);
 extern int cpu_suspend(unsigned long, int (*)(unsigned long));
 

arch/arm/kernel/hyp-stub.S

@@ -159,10 +159,9 @@ ARM_BE8(orr	r7, r7, #(1 << 25))     @ HSCTLR.EE
 #if !defined(ZIMAGE) && defined(CONFIG_ARM_ARCH_TIMER)
 	@ make CNTP_* and CNTPCT accessible from PL1
 	mrc	p15, 0, r7, c0, c1, 1	@ ID_PFR1
-	lsr	r7, #16
+	ubfx	r7, r7, #16, #4
-	and	r7, #0xf
+	teq	r7, #0
-	cmp	r7, #1
+	beq	1f
-	bne	1f
 	mrc	p15, 4, r7, c14, c1, 0	@ CNTHCTL
 	orr	r7, r7, #3		@ PL1PCEN | PL1PCTEN
 	mcr	p15, 4, r7, c14, c1, 0	@ CNTHCTL
@@ -180,8 +179,8 @@ ARM_BE8(orr	r7, r7, #(1 << 25))     @ HSCTLR.EE
 	@ Check whether GICv3 system registers are available
 	mrc	p15, 0, r7, c0, c1, 1	@ ID_PFR1
 	ubfx	r7, r7, #28, #4
-	cmp	r7, #1
+	teq	r7, #0
-	bne	2f
+	beq	2f
 
 	@ Enable system register accesses
 	mrc	p15, 4, r7, c12, c9, 5	@ ICC_HSRE

arch/arm/kernel/sleep.S

@@ -120,6 +120,14 @@ ENDPROC(cpu_resume_after_mmu)
 	.text
 	.align
 
+#ifdef CONFIG_MCPM
+	.arm
+THUMB(	.thumb			)
+ENTRY(cpu_resume_no_hyp)
+ARM_BE8(setend be)			@ ensure we are in BE mode
+	b	no_hyp
+#endif
+
 #ifdef CONFIG_MMU
 	.arm
 ENTRY(cpu_resume_arm)
@@ -135,6 +143,7 @@ ARM_BE8(setend be)			@ ensure we are in BE mode
 	bl	__hyp_stub_install_secondary
 #endif
 	safe_svcmode_maskall r1
+no_hyp:
 	mov	r1, #0
 	ALT_SMP(mrc p15, 0, r0, c0, c0, 5)
 	ALT_UP_B(1f)
@@ -163,6 +172,9 @@ ENDPROC(cpu_resume)
 
 #ifdef CONFIG_MMU
 ENDPROC(cpu_resume_arm)
+#endif
+#ifdef CONFIG_MCPM
+ENDPROC(cpu_resume_no_hyp)
 #endif
 
 	.align 2

arch/arm/mach-omap2/omap_hwmod.c

@@ -2530,7 +2530,7 @@ static void _setup_iclk_autoidle(struct omap_hwmod *oh)
  */
 static int _setup_reset(struct omap_hwmod *oh)
 {
-	int r;
+	int r = 0;
 
 	if (oh->_state != _HWMOD_STATE_INITIALIZED)
 		return -EINVAL;

arch/arm/mach-rpc/irq.c

@@ -118,7 +118,7 @@ extern unsigned char rpc_default_fiq_start, rpc_default_fiq_end;
 
 void __init rpc_init_irq(void)
 {
-	unsigned int irq, clr, set = 0;
+	unsigned int irq, clr, set;
 
 	iomd_writeb(0, IOMD_IRQMASKA);
 	iomd_writeb(0, IOMD_IRQMASKB);
@@ -130,6 +130,7 @@ void __init rpc_init_irq(void)
 
 	for (irq = 0; irq < NR_IRQS; irq++) {
 		clr = IRQ_NOREQUEST;
+		set = 0;
 
 		if (irq <= 6 || (irq >= 9 && irq <= 15))
 			clr |= IRQ_NOPROBE;

arch/arm/plat-pxa/ssp.c

@@ -230,18 +230,12 @@ static int pxa_ssp_probe(struct platform_device *pdev)
 
 static int pxa_ssp_remove(struct platform_device *pdev)
 {
-	struct resource *res;
 	struct ssp_device *ssp;
 
 	ssp = platform_get_drvdata(pdev);
 	if (ssp == NULL)
 		return -ENODEV;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, resource_size(res));
-
-	clk_put(ssp->clk);
-
 	mutex_lock(&ssp_lock);
 	list_del(&ssp->node);
 	mutex_unlock(&ssp_lock);

arch/arm64/boot/Makefile

@@ -16,7 +16,7 @@
 
 OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
 
-targets := Image Image.gz
+targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo
 
 $(obj)/Image: vmlinux FORCE
 	$(call if_changed,objcopy)

arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi

@@ -274,7 +274,8 @@
 			interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&ccu 58>;
+			clocks = <&ccu 58>, <&osc24M>, <&rtc 0>;
+			clock-names = "apb", "hosc", "losc";
 			gpio-controller;
 			#gpio-cells = <3>;
 			interrupt-controller;

arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi

@@ -56,10 +56,10 @@
 
 	pmu {
 		compatible = "arm,armv8-pmuv3";
-		interrupts = <0 120 8>,
+		interrupts = <0 170 4>,
-			     <0 121 8>,
+			     <0 171 4>,
-			     <0 122 8>,
+			     <0 172 4>,
-			     <0 123 8>;
+			     <0 173 4>;
 		interrupt-affinity = <&cpu0>,
 				     <&cpu1>,
 				     <&cpu2>,

arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts

@@ -33,11 +33,9 @@
 
 	gpio-keys-polled {
 		compatible = "gpio-keys-polled";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		poll-interval = <100>;
 
-		button@0 {
+		power-button {
 			label = "power";
 			linux,code = <KEY_POWER>;
 			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;

arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts

@@ -226,7 +226,6 @@
 	cap-mmc-highspeed;
 	mmc-ddr-3_3v;
 	max-frequency = <50000000>;
-	non-removable;
 	disable-wp;
 
 	mmc-pwrseq = <&emmc_pwrseq>;

arch/arm64/boot/dts/arm/juno-base.dtsi

@@ -5,7 +5,6 @@
 	/*
 	 *  Devices shared by all Juno boards
 	 */
-	dma-ranges = <0 0 0 0 0x100 0>;
 
 	memtimer: timer@2a810000 {
 		compatible = "arm,armv7-timer-mem";

arch/arm64/boot/dts/arm/juno-clocks.dtsi

@@ -8,10 +8,10 @@
  */
 / {
 	/* SoC fixed clocks */
-	soc_uartclk: refclk7273800hz {
+	soc_uartclk: refclk7372800hz {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
-		clock-frequency = <7273800>;
+		clock-frequency = <7372800>;
 		clock-output-names = "juno:uartclk";
 	};
 

arch/arm64/boot/dts/freescale/Makefile

@@ -92,6 +92,16 @@ dtb-$(CONFIG_ARCH_FSL_IMX8QXP) += fsl-imx8qxp-lpddr4-arm2.dtb \
 				  fsl-imx8qxp-ddr3l-val.dtb \
 				  fsl-imx8dx-17x17-val.dtb \
 				  fsl-imx8dx-lpddr4-arm2.dtb \
+				  fsl-imx8dx-mek.dtb \
+				  fsl-imx8dx-mek-rpmsg.dtb \
+				  fsl-imx8dx-mek-dsp.dtb \
+				  fsl-imx8dx-mek-enet2-tja1100.dtb \
+				  fsl-imx8dx-mek-ov5640.dtb \
+				  fsl-imx8dx-mek-dsi-rm67191.dtb \
+				  fsl-imx8dx-mek-it6263-lvds0-dual-channel.dtb \
+				  fsl-imx8dx-mek-it6263-lvds1-dual-channel.dtb \
+				  fsl-imx8dx-mek-jdi-wuxga-lvds0-panel.dtb \
+				  fsl-imx8dx-mek-jdi-wuxga-lvds1-panel.dtb \
 				  fsl-imx8dxp-lpddr4-arm2.dtb
 dtb-$(CONFIG_ARCH_FSL_IMX8MQ) += fsl-imx8mq-ddr3l-arm2.dtb \
 				 fsl-imx8mq-ddr4-arm2.dtb \

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-dsi-rm67191.dts

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dts"
+
+&mipi_dsi_bridge1 {
+	status = "okay";
+
+	panel@0 {
+		compatible = "raydium,rm67191";
+		reg = <0>;
+		reset-gpio = <&pca9557_a 6 GPIO_ACTIVE_HIGH>;
+		dsi-lanes = <4>;
+		panel-width-mm = <68>;
+		panel-height-mm = <121>;
+		port {
+			panel1_in: endpoint {
+				remote-endpoint = <&mipi_bridge1_out>;
+			};
+		};
+	};
+
+	port@2 {
+		mipi_bridge1_out: endpoint {
+			remote-endpoint = <&panel1_in>;
+		};
+	};
+};
+
+&mipi_dsi_bridge2 {
+	status = "okay";
+
+	panel@0 {
+		compatible = "raydium,rm67191";
+		reg = <0>;
+		reset-gpio = <&pca9557_b 7 GPIO_ACTIVE_HIGH>;
+		dsi-lanes = <4>;
+		panel-width-mm = <68>;
+		panel-height-mm = <121>;
+		port {
+			panel2_in: endpoint {
+				remote-endpoint = <&mipi_bridge2_out>;
+			};
+		};
+	};
+
+	port@2 {
+		mipi_bridge2_out: endpoint {
+			remote-endpoint = <&panel2_in>;
+		};
+	};
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-dsp.dts

@@ -0,0 +1,232 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright NXP 2018
+
+#include "fsl-imx8dx-mek-rpmsg.dts"
+
+/ {
+	sound-cs42888 {
+		status = "disabled";
+	};
+
+	sound {
+		status = "disabled";
+	};
+
+	dspaudio: dspaudio {
+		compatible = "fsl,dsp-audio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_esai0>;
+		status = "okay";
+	};
+
+	sound-dsp {
+		compatible = "fsl,imx-dsp-audio";
+		model = "dsp-audio";
+		cpu-dai = <&dspaudio>;
+		audio-codec = <&cs42888>;
+		audio-platform = <&dsp>;
+	};
+};
+
+&edma0 {
+	compatible = "fsl,imx8qm-edma";
+	reg = <0x0 0x59280000 0x0 0x10000>, /* spdif0 rx */
+		<0x0 0x59290000 0x0 0x10000>, /* spdif0 tx */
+		<0x0 0x592c0000 0x0 0x10000>, /* sai0 rx */
+		<0x0 0x592d0000 0x0 0x10000>, /* sai0 tx */
+		<0x0 0x592e0000 0x0 0x10000>, /* sai1 rx */
+		<0x0 0x592f0000 0x0 0x10000>, /* sai1 tx */
+		<0x0 0x59300000 0x0 0x10000>, /* sai2 rx */
+		<0x0 0x59310000 0x0 0x10000>;
+	#dma-cells = <3>;
+	shared-interrupt;
+	dma-channels = <8>;
+	interrupts = <GIC_SPI 457 IRQ_TYPE_LEVEL_HIGH>, /* spdif0 */
+			<GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>, /* sai0 */
+			<GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>, /* sai1 */
+			<GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>;
+	interrupt-names = "edma0-chan8-rx", "edma0-chan9-tx", /* spdif0 */
+			"edma0-chan12-rx", "edma0-chan13-tx", /* sai0 */
+			"edma0-chan14-rx", "edma0-chan15-tx", /* sai1 */
+			"edma0-chan16-rx",		/* sai2 */
+			"edma0-chan17-rx";		/* sai3 */
+	pdomains =  <&pd_dma0_chan8>, <&pd_dma0_chan9>, /* spdif0 */
+		    <&pd_dma0_chan12>, <&pd_dma0_chan13>, /* sai0 */
+		    <&pd_dma0_chan14>, <&pd_dma0_chan15>, /* sai1 */
+		    <&pd_dma0_chan16>, /* sai2 rx */
+		    <&pd_dma0_chan17>; /* sai3 rx */
+	status = "okay";
+};
+
+&dsp {
+	compatible = "fsl,imx8qxp-dsp";
+	reserved-region = <&dsp_reserved>;
+	reg = <0x0 0x596e8000 0x0 0x88000>;
+	clocks = <&clk IMX8QXP_AUD_ESAI_0_IPG>,
+		<&clk IMX8QXP_AUD_ESAI_0_EXTAL_IPG>,
+		<&clk IMX8QXP_AUD_ASRC_0_IPG>,
+		<&clk IMX8QXP_CLK_DUMMY>,
+		<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_CLK>,
+		<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK1_CLK>,
+		<&clk IMX8QXP_ACM_AUD_CLK0_SEL>,
+		<&clk IMX8QXP_ACM_AUD_CLK1_SEL>;
+	clock-names = "esai_ipg", "esai_mclk", "asrc_ipg", "asrc_mem",
+			"asrck_0", "asrck_1", "asrck_2", "asrck_3";
+	assigned-clocks = <&clk IMX8QXP_ACM_ESAI0_MCLK_SEL>,
+		<&clk IMX8QXP_AUD_PLL0_DIV>,
+		<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_DIV>,
+		<&clk IMX8QXP_AUD_ACM_AUD_REC_CLK0_DIV>,
+		<&clk IMX8QXP_AUD_ESAI_0_EXTAL_IPG>;
+	assigned-clock-parents = <&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_CLK>;
+	assigned-clock-rates = <0>, <786432000>, <49152000>, <24576000>, <49152000>;
+	fsl,dsp-firmware = "imx/dsp/hifi4.bin";
+	power-domains = <&pd_dsp>;
+};
+
+/delete-node/ &pd_dma0_chan0;
+/delete-node/ &pd_dma0_chan1;
+/delete-node/ &pd_dma0_chan2;
+/delete-node/ &pd_dma0_chan3;
+/delete-node/ &pd_dma0_chan4;
+/delete-node/ &pd_dma0_chan5;
+/delete-node/ &pd_dma0_chan6;
+/delete-node/ &pd_dma0_chan7;
+/delete-node/ &pd_dsp_mu_A;
+/delete-node/ &pd_esai0;
+
+&pd_asrc0 {
+	reg = <SC_R_ASRC_0>;
+	power-domains =<&pd_audio_clk1>;
+	#power-domain-cells = <0>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	pd_dma0_chan0: PD_ASRC_0_RXA {
+		reg = <SC_R_DMA_0_CH0>;
+		power-domains =<&pd_asrc0>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+	pd_dma0_chan1: PD_ASRC_0_RXB {
+		reg = <SC_R_DMA_0_CH1>;
+		power-domains =<&pd_dma0_chan0>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+	pd_dma0_chan2: PD_ASRC_0_RXC {
+		reg = <SC_R_DMA_0_CH2>;
+		power-domains =<&pd_dma0_chan1>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+	pd_dma0_chan3: PD_ASRC_0_TXA {
+		reg = <SC_R_DMA_0_CH3>;
+		power-domains =<&pd_dma0_chan2>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+	pd_dma0_chan4: PD_ASRC_0_TXB {
+		reg = <SC_R_DMA_0_CH4>;
+		power-domains =<&pd_dma0_chan3>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+	pd_dma0_chan5: PD_ASRC_0_TXC {
+		reg = <SC_R_DMA_0_CH5>;
+		power-domains =<&pd_dma0_chan4>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+	pd_dma0_chan6: PD_ESAI_0_RX {
+		reg = <SC_R_DMA_0_CH6>;
+		power-domains =<&pd_dma0_chan5>;
+		#power-domain-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pd_dma0_chan7: PD_ESAI_0_TX {
+			reg = <SC_R_DMA_0_CH7>;
+			power-domains =<&pd_dma0_chan6>;
+			#power-domain-cells = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			pd_esai0: PD_AUD_ESAI_0 {
+				reg = <SC_R_ESAI_0>;
+				#power-domain-cells = <0>;
+				power-domains =<&pd_dma0_chan7>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				pd_dsp_mu_A: PD_DSP_MU_A {
+					reg = <SC_R_MU_13A>;
+					#power-domain-cells = <0>;
+					power-domains =<&pd_esai0>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					pd_dsp_mu_B: PD_DSP_MU_B {
+						reg = <SC_R_MU_13B>;
+						#power-domain-cells = <0>;
+						power-domains =<&pd_dsp_mu_A>;
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						pd_dsp_ram: PD_AUD_OCRAM {
+							reg = <SC_R_DSP_RAM>;
+							#power-domain-cells = <0>;
+							power-domains =<&pd_dsp_mu_B>;
+							#address-cells = <1>;
+							#size-cells = <0>;
+							pd_dsp: PD_AUD_DSP {
+								reg = <SC_R_DSP>;
+								#power-domain-cells = <0>;
+								power-domains =<&pd_dsp_ram>;
+							};
+						};
+					};
+				};
+			};
+		};
+	};
+	};
+	};
+	};
+	};
+	};
+	};
+};
+
+&esai0 {
+	status = "disabled";
+};
+
+&asrc0 {
+	status = "disabled";
+};
+
+&sai1 {
+	status = "disabled";
+};
+
+&wm8960 {
+	status = "disabled";
+};
+
+&cs42888 {
+	assigned-clocks = <&clk IMX8QXP_AUD_PLL0_DIV>,
+			<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_DIV>,
+			<&clk IMX8QXP_AUD_ACM_AUD_REC_CLK0_DIV>,
+			<&clk IMX8QXP_AUD_MCLKOUT0>;
+	assigned-clock-rates = <786432000>, <49152000>, <24576000>, <12288000>;
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-enet2-tja1100.dts

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dts"
+#include "fsl-imx8qxp-enet2-tja1100.dtsi"
+
+&esai0 {
+	status = "disabled";
+};
+
+&ethphy1 {
+	status = "okay";
+};
+
+&fec2 {
+	status = "okay";
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-it6263-lvds0-dual-channel.dts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dts"
+
+&i2c0_mipi_lvds0 {
+	lvds-to-hdmi-bridge@4c {
+		split-mode;
+	};
+};
+
+&ldb1 {
+	fsl,dual-channel;
+	power-domains = <&pd_mipi_dsi_0_dual_lvds>;
+};
+
+&ldb2 {
+	status = "disabled";
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-it6263-lvds1-dual-channel.dts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dts"
+
+&i2c0_mipi_lvds1 {
+	lvds-to-hdmi-bridge@4c {
+		split-mode;
+	};
+};
+
+&ldb1 {
+	status = "disabled";
+};
+
+&ldb2 {
+	fsl,dual-channel;
+	power-domains = <&pd_mipi_dsi_1_dual_lvds>;
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-jdi-wuxga-lvds0-panel.dts

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dts"
+
+/ {
+	lvds0_panel {
+		compatible = "jdi,tx26d202vm0bwa";
+		backlight = <&lvds_backlight1>;
+
+		port {
+			panel_lvds0_in: endpoint {
+				remote-endpoint = <&lvds0_out>;
+			};
+		};
+	};
+};
+
+&ldb1 {
+	fsl,dual-channel;
+	power-domains = <&pd_mipi_dsi_0_dual_lvds>;
+
+	lvds-channel@0 {
+		fsl,data-mapping = "spwg";
+		fsl,data-width = <24>;
+
+		port@1 {
+			reg = <1>;
+
+			lvds0_out: endpoint {
+				remote-endpoint = <&panel_lvds0_in>;
+			};
+		};
+	};
+};
+
+&ldb2 {
+	status = "disabled";
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-jdi-wuxga-lvds1-panel.dts

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dts"
+
+/ {
+	lvds1_panel {
+		compatible = "jdi,tx26d202vm0bwa";
+		backlight = <&lvds_backlight0>;
+
+		port {
+			panel_lvds1_in: endpoint {
+				remote-endpoint = <&lvds1_out>;
+			};
+		};
+	};
+};
+
+&ldb2 {
+	fsl,dual-channel;
+	power-domains = <&pd_mipi_dsi_1_dual_lvds>;
+
+	lvds-channel@0 {
+		fsl,data-mapping = "spwg";
+		fsl,data-width = <24>;
+
+		port@1 {
+			reg = <1>;
+
+			lvds1_out: endpoint {
+				remote-endpoint = <&panel_lvds1_in>;
+			};
+		};
+	};
+};
+
+&ldb1 {
+	status = "disabled";
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-ov5640.dts

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright NXP 2020
+
+#include "fsl-imx8dx-mek.dts"
+#include "fsl-imx8dx-mek-ov5640.dtsi"
+
+&i2c0_cm40 {
+	ov5640: ov5640@3c {
+		compatible = "ovti,ov5640_v3";
+		reg = <0x3c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_parallel_csi>;
+		clocks = <&clk IMX8QXP_PARALLEL_CSI_MISC0_CLK>;
+		clock-names = "csi_mclk";
+		pwn-gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
+		rst-gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
+		csi_id = <0>;
+		mclk = <24000000>;
+		mclk_source = <0>;
+		status = "okay";
+		port {
+			ov5640_ep: endpoint {
+				remote-endpoint = <&parallel_csi_ep>;
+			};
+		};
+	};
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-ov5640.dtsi

@@ -0,0 +1,126 @@
+&iomuxc {
+	imx8qxp-mek {
+		pinctrl_mipi_csi0: mipicsi0grp{
+			fsl,pins = <
+				SC_P_MIPI_CSI0_MCLK_OUT_MIPI_CSI0_ACM_MCLK_OUT	0xC0000041
+				SC_P_MIPI_CSI0_GPIO0_01_LSIO_GPIO3_IO07		0xC0000041
+				SC_P_MIPI_CSI0_GPIO0_00_LSIO_GPIO3_IO08		0xC0000041
+			>;
+		};
+
+		pinctrl_parallel_csi: parallelcsigrp {
+			fsl,pins = <
+				SC_P_CSI_D00_CI_PI_D02		0xC0000041
+				SC_P_CSI_D01_CI_PI_D03		0xC0000041
+				SC_P_CSI_D02_CI_PI_D04		0xC0000041
+				SC_P_CSI_D03_CI_PI_D05		0xC0000041
+				SC_P_CSI_D04_CI_PI_D06		0xC0000041
+				SC_P_CSI_D05_CI_PI_D07		0xC0000041
+				SC_P_CSI_D06_CI_PI_D08		0xC0000041
+				SC_P_CSI_D07_CI_PI_D09		0xC0000041
+
+				SC_P_CSI_MCLK_CI_PI_MCLK		0xC0000041
+				SC_P_CSI_PCLK_CI_PI_PCLK		0xC0000041
+				SC_P_CSI_HSYNC_CI_PI_HSYNC		0xC0000041
+				SC_P_CSI_VSYNC_CI_PI_VSYNC		0xC0000041
+				SC_P_CSI_EN_LSIO_GPIO3_IO02		0xC0000041
+				SC_P_CSI_RESET_LSIO_GPIO3_IO03	0xC0000041
+			>;
+		};
+	};
+};
+
+&isi_0 {
+	interface = <6 0 2>;	/* INPUT: 6-PARALLEL CSI */
+	parallel_csi;
+	status = "okay";
+};
+
+&cameradev {
+	parallel_csi;
+	status = "okay";
+};
+
+&parallel_csi {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	port@0 {
+		reg = <0>;
+		parallel_csi_ep: endpoint {
+			remote-endpoint = <&ov5640_ep>;
+		};
+	};
+};
+
+&isi_2 {
+	interface = <2 0 2>;
+	status = "okay";
+};
+
+&isi_1 {
+	status = "disabled";
+};
+
+&isi_3 {
+	status = "disabled";
+};
+
+&isi_4 {
+	status = "disabled";
+};
+
+&isi_5 {
+	status = "disabled";
+};
+
+&isi_6 {
+	status = "disabled";
+};
+
+&isi_7 {
+	status = "disabled";
+};
+
+&i2c0_csi0 {
+	clock-frequency = <100000>;
+	status = "okay";
+
+	ov5640_mipi: ov5640_mipi@3c {
+		compatible = "ovti,ov5640_mipi_v3";
+		reg = <0x3c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mipi_csi0>;
+		clocks = <&clk IMX8QXP_24MHZ>;
+		clock-names = "csi_mclk";
+		csi_id = <0>;
+		pwn-gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
+		rst-gpios = <&gpio3 8 GPIO_ACTIVE_HIGH>;
+		mclk = <24000000>;
+		mclk_source = <0>;
+		mipi_csi;
+		status = "okay";
+		port {
+			ov5640_mipi_ep: endpoint {
+				remote-endpoint = <&mipi_csi0_ep>;
+			};
+		};
+	};
+
+	max9286_mipi@6A {
+		status = "disabled";
+	};
+};
+
+&mipi_csi_0 {
+	/delete-property/virtual-channel;
+	status = "okay";
+
+	port@0 {
+		reg = <0>;
+		mipi_csi0_ep: endpoint {
+			remote-endpoint = <&ov5640_mipi_ep>;
+			data-lanes = <1 2>;
+		};
+	};
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-rpmsg.dts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/dts-v1/;
+
+#include "fsl-imx8dx-mek-rpmsg.dtsi"

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek-rpmsg.dtsi

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx-mek.dtsi"
+#include "fsl-imx8x-mek-rpmsg.dtsi"
+&typec_ptn5110 {
+	/delete-property/ ss-sel-gpios;
+	/delete-property/ reset-gpios;
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek.dts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/dts-v1/;
+
+#include "fsl-imx8dx-mek.dtsi"

arch/arm64/boot/dts/freescale/fsl-imx8dx-mek.dtsi

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "fsl-imx8dx.dtsi"
+#include "fsl-imx8x-mek.dtsi"
+
+/ {
+	model = "Freescale i.MX8DX MEK";
+	compatible = "fsl,imx8dx-mek", "fsl,imx8dx", "fsl,imx8qxp";
+
+	reserved-memory {
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0 0x14000000>;
+			alloc-ranges = <0 0x96000000 0 0x14000000>;
+			linux,cma-default;
+		};
+	};
+};
+
+&typec_ptn5110 {
+	/delete-property/ ss-sel-gpios;
+	/delete-property/ reset-gpios;
+};
+
+&imx8_gpu_ss{
+	reg = <0x0 0x80000000 0x0 0x40000000>, <0x0 0x0 0x0 0x08000000>;
+	reg-names = "phys_baseaddr", "contiguous_mem";
+};

arch/arm64/boot/dts/freescale/fsl-imx8dx.dtsi

@@ -2712,7 +2712,7 @@
 		clocks = <&clk IMX8QXP_GPU0_CORE_CLK>, <&clk IMX8QXP_GPU0_SHADER_CLK>;
 		clock-names = "core", "shader";
 		assigned-clocks = <&clk IMX8QXP_GPU0_CORE_CLK>, <&clk IMX8QXP_GPU0_SHADER_CLK>;
-		assigned-clock-rates = <700000000>, <850000000>;
+		assigned-clock-rates = <372000000>, <372000000>;
 		power-domains = <&pd_gpu0>;
 		status = "disabled";
 	};

arch/arm64/boot/dts/freescale/fsl-imx8qm-device.dtsi

@@ -490,24 +490,24 @@
 						#address-cells = <1>;
 						#size-cells = <0>;
 
-						pd_pcie1: PD_HSIO_PCIE_B {
+						pd_serdes1: PD_HSIO_SERDES_1 {
-							reg = <SC_R_PCIE_B>;
+							reg = <SC_R_SERDES_1>;
 							#power-domain-cells = <0>;
 							power-domains =<&pd_pcie0>;
 							#address-cells = <1>;
 							#size-cells = <0>;
 
-							pd_serdes1: PD_HSIO_SERDES_1 {
+							pd_pcie1: PD_HSIO_PCIE_B {
-								reg = <SC_R_SERDES_1>;
+									reg = <SC_R_PCIE_B>;
-								#power-domain-cells = <0>;
-								power-domains =<&pd_pcie1>;
-								#address-cells = <1>;
-								#size-cells = <0>;
-
-								pd_sata0: PD_HSIO_SATA_0 {
-									reg = <SC_R_SATA_0>;
 									#power-domain-cells = <0>;
 									power-domains =<&pd_serdes1>;
+									#address-cells = <1>;
+									#size-cells = <0>;
+
+								pd_sata0: PD_HSIO_SATA_0 {
+										reg = <SC_R_SATA_0>;
+										#power-domain-cells = <0>;
+										power-domains =<&pd_pcie1>;
 								};
 							};
 						};
@@ -4118,7 +4118,7 @@
 				 <0 0 0 2 &gic 0 74 4>,
 				 <0 0 0 3 &gic 0 75 4>,
 				 <0 0 0 4 &gic 0 76 4>;
-		power-domains = <&pd_pcie1>;
+		power-domains = <&pd_pcie0>;
 		fsl,max-link-speed = <3>;
 		hsio-cfg = <PCIEAX1PCIEBX1SATA>;
 		hsio = <&hsio>;

arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek-rpmsg.dtsi

@@ -13,200 +13,4 @@
  */
 
 #include "fsl-imx8qxp-mek.dtsi"
-
+#include "fsl-imx8x-mek-rpmsg.dtsi"
-/delete-node/ &i2c0_cm40;
-/delete-node/ &i2c1;
-
-&i2c_rpbus_1 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-	status = "okay";
-
-	typec_ptn5110: typec@50 {
-		compatible = "usb,tcpci";
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_typec>;
-		reg = <0x50>;
-		interrupt-parent = <&gpio1>;
-		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
-		ss-sel-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
-		reset-gpios = <&pca9557_a 7 GPIO_ACTIVE_HIGH>;
-		src-pdos = <0x380190c8 0x3803c0c8>;
-		port-type = "drp";
-		sink-disable;
-		default-role = "source";
-		status = "okay";
-	};
-};
-
-&i2c_rpbus_5 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-	status = "okay";
-
-	wm8960: wm8960@1a {
-		compatible = "wlf,wm8960";
-		reg = <0x1a>;
-		clocks = <&clk IMX8QXP_AUD_MCLKOUT0>;
-		clock-names = "mclk";
-		wlf,shared-lrclk;
-		power-domains = <&pd_mclk_out0>;
-		assigned-clocks = <&clk IMX8QXP_AUD_PLL0_DIV>,
-				<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_DIV>,
-				<&clk IMX8QXP_AUD_ACM_AUD_REC_CLK0_DIV>,
-				<&clk IMX8QXP_AUD_MCLKOUT0>;
-		assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
-	};
-
-	pca6416: gpio@20 {
-		compatible = "ti,tca6416";
-		reg = <0x20>;
-		gpio-controller;
-		#gpio-cells = <2>;
-	};
-
-	cs42888: cs42888@48 {
-		compatible = "cirrus,cs42888";
-		reg = <0x48>;
-		clocks = <&clk IMX8QXP_AUD_MCLKOUT0>;
-		clock-names = "mclk";
-		VA-supply = <&reg_audio>;
-		VD-supply = <&reg_audio>;
-		VLS-supply = <&reg_audio>;
-		VLC-supply = <&reg_audio>;
-		reset-gpio = <&pca9557_b 1 1>;
-		power-domains = <&pd_mclk_out0>;
-		assigned-clocks = <&clk IMX8QXP_AUD_PLL0_DIV>,
-				<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_DIV>,
-				<&clk IMX8QXP_AUD_ACM_AUD_REC_CLK0_DIV>,
-				<&clk IMX8QXP_AUD_MCLKOUT0>;
-		assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
-		fsl,txs-rxm;
-		status = "okay";
-	};
-
-	ov5640: ov5640@3c {
-		compatible = "ovti,ov5640_v3";
-		reg = <0x3c>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_parallel_csi>;
-		clocks = <&clk IMX8QXP_PARALLEL_CSI_MISC0_CLK>;
-		clock-names = "csi_mclk";
-		pwn-gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
-		rst-gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
-		csi_id = <0>;
-		mclk = <24000000>;
-		mclk_source = <0>;
-		status = "okay";
-		port {
-			ov5640_ep: endpoint {
-				remote-endpoint = <&parallel_csi_ep>;
-			};
-		};
-	};
-
-};
-
-&i2c_rpbus_12 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-	status = "okay";
-
-	max7322: gpio@68 {
-		compatible = "maxim,max7322";
-		reg = <0x68>;
-		gpio-controller;
-		#gpio-cells = <2>;
-	};
-};
-
-&i2c_rpbus_14 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-	status = "okay";
-
-	fxos8700@1e {
-		compatible = "fsl,fxos8700";
-		reg = <0x1e>;
-		interrupt-open-drain;
-	};
-
-	fxas2100x@21 {
-		compatible = "fsl,fxas2100x";
-		reg = <0x21>;
-		interrupt-open-drain;
-	};
-
-	mpl3115@60 {
-		compatible = "fsl,mpl3115";
-		reg = <0x60>;
-		interrupt-open-drain;
-	};
-};
-
-&i2c_rpbus_15 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-	status = "okay";
-
-	pca9557_a: gpio@1a {
-		compatible = "nxp,pca9557";
-		reg = <0x1a>;
-		gpio-controller;
-		#gpio-cells = <2>;
-	};
-
-	pca9557_b: gpio@1d {
-		compatible = "nxp,pca9557";
-		reg = <0x1d>;
-		gpio-controller;
-		#gpio-cells = <2>;
-	};
-
-	isl29023@44 {
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_isl29023>;
-		compatible = "fsl,isl29023";
-		reg = <0x44>;
-		rext = <499>;
-		interrupt-parent = <&gpio1>;
-		interrupts = <2 2>;
-	};
-};
-
-&rpmsg{
-	/*
-	 * 64K for one rpmsg instance:
-	 */
-	vdev-nums = <2>;
-	reg = <0x0 0x90000000 0x0 0x20000>;
-	status = "okay";
-};
-
-&reg_can_en {
-	status = "disabled";
-};
-
-&reg_can_stby {
-	status = "disabled";
-};
-
-&intmux_cm40 {
-	status = "disabled";
-};
-
-&flexcan1 {
-	status = "disabled";
-};
-
-&flexcan2 {
-	status = "disabled";
-};
-
-&flexspi0 {
-	status = "disabled";
-};
-
-&lpuart3 {
-	status = "disabled";
-};

arch/arm64/boot/dts/freescale/fsl-imx8x-mek-rpmsg.dtsi

@@ -0,0 +1,210 @@
+/*
+ * Copyright 2020 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/delete-node/ &i2c0_cm40;
+/delete-node/ &i2c1;
+
+&i2c_rpbus_1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	typec_ptn5110: typec@50 {
+		compatible = "usb,tcpci";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_typec>;
+		reg = <0x50>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+		ss-sel-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&pca9557_a 7 GPIO_ACTIVE_HIGH>;
+		src-pdos = <0x380190c8 0x3803c0c8>;
+		port-type = "drp";
+		sink-disable;
+		default-role = "source";
+		status = "okay";
+	};
+};
+
+&i2c_rpbus_5 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	wm8960: wm8960@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		clocks = <&clk IMX8QXP_AUD_MCLKOUT0>;
+		clock-names = "mclk";
+		wlf,shared-lrclk;
+		power-domains = <&pd_mclk_out0>;
+		assigned-clocks = <&clk IMX8QXP_AUD_PLL0_DIV>,
+				<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_DIV>,
+				<&clk IMX8QXP_AUD_ACM_AUD_REC_CLK0_DIV>,
+				<&clk IMX8QXP_AUD_MCLKOUT0>;
+		assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
+	};
+
+	pca6416: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	cs42888: cs42888@48 {
+		compatible = "cirrus,cs42888";
+		reg = <0x48>;
+		clocks = <&clk IMX8QXP_AUD_MCLKOUT0>;
+		clock-names = "mclk";
+		VA-supply = <&reg_audio>;
+		VD-supply = <&reg_audio>;
+		VLS-supply = <&reg_audio>;
+		VLC-supply = <&reg_audio>;
+		reset-gpio = <&pca9557_b 1 1>;
+		power-domains = <&pd_mclk_out0>;
+		assigned-clocks = <&clk IMX8QXP_AUD_PLL0_DIV>,
+				<&clk IMX8QXP_AUD_ACM_AUD_PLL_CLK0_DIV>,
+				<&clk IMX8QXP_AUD_ACM_AUD_REC_CLK0_DIV>,
+				<&clk IMX8QXP_AUD_MCLKOUT0>;
+		assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
+		fsl,txs-rxm;
+		status = "okay";
+	};
+
+	ov5640: ov5640@3c {
+		compatible = "ovti,ov5640_v3";
+		reg = <0x3c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_parallel_csi>;
+		clocks = <&clk IMX8QXP_PARALLEL_CSI_MISC0_CLK>;
+		clock-names = "csi_mclk";
+		pwn-gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
+		rst-gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
+		csi_id = <0>;
+		mclk = <24000000>;
+		mclk_source = <0>;
+		status = "okay";
+		port {
+			ov5640_ep: endpoint {
+				remote-endpoint = <&parallel_csi_ep>;
+			};
+		};
+	};
+
+};
+
+&i2c_rpbus_12 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	max7322: gpio@68 {
+		compatible = "maxim,max7322";
+		reg = <0x68>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&i2c_rpbus_14 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	fxos8700@1e {
+		compatible = "fsl,fxos8700";
+		reg = <0x1e>;
+		interrupt-open-drain;
+	};
+
+	fxas2100x@21 {
+		compatible = "fsl,fxas2100x";
+		reg = <0x21>;
+		interrupt-open-drain;
+	};
+
+	mpl3115@60 {
+		compatible = "fsl,mpl3115";
+		reg = <0x60>;
+		interrupt-open-drain;
+	};
+};
+
+&i2c_rpbus_15 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	pca9557_a: gpio@1a {
+		compatible = "nxp,pca9557";
+		reg = <0x1a>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	pca9557_b: gpio@1d {
+		compatible = "nxp,pca9557";
+		reg = <0x1d>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	isl29023@44 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_isl29023>;
+		compatible = "fsl,isl29023";
+		reg = <0x44>;
+		rext = <499>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <2 2>;
+	};
+};
+
+&rpmsg{
+	/*
+	 * 64K for one rpmsg instance:
+	 */
+	vdev-nums = <2>;
+	reg = <0x0 0x90000000 0x0 0x20000>;
+	status = "okay";
+};
+
+&reg_can_en {
+	status = "disabled";
+};
+
+&reg_can_stby {
+	status = "disabled";
+};
+
+&intmux_cm40 {
+	status = "disabled";
+};
+
+&flexcan1 {
+	status = "disabled";
+};
+
+&flexcan2 {
+	status = "disabled";
+};
+
+&flexspi0 {
+	status = "disabled";
+};
+
+&lpuart3 {
+	status = "disabled";
+};

arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi

@@ -458,6 +458,8 @@
 	l11 {
 		regulator-min-microvolt = <1750000>;
 		regulator-max-microvolt = <3337000>;
+		regulator-allow-set-load;
+		regulator-system-load = <200000>;
 	};
 
 	l12 {

arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi

@@ -262,6 +262,8 @@
 				l21 {
 					regulator-min-microvolt = <2950000>;
 					regulator-max-microvolt = <2950000>;
+					regulator-allow-set-load;
+					regulator-system-load = <200000>;
 				};
 				l22 {
 					regulator-min-microvolt = <3300000>;

arch/arm64/include/asm/kvm_mmu.h

@@ -296,6 +296,11 @@ static inline bool __kvm_cpu_uses_extended_idmap(void)
 	return __cpu_uses_extended_idmap();
 }
 
+/*
+ * Can't use pgd_populate here, because the extended idmap adds an extra level
+ * above CONFIG_PGTABLE_LEVELS (which is 2 or 3 if we're using the extended
+ * idmap), and pgd_populate is only available if CONFIG_PGTABLE_LEVELS = 4.
+ */
 static inline void __kvm_extend_hypmap(pgd_t *boot_hyp_pgd,
 				       pgd_t *hyp_pgd,
 				       pgd_t *merged_hyp_pgd,

arch/arm64/include/asm/pgtable.h

@@ -343,6 +343,7 @@ static inline int pmd_protnone(pmd_t pmd)
 
 #define pud_write(pud)		pte_write(pud_pte(pud))
 #define pud_pfn(pud)		(((pud_val(pud) & PUD_MASK) & PHYS_MASK) >> PAGE_SHIFT)
+#define pfn_pud(pfn,prot)	(__pud(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
 
 #define set_pmd_at(mm, addr, pmdp, pmd)	set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd))
 

arch/arm64/kernel/cpufeature.c

@@ -799,11 +799,6 @@ static bool has_no_hw_prefetch(const struct arm64_cpu_capabilities *entry, int _
 		MIDR_CPU_VAR_REV(1, MIDR_REVISION_MASK));
 }
 
-static bool runs_at_el2(const struct arm64_cpu_capabilities *entry, int __unused)
-{
-	return is_kernel_in_hyp_mode();
-}
-
 static bool hyp_offset_low(const struct arm64_cpu_capabilities *entry,
 			   int __unused)
 {
@@ -841,6 +836,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
 		MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
 		MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
 		MIDR_ALL_VERSIONS(MIDR_CORTEX_A73),
+		{ /* sentinel */ }
 	};
 	char const *str = "kpti command line option";
 	bool meltdown_safe;
@@ -937,6 +933,12 @@ static int __init parse_kpti(char *str)
 }
 early_param("kpti", parse_kpti);
 
+#ifdef CONFIG_ARM64_VHE
+static bool runs_at_el2(const struct arm64_cpu_capabilities *entry, int __unused)
+{
+	return is_kernel_in_hyp_mode();
+}
+
 static void cpu_copy_el2regs(const struct arm64_cpu_capabilities *__unused)
 {
 	/*
@@ -950,6 +952,7 @@ static void cpu_copy_el2regs(const struct arm64_cpu_capabilities *__unused)
 	if (!alternatives_applied)
 		write_sysreg(read_sysreg(tpidr_el1), tpidr_el2);
 }
+#endif
 
 #ifdef CONFIG_ARM64_SSBD
 static int ssbs_emulation_handler(struct pt_regs *regs, u32 instr)
@@ -1275,9 +1278,9 @@ static void __update_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
 
 static void update_cpu_capabilities(u16 scope_mask)
 {
-	__update_cpu_capabilities(arm64_features, scope_mask, "detected:");
 	__update_cpu_capabilities(arm64_errata, scope_mask,
 				  "enabling workaround for");
+	__update_cpu_capabilities(arm64_features, scope_mask, "detected:");
 }
 
 static int __enable_cpu_capability(void *arg)
@@ -1332,8 +1335,8 @@ __enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
 
 static void __init enable_cpu_capabilities(u16 scope_mask)
 {
-	__enable_cpu_capabilities(arm64_features, scope_mask);
 	__enable_cpu_capabilities(arm64_errata, scope_mask);
+	__enable_cpu_capabilities(arm64_features, scope_mask);
 }
 
 /*

arch/arm64/kernel/hibernate.c

@@ -246,8 +246,7 @@ static int create_safe_exec_page(void *src_start, size_t length,
 	}
 
 	pte = pte_offset_kernel(pmd, dst_addr);
-	set_pte(pte, __pte(virt_to_phys((void *)dst) |
+	set_pte(pte, pfn_pte(virt_to_pfn(dst), PAGE_KERNEL_EXEC));
-			 pgprot_val(PAGE_KERNEL_EXEC)));
 
 	/*
 	 * Load our new page tables. A strict BBM approach requires that we

arch/arm64/mm/mmu.c

@@ -605,8 +605,8 @@ static void __init map_kernel(pgd_t *pgd)
 		 * entry instead.
 		 */
 		BUG_ON(!IS_ENABLED(CONFIG_ARM64_16K_PAGES));
-		set_pud(pud_set_fixmap_offset(pgd, FIXADDR_START),
+		pud_populate(&init_mm, pud_set_fixmap_offset(pgd, FIXADDR_START),
-			__pud(__pa_symbol(bm_pmd) | PUD_TYPE_TABLE));
+			     lm_alias(bm_pmd));
 		pud_clear_fixmap();
 	} else {
 		BUG();
@@ -721,7 +721,7 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
 			if (!p)
 				return -ENOMEM;
 
-			set_pmd(pmd, __pmd(__pa(p) | PROT_SECT_NORMAL));
+			pmd_set_huge(pmd, __pa(p), __pgprot(PROT_SECT_NORMAL));
 		} else
 			vmemmap_verify((pte_t *)pmd, node, addr, next);
 	} while (addr = next, addr != end);
@@ -913,17 +913,35 @@ int __init arch_ioremap_pmd_supported(void)
 	return !IS_ENABLED(CONFIG_ARM64_PTDUMP_DEBUGFS);
 }
 
-int pud_set_huge(pud_t *pud, phys_addr_t phys, pgprot_t prot)
+int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
 {
+	pgprot_t sect_prot = __pgprot(PUD_TYPE_SECT |
+					pgprot_val(mk_sect_prot(prot)));
+	pud_t new_pud = pfn_pud(__phys_to_pfn(phys), sect_prot);
+
+	/* Only allow permission changes for now */
+	if (!pgattr_change_is_safe(READ_ONCE(pud_val(*pudp)),
+				   pud_val(new_pud)))
+		return 0;
+
 	BUG_ON(phys & ~PUD_MASK);
-	set_pud(pud, __pud(phys | PUD_TYPE_SECT | pgprot_val(mk_sect_prot(prot))));
+	set_pud(pudp, new_pud);
 	return 1;
 }
 
-int pmd_set_huge(pmd_t *pmd, phys_addr_t phys, pgprot_t prot)
+int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
 {
+	pgprot_t sect_prot = __pgprot(PMD_TYPE_SECT |
+					pgprot_val(mk_sect_prot(prot)));
+	pmd_t new_pmd = pfn_pmd(__phys_to_pfn(phys), sect_prot);
+
+	/* Only allow permission changes for now */
+	if (!pgattr_change_is_safe(READ_ONCE(pmd_val(*pmdp)),
+				   pmd_val(new_pmd)))
+		return 0;
+
 	BUG_ON(phys & ~PMD_MASK);
-	set_pmd(pmd, __pmd(phys | PMD_TYPE_SECT | pgprot_val(mk_sect_prot(prot))));
+	set_pmd(pmdp, new_pmd);
 	return 1;
 }
 

arch/hexagon/include/asm/atomic.h

@@ -105,7 +105,7 @@ static inline void atomic_##op(int i, atomic_t *v)			\
 		"1:	%0 = memw_locked(%1);\n"			\
 		"	%0 = "#op "(%0,%2);\n"				\
 		"	memw_locked(%1,P3)=%0;\n"			\
-		"	if !P3 jump 1b;\n"				\
+		"	if (!P3) jump 1b;\n"				\
 		: "=&r" (output)					\
 		: "r" (&v->counter), "r" (i)				\
 		: "memory", "p3"					\
@@ -121,7 +121,7 @@ static inline int atomic_##op##_return(int i, atomic_t *v)		\
 		"1:	%0 = memw_locked(%1);\n"			\
 		"	%0 = "#op "(%0,%2);\n"				\
 		"	memw_locked(%1,P3)=%0;\n"			\
-		"	if !P3 jump 1b;\n"				\
+		"	if (!P3) jump 1b;\n"				\
 		: "=&r" (output)					\
 		: "r" (&v->counter), "r" (i)				\
 		: "memory", "p3"					\
@@ -138,7 +138,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v)			\
 		"1:	%0 = memw_locked(%2);\n"			\
 		"	%1 = "#op "(%0,%3);\n"				\
 		"	memw_locked(%2,P3)=%1;\n"			\
-		"	if !P3 jump 1b;\n"				\
+		"	if (!P3) jump 1b;\n"				\
 		: "=&r" (output), "=&r" (val)				\
 		: "r" (&v->counter), "r" (i)				\
 		: "memory", "p3"					\
@@ -187,7 +187,7 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
 		"	}"
 		"	memw_locked(%2, p3) = %1;"
 		"	{"
-		"		if !p3 jump 1b;"
+		"		if (!p3) jump 1b;"
 		"	}"
 		"2:"
 		: "=&r" (__oldval), "=&r" (tmp)

arch/hexagon/include/asm/bitops.h

@@ -52,7 +52,7 @@ static inline int test_and_clear_bit(int nr, volatile void *addr)
 	"1:	R12 = memw_locked(R10);\n"
 	"	{ P0 = tstbit(R12,R11); R12 = clrbit(R12,R11); }\n"
 	"	memw_locked(R10,P1) = R12;\n"
-	"	{if !P1 jump 1b; %0 = mux(P0,#1,#0);}\n"
+	"	{if (!P1) jump 1b; %0 = mux(P0,#1,#0);}\n"
 	: "=&r" (oldval)
 	: "r" (addr), "r" (nr)
 	: "r10", "r11", "r12", "p0", "p1", "memory"
@@ -76,7 +76,7 @@ static inline int test_and_set_bit(int nr, volatile void *addr)
 	"1:	R12 = memw_locked(R10);\n"
 	"	{ P0 = tstbit(R12,R11); R12 = setbit(R12,R11); }\n"
 	"	memw_locked(R10,P1) = R12;\n"
-	"	{if !P1 jump 1b; %0 = mux(P0,#1,#0);}\n"
+	"	{if (!P1) jump 1b; %0 = mux(P0,#1,#0);}\n"
 	: "=&r" (oldval)
 	: "r" (addr), "r" (nr)
 	: "r10", "r11", "r12", "p0", "p1", "memory"
@@ -102,7 +102,7 @@ static inline int test_and_change_bit(int nr, volatile void *addr)
 	"1:	R12 = memw_locked(R10);\n"
 	"	{ P0 = tstbit(R12,R11); R12 = togglebit(R12,R11); }\n"
 	"	memw_locked(R10,P1) = R12;\n"
-	"	{if !P1 jump 1b; %0 = mux(P0,#1,#0);}\n"
+	"	{if (!P1) jump 1b; %0 = mux(P0,#1,#0);}\n"
 	: "=&r" (oldval)
 	: "r" (addr), "r" (nr)
 	: "r10", "r11", "r12", "p0", "p1", "memory"
@@ -237,7 +237,7 @@ static inline int ffs(int x)
 	int r;
 
 	asm("{ P0 = cmp.eq(%1,#0); %0 = ct0(%1);}\n"
-		"{ if P0 %0 = #0; if !P0 %0 = add(%0,#1);}\n"
+		"{ if (P0) %0 = #0; if (!P0) %0 = add(%0,#1);}\n"
 		: "=&r" (r)
 		: "r" (x)
 		: "p0");

arch/hexagon/include/asm/cmpxchg.h

@@ -44,7 +44,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
 	__asm__ __volatile__ (
 	"1:	%0 = memw_locked(%1);\n"    /*  load into retval */
 	"	memw_locked(%1,P0) = %2;\n" /*  store into memory */
-	"	if !P0 jump 1b;\n"
+	"	if (!P0) jump 1b;\n"
 	: "=&r" (retval)
 	: "r" (ptr), "r" (x)
 	: "memory", "p0"

arch/hexagon/include/asm/futex.h

@@ -16,7 +16,7 @@
 	    /* For example: %1 = %4 */ \
 	    insn \
 	"2: memw_locked(%3,p2) = %1;\n" \
-	"   if !p2 jump 1b;\n" \
+	"   if (!p2) jump 1b;\n" \
 	"   %1 = #0;\n" \
 	"3:\n" \
 	".section .fixup,\"ax\"\n" \
@@ -84,10 +84,10 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval,
 	"1: %1 = memw_locked(%3)\n"
 	"   {\n"
 	"      p2 = cmp.eq(%1,%4)\n"
-	"      if !p2.new jump:NT 3f\n"
+	"      if (!p2.new) jump:NT 3f\n"
 	"   }\n"
 	"2: memw_locked(%3,p2) = %5\n"
-	"   if !p2 jump 1b\n"
+	"   if (!p2) jump 1b\n"
 	"3:\n"
 	".section .fixup,\"ax\"\n"
 	"4: %0 = #%6\n"

arch/hexagon/include/asm/spinlock.h

@@ -44,9 +44,9 @@ static inline void arch_read_lock(arch_rwlock_t *lock)
 	__asm__ __volatile__(
 		"1:	R6 = memw_locked(%0);\n"
 		"	{ P3 = cmp.ge(R6,#0); R6 = add(R6,#1);}\n"
-		"	{ if !P3 jump 1b; }\n"
+		"	{ if (!P3) jump 1b; }\n"
 		"	memw_locked(%0,P3) = R6;\n"
-		"	{ if !P3 jump 1b; }\n"
+		"	{ if (!P3) jump 1b; }\n"
 		:
 		: "r" (&lock->lock)
 		: "memory", "r6", "p3"
@@ -60,7 +60,7 @@ static inline void arch_read_unlock(arch_rwlock_t *lock)
 		"1:	R6 = memw_locked(%0);\n"
 		"	R6 = add(R6,#-1);\n"
 		"	memw_locked(%0,P3) = R6\n"
-		"	if !P3 jump 1b;\n"
+		"	if (!P3) jump 1b;\n"
 		:
 		: "r" (&lock->lock)
 		: "memory", "r6", "p3"
@@ -75,7 +75,7 @@ static inline int arch_read_trylock(arch_rwlock_t *lock)
 	__asm__ __volatile__(
 		"	R6 = memw_locked(%1);\n"
 		"	{ %0 = #0; P3 = cmp.ge(R6,#0); R6 = add(R6,#1);}\n"
-		"	{ if !P3 jump 1f; }\n"
+		"	{ if (!P3) jump 1f; }\n"
 		"	memw_locked(%1,P3) = R6;\n"
 		"	{ %0 = P3 }\n"
 		"1:\n"
@@ -102,9 +102,9 @@ static inline void arch_write_lock(arch_rwlock_t *lock)
 	__asm__ __volatile__(
 		"1:	R6 = memw_locked(%0)\n"
 		"	{ P3 = cmp.eq(R6,#0);  R6 = #-1;}\n"
-		"	{ if !P3 jump 1b; }\n"
+		"	{ if (!P3) jump 1b; }\n"
 		"	memw_locked(%0,P3) = R6;\n"
-		"	{ if !P3 jump 1b; }\n"
+		"	{ if (!P3) jump 1b; }\n"
 		:
 		: "r" (&lock->lock)
 		: "memory", "r6", "p3"
@@ -118,7 +118,7 @@ static inline int arch_write_trylock(arch_rwlock_t *lock)
 	__asm__ __volatile__(
 		"	R6 = memw_locked(%1)\n"
 		"	{ %0 = #0; P3 = cmp.eq(R6,#0);  R6 = #-1;}\n"
-		"	{ if !P3 jump 1f; }\n"
+		"	{ if (!P3) jump 1f; }\n"
 		"	memw_locked(%1,P3) = R6;\n"
 		"	%0 = P3;\n"
 		"1:\n"
@@ -141,9 +141,9 @@ static inline void arch_spin_lock(arch_spinlock_t *lock)
 	__asm__ __volatile__(
 		"1:	R6 = memw_locked(%0);\n"
 		"	P3 = cmp.eq(R6,#0);\n"
-		"	{ if !P3 jump 1b; R6 = #1; }\n"
+		"	{ if (!P3) jump 1b; R6 = #1; }\n"
 		"	memw_locked(%0,P3) = R6;\n"
-		"	{ if !P3 jump 1b; }\n"
+		"	{ if (!P3) jump 1b; }\n"
 		:
 		: "r" (&lock->lock)
 		: "memory", "r6", "p3"
@@ -163,7 +163,7 @@ static inline unsigned int arch_spin_trylock(arch_spinlock_t *lock)
 	__asm__ __volatile__(
 		"	R6 = memw_locked(%1);\n"
 		"	P3 = cmp.eq(R6,#0);\n"
-		"	{ if !P3 jump 1f; R6 = #1; %0 = #0; }\n"
+		"	{ if (!P3) jump 1f; R6 = #1; %0 = #0; }\n"
 		"	memw_locked(%1,P3) = R6;\n"
 		"	%0 = P3;\n"
 		"1:\n"

arch/hexagon/kernel/stacktrace.c

@@ -24,8 +24,6 @@
 #include <linux/thread_info.h>
 #include <linux/module.h>
 
-register unsigned long current_frame_pointer asm("r30");
-
 struct stackframe {
 	unsigned long fp;
 	unsigned long rets;
@@ -43,7 +41,7 @@ void save_stack_trace(struct stack_trace *trace)
 
 	low = (unsigned long)task_stack_page(current);
 	high = low + THREAD_SIZE;
-	fp = current_frame_pointer;
+	fp = (unsigned long)__builtin_frame_address(0);
 
 	while (fp >= low && fp <= (high - sizeof(*frame))) {
 		frame = (struct stackframe *)fp;

arch/hexagon/kernel/vm_entry.S

@@ -382,7 +382,7 @@ ret_from_fork:
 		R26.L = #LO(do_work_pending);
 		R0 = #VM_INT_DISABLE;
 	}
-	if P0 jump check_work_pending
+	if (P0) jump check_work_pending
 	{
 		R0 = R25;
 		callr R24

arch/m68k/amiga/cia.c

@@ -88,10 +88,19 @@ static irqreturn_t cia_handler(int irq, void *dev_id)
 	struct ciabase *base = dev_id;
 	int mach_irq;
 	unsigned char ints;
+	unsigned long flags;
 
+	/* Interrupts get disabled while the timer irq flag is cleared and
+	 * the timer interrupt serviced.
+	 */
 	mach_irq = base->cia_irq;
+	local_irq_save(flags);
 	ints = cia_set_irq(base, CIA_ICR_ALL);
 	amiga_custom.intreq = base->int_mask;
+	if (ints & 1)
+		generic_handle_irq(mach_irq);
+	local_irq_restore(flags);
+	mach_irq++, ints >>= 1;
 	for (; ints; mach_irq++, ints >>= 1) {
 		if (ints & 1)
 			generic_handle_irq(mach_irq);

arch/m68k/atari/ataints.c

@@ -142,7 +142,7 @@ struct mfptimerbase {
 	.name		= "MFP Timer D"
 };
 
-static irqreturn_t mfptimer_handler(int irq, void *dev_id)
+static irqreturn_t mfp_timer_d_handler(int irq, void *dev_id)
 {
 	struct mfptimerbase *base = dev_id;
 	int mach_irq;
@@ -344,7 +344,7 @@ void __init atari_init_IRQ(void)
 	st_mfp.tim_ct_cd = (st_mfp.tim_ct_cd & 0xf0) | 0x6;
 
 	/* request timer D dispatch handler */
-	if (request_irq(IRQ_MFP_TIMD, mfptimer_handler, IRQF_SHARED,
+	if (request_irq(IRQ_MFP_TIMD, mfp_timer_d_handler, IRQF_SHARED,
 			stmfp_base.name, &stmfp_base))
 		pr_err("Couldn't register %s interrupt\n", stmfp_base.name);
 

arch/m68k/atari/time.c

@@ -24,6 +24,18 @@
 DEFINE_SPINLOCK(rtc_lock);
 EXPORT_SYMBOL_GPL(rtc_lock);
 
+static irqreturn_t mfp_timer_c_handler(int irq, void *dev_id)
+{
+	irq_handler_t timer_routine = dev_id;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	timer_routine(0, NULL);
+	local_irq_restore(flags);
+
+	return IRQ_HANDLED;
+}
+
 void __init
 atari_sched_init(irq_handler_t timer_routine)
 {
@@ -32,7 +44,8 @@ atari_sched_init(irq_handler_t timer_routine)
     /* start timer C, div = 1:100 */
     st_mfp.tim_ct_cd = (st_mfp.tim_ct_cd & 15) | 0x60;
     /* install interrupt service routine for MFP Timer C */
-    if (request_irq(IRQ_MFP_TIMC, timer_routine, 0, "timer", timer_routine))
+    if (request_irq(IRQ_MFP_TIMC, mfp_timer_c_handler, 0, "timer",
+                    timer_routine))
 	pr_err("Couldn't register timer interrupt\n");
 }
 

arch/m68k/bvme6000/config.c

@@ -45,11 +45,6 @@ extern int bvme6000_set_clock_mmss (unsigned long);
 extern void bvme6000_reset (void);
 void bvme6000_set_vectors (void);
 
-/* Save tick handler routine pointer, will point to xtime_update() in
- * kernel/timer/timekeeping.c, called via bvme6000_process_int() */
-
-static irq_handler_t tick_handler;
-
 
 int __init bvme6000_parse_bootinfo(const struct bi_record *bi)
 {
@@ -159,12 +154,18 @@ irqreturn_t bvme6000_abort_int (int irq, void *dev_id)
 
 static irqreturn_t bvme6000_timer_int (int irq, void *dev_id)
 {
+    irq_handler_t timer_routine = dev_id;
+    unsigned long flags;
     volatile RtcPtr_t rtc = (RtcPtr_t)BVME_RTC_BASE;
-    unsigned char msr = rtc->msr & 0xc0;
+    unsigned char msr;
 
+    local_irq_save(flags);
+    msr = rtc->msr & 0xc0;
     rtc->msr = msr | 0x20;		/* Ack the interrupt */
+    timer_routine(0, NULL);
+    local_irq_restore(flags);
 
-    return tick_handler(irq, dev_id);
+    return IRQ_HANDLED;
 }
 
 /*
@@ -183,9 +184,8 @@ void bvme6000_sched_init (irq_handler_t timer_routine)
 
     rtc->msr = 0;	/* Ensure timer registers accessible */
 
-    tick_handler = timer_routine;
+    if (request_irq(BVME_IRQ_RTC, bvme6000_timer_int, 0, "timer",
-    if (request_irq(BVME_IRQ_RTC, bvme6000_timer_int, 0,
+                    timer_routine))
-				"timer", bvme6000_timer_int))
 	panic ("Couldn't register timer int");
 
     rtc->t1cr_omr = 0x04;	/* Mode 2, ext clk */

arch/m68k/hp300/time.c

@@ -38,13 +38,19 @@
 
 static irqreturn_t hp300_tick(int irq, void *dev_id)
 {
+	irq_handler_t timer_routine = dev_id;
+	unsigned long flags;
 	unsigned long tmp;
-	irq_handler_t vector = dev_id;
+
+	local_irq_save(flags);
 	in_8(CLOCKBASE + CLKSR);
 	asm volatile ("movpw %1@(5),%0" : "=d" (tmp) : "a" (CLOCKBASE));
+	timer_routine(0, NULL);
+	local_irq_restore(flags);
+
 	/* Turn off the network and SCSI leds */
 	blinken_leds(0, 0xe0);
-	return vector(irq, NULL);
+	return IRQ_HANDLED;
 }
 
 u32 hp300_gettimeoffset(void)

arch/m68k/mac/via.c

@@ -54,16 +54,6 @@ static __u8 rbv_clear;
 
 static int gIER,gIFR,gBufA,gBufB;
 
-/*
- * Timer defs.
- */
-
-#define TICK_SIZE		10000
-#define MAC_CLOCK_TICK		(783300/HZ)		/* ticks per HZ */
-#define MAC_CLOCK_LOW		(MAC_CLOCK_TICK&0xFF)
-#define MAC_CLOCK_HIGH		(MAC_CLOCK_TICK>>8)
-
-
 /*
  * On Macs with a genuine VIA chip there is no way to mask an individual slot
  * interrupt. This limitation also seems to apply to VIA clone logic cores in
@@ -278,22 +268,6 @@ void __init via_init(void)
 	}
 }
 
-/*
- * Start the 100 Hz clock
- */
-
-void __init via_init_clock(irq_handler_t func)
-{
-	via1[vACR] |= 0x40;
-	via1[vT1LL] = MAC_CLOCK_LOW;
-	via1[vT1LH] = MAC_CLOCK_HIGH;
-	via1[vT1CL] = MAC_CLOCK_LOW;
-	via1[vT1CH] = MAC_CLOCK_HIGH;
-
-	if (request_irq(IRQ_MAC_TIMER_1, func, 0, "timer", func))
-		pr_err("Couldn't register %s interrupt\n", "timer");
-}
-
 /*
  * Debugging dump, used in various places to see what's going on.
  */
@@ -321,29 +295,6 @@ void via_debug_dump(void)
 	}
 }
 
-/*
- * This is always executed with interrupts disabled.
- *
- * TBI: get time offset between scheduling timer ticks
- */
-
-u32 mac_gettimeoffset(void)
-{
-	unsigned long ticks, offset = 0;
-
-	/* read VIA1 timer 2 current value */
-	ticks = via1[vT1CL] | (via1[vT1CH] << 8);
-	/* The probability of underflow is less than 2% */
-	if (ticks > MAC_CLOCK_TICK - MAC_CLOCK_TICK / 50)
-		/* Check for pending timer interrupt in VIA1 IFR */
-		if (via1[vIFR] & 0x40) offset = TICK_SIZE;
-
-	ticks = MAC_CLOCK_TICK - ticks;
-	ticks = ticks * 10000L / MAC_CLOCK_TICK;
-
-	return (ticks + offset) * 1000;
-}
-
 /*
  * Flush the L2 cache on Macs that have it by flipping
  * the system into 24-bit mode for an instant.
@@ -447,6 +398,8 @@ void via_nubus_irq_shutdown(int irq)
  * via6522.c :-), disable/pending masks added.
  */
 
+#define VIA_TIMER_1_INT BIT(6)
+
 void via1_irq(struct irq_desc *desc)
 {
 	int irq_num;
@@ -456,6 +409,21 @@ void via1_irq(struct irq_desc *desc)
 	if (!events)
 		return;
 
+	irq_num = IRQ_MAC_TIMER_1;
+	irq_bit = VIA_TIMER_1_INT;
+	if (events & irq_bit) {
+		unsigned long flags;
+
+		local_irq_save(flags);
+		via1[vIFR] = irq_bit;
+		generic_handle_irq(irq_num);
+		local_irq_restore(flags);
+
+		events &= ~irq_bit;
+		if (!events)
+			return;
+	}
+
 	irq_num = VIA1_SOURCE_BASE;
 	irq_bit = 1;
 	do {
@@ -612,3 +580,56 @@ int via2_scsi_drq_pending(void)
 	return via2[gIFR] & (1 << IRQ_IDX(IRQ_MAC_SCSIDRQ));
 }
 EXPORT_SYMBOL(via2_scsi_drq_pending);
+
+/* timer and clock source */
+
+#define VIA_CLOCK_FREQ     783360                /* VIA "phase 2" clock in Hz */
+#define VIA_TIMER_INTERVAL (1000000 / HZ)        /* microseconds per jiffy */
+#define VIA_TIMER_CYCLES   (VIA_CLOCK_FREQ / HZ) /* clock cycles per jiffy */
+
+#define VIA_TC             (VIA_TIMER_CYCLES - 2) /* including 0 and -1 */
+#define VIA_TC_LOW         (VIA_TC & 0xFF)
+#define VIA_TC_HIGH        (VIA_TC >> 8)
+
+void __init via_init_clock(irq_handler_t timer_routine)
+{
+	if (request_irq(IRQ_MAC_TIMER_1, timer_routine, 0, "timer", NULL)) {
+		pr_err("Couldn't register %s interrupt\n", "timer");
+		return;
+	}
+
+	via1[vT1LL] = VIA_TC_LOW;
+	via1[vT1LH] = VIA_TC_HIGH;
+	via1[vT1CL] = VIA_TC_LOW;
+	via1[vT1CH] = VIA_TC_HIGH;
+	via1[vACR] |= 0x40;
+}
+
+u32 mac_gettimeoffset(void)
+{
+	unsigned long flags;
+	u8 count_high;
+	u16 count, offset = 0;
+
+	/*
+	 * Timer counter wrap-around is detected with the timer interrupt flag
+	 * but reading the counter low byte (vT1CL) would reset the flag.
+	 * Also, accessing both counter registers is essentially a data race.
+	 * These problems are avoided by ignoring the low byte. Clock accuracy
+	 * is 256 times worse (error can reach 0.327 ms) but CPU overhead is
+	 * reduced by avoiding slow VIA register accesses.
+	 */
+
+	local_irq_save(flags);
+	count_high = via1[vT1CH];
+	if (count_high == 0xFF)
+		count_high = 0;
+	if (count_high > 0 && (via1[vIFR] & VIA_TIMER_1_INT))
+		offset = VIA_TIMER_CYCLES;
+	local_irq_restore(flags);
+
+	count = count_high << 8;
+	count = VIA_TIMER_CYCLES - count + offset;
+
+	return ((count * VIA_TIMER_INTERVAL) / VIA_TIMER_CYCLES) * 1000;
+}

arch/m68k/mvme147/config.c

@@ -46,11 +46,6 @@ extern void mvme147_reset (void);
 
 static int bcd2int (unsigned char b);
 
-/* Save tick handler routine pointer, will point to xtime_update() in
- * kernel/time/timekeeping.c, called via mvme147_process_int() */
-
-irq_handler_t tick_handler;
-
 
 int __init mvme147_parse_bootinfo(const struct bi_record *bi)
 {
@@ -106,16 +101,23 @@ void __init config_mvme147(void)
 
 static irqreturn_t mvme147_timer_int (int irq, void *dev_id)
 {
+	irq_handler_t timer_routine = dev_id;
+	unsigned long flags;
+
+	local_irq_save(flags);
 	m147_pcc->t1_int_cntrl = PCC_TIMER_INT_CLR;
 	m147_pcc->t1_int_cntrl = PCC_INT_ENAB|PCC_LEVEL_TIMER1;
-	return tick_handler(irq, dev_id);
+	timer_routine(0, NULL);
+	local_irq_restore(flags);
+
+	return IRQ_HANDLED;
 }
 
 
 void mvme147_sched_init (irq_handler_t timer_routine)
 {
-	tick_handler = timer_routine;
+	if (request_irq(PCC_IRQ_TIMER1, mvme147_timer_int, 0, "timer 1",
-	if (request_irq(PCC_IRQ_TIMER1, mvme147_timer_int, 0, "timer 1", NULL))
+			timer_routine))
 		pr_err("Couldn't register timer interrupt\n");
 
 	/* Init the clock with a value */

arch/m68k/mvme16x/config.c

@@ -51,11 +51,6 @@ extern void mvme16x_reset (void);
 
 int bcd2int (unsigned char b);
 
-/* Save tick handler routine pointer, will point to xtime_update() in
- * kernel/time/timekeeping.c, called via mvme16x_process_int() */
-
-static irq_handler_t tick_handler;
-
 
 unsigned short mvme16x_config;
 EXPORT_SYMBOL(mvme16x_config);
@@ -354,8 +349,15 @@ static irqreturn_t mvme16x_abort_int (int irq, void *dev_id)
 
 static irqreturn_t mvme16x_timer_int (int irq, void *dev_id)
 {
-    *(volatile unsigned char *)0xfff4201b |= 8;
+	irq_handler_t timer_routine = dev_id;
-    return tick_handler(irq, dev_id);
+	unsigned long flags;
+
+	local_irq_save(flags);
+	*(volatile unsigned char *)0xfff4201b |= 8;
+	timer_routine(0, NULL);
+	local_irq_restore(flags);
+
+	return IRQ_HANDLED;
 }
 
 void mvme16x_sched_init (irq_handler_t timer_routine)
@@ -363,14 +365,13 @@ void mvme16x_sched_init (irq_handler_t timer_routine)
     uint16_t brdno = be16_to_cpu(mvme_bdid.brdno);
     int irq;
 
-    tick_handler = timer_routine;
     /* Using PCCchip2 or MC2 chip tick timer 1 */
     *(volatile unsigned long *)0xfff42008 = 0;
     *(volatile unsigned long *)0xfff42004 = 10000;	/* 10ms */
     *(volatile unsigned char *)0xfff42017 |= 3;
     *(volatile unsigned char *)0xfff4201b = 0x16;
-    if (request_irq(MVME16x_IRQ_TIMER, mvme16x_timer_int, 0,
+    if (request_irq(MVME16x_IRQ_TIMER, mvme16x_timer_int, 0, "timer",
-				"timer", mvme16x_timer_int))
+                    timer_routine))
 	panic ("Couldn't register timer int");
 
     if (brdno == 0x0162 || brdno == 0x172)

arch/m68k/q40/q40ints.c

@@ -127,10 +127,10 @@ void q40_mksound(unsigned int hz, unsigned int ticks)
 	sound_ticks = ticks << 1;
 }
 
-static irq_handler_t q40_timer_routine;
+static irqreturn_t q40_timer_int(int irq, void *dev_id)
-
-static irqreturn_t q40_timer_int (int irq, void * dev)
 {
+	irq_handler_t timer_routine = dev_id;
+
 	ql_ticks = ql_ticks ? 0 : 1;
 	if (sound_ticks) {
 		unsigned char sval=(sound_ticks & 1) ? 128-SVOL : 128+SVOL;
@@ -139,8 +139,13 @@ static irqreturn_t q40_timer_int (int irq, void * dev)
 		*DAC_RIGHT=sval;
 	}
 
-	if (!ql_ticks)
+	if (!ql_ticks) {
-		q40_timer_routine(irq, dev);
+		unsigned long flags;
+
+		local_irq_save(flags);
+		timer_routine(0, NULL);
+		local_irq_restore(flags);
+	}
 	return IRQ_HANDLED;
 }
 
@@ -148,11 +153,9 @@ void q40_sched_init (irq_handler_t timer_routine)
 {
 	int timer_irq;
 
-	q40_timer_routine = timer_routine;
 	timer_irq = Q40_IRQ_FRAME;
 
-	if (request_irq(timer_irq, q40_timer_int, 0,
+	if (request_irq(timer_irq, q40_timer_int, 0, "timer", timer_routine))
-				"timer", q40_timer_int))
 		panic("Couldn't register timer int");
 
 	master_outb(-1, FRAME_CLEAR_REG);

arch/m68k/sun3/sun3ints.c

@@ -61,8 +61,10 @@ static irqreturn_t sun3_int7(int irq, void *dev_id)
 
 static irqreturn_t sun3_int5(int irq, void *dev_id)
 {
+	unsigned long flags;
 	unsigned int cnt;
 
+	local_irq_save(flags);
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
@@ -76,6 +78,7 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
 	cnt = kstat_irqs_cpu(irq, 0);
 	if (!(cnt % 20))
 		sun3_leds(led_pattern[cnt % 160 / 20]);
+	local_irq_restore(flags);
 	return IRQ_HANDLED;
 }
 

arch/m68k/sun3x/time.c

@@ -78,15 +78,19 @@ u32 sun3x_gettimeoffset(void)
 }
 
 #if 0
-static void sun3x_timer_tick(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t sun3x_timer_tick(int irq, void *dev_id)
 {
-    void (*vector)(int, void *, struct pt_regs *) = dev_id;
+	irq_handler_t timer_routine = dev_id;
+	unsigned long flags;
 
-    /* Clear the pending interrupt - pulse the enable line low */
+	local_irq_save(flags);
-    disable_irq(5);
+	/* Clear the pending interrupt - pulse the enable line low */
-    enable_irq(5);
+	disable_irq(5);
+	enable_irq(5);
+	timer_routine(0, NULL);
+	local_irq_restore(flags);
 
-    vector(irq, NULL, regs);
+	return IRQ_HANDLED;
 }
 #endif
 

arch/mips/bcm63xx/Makefile

@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-y		+= clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \
-		   setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \
+		   setup.o timer.o dev-enet.o dev-flash.o dev-pcmcia.o \
-		   dev-pcmcia.o dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o \
+		   dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o dev-wdt.o \
-		   dev-wdt.o dev-usb-usbd.o
+		   dev-usb-usbd.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 
 obj-y		+= boards/

arch/mips/bcm63xx/boards/board_bcm963xx.c

@@ -23,7 +23,6 @@
 #include <bcm63xx_nvram.h>
 #include <bcm63xx_dev_pci.h>
 #include <bcm63xx_dev_enet.h>
-#include <bcm63xx_dev_dsp.h>
 #include <bcm63xx_dev_flash.h>
 #include <bcm63xx_dev_hsspi.h>
 #include <bcm63xx_dev_pcmcia.h>
@@ -289,14 +288,6 @@ static struct board_info __initdata board_96348gw_10 = {
 	.has_pccard			= 1,
 	.has_ehci0			= 1,
 
-	.has_dsp			= 1,
-	.dsp = {
-		.gpio_rst		= 6,
-		.gpio_int		= 34,
-		.cs			= 2,
-		.ext_irq		= 2,
-	},
-
 	.leds = {
 		{
 			.name		= "adsl-fail",
@@ -401,14 +392,6 @@ static struct board_info __initdata board_96348gw = {
 
 	.has_ohci0 = 1,
 
-	.has_dsp			= 1,
-	.dsp = {
-		.gpio_rst		= 6,
-		.gpio_int		= 34,
-		.ext_irq		= 2,
-		.cs			= 2,
-	},
-
 	.leds = {
 		{
 			.name		= "adsl-fail",
@@ -898,9 +881,6 @@ int __init board_register_devices(void)
 	if (board.has_usbd)
 		bcm63xx_usbd_register(&board.usbd);
 
-	if (board.has_dsp)
-		bcm63xx_dsp_register(&board.dsp);
-
 	/* Generate MAC address for WLAN and register our SPROM,
 	 * do this after registering enet devices
 	 */

arch/mips/bcm63xx/dev-dsp.c

@@ -1,56 +0,0 @@
-/*
- * Broadcom BCM63xx VoIP DSP registration
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-
-#include <bcm63xx_cpu.h>
-#include <bcm63xx_dev_dsp.h>
-#include <bcm63xx_regs.h>
-#include <bcm63xx_io.h>
-
-static struct resource voip_dsp_resources[] = {
-	{
-		.start		= -1, /* filled at runtime */
-		.end		= -1, /* filled at runtime */
-		.flags		= IORESOURCE_MEM,
-	},
-	{
-		.start		= -1, /* filled at runtime */
-		.flags		= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device bcm63xx_voip_dsp_device = {
-	.name		= "bcm63xx-voip-dsp",
-	.id		= -1,
-	.num_resources	= ARRAY_SIZE(voip_dsp_resources),
-	.resource	= voip_dsp_resources,
-};
-
-int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd)
-{
-	struct bcm63xx_dsp_platform_data *dpd;
-	u32 val;
-
-	/* Get the memory window */
-	val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1));
-	val &= MPI_CSBASE_BASE_MASK;
-	voip_dsp_resources[0].start = val;
-	voip_dsp_resources[0].end = val + 0xFFFFFFF;
-	voip_dsp_resources[1].start = pd->ext_irq;
-
-	/* copy given platform data */
-	dpd = bcm63xx_voip_dsp_device.dev.platform_data;
-	memcpy(dpd, pd, sizeof (*pd));
-
-	return platform_device_register(&bcm63xx_voip_dsp_device);
-}

arch/mips/boot/compressed/Makefile

@@ -29,6 +29,9 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
 	-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
 	-DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
 
+# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
+KCOV_INSTRUMENT		:= n
+
 # decompressor objects (linked with vmlinuz)
 vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
 

arch/mips/include/asm/io.h

@@ -60,21 +60,11 @@
  * instruction, so the lower 16 bits must be zero.  Should be true on
  * on any sane architecture; generic code does not use this assumption.
  */
-extern const unsigned long mips_io_port_base;
+extern unsigned long mips_io_port_base;
 
-/*
- * Gcc will generate code to load the value of mips_io_port_base after each
- * function call which may be fairly wasteful in some cases.  So we don't
- * play quite by the book.  We tell gcc mips_io_port_base is a long variable
- * which solves the code generation issue.  Now we need to violate the
- * aliasing rules a little to make initialization possible and finally we
- * will need the barrier() to fight side effects of the aliasing chat.
- * This trickery will eventually collapse under gcc's optimizer.  Oh well.
- */
 static inline void set_io_port_base(unsigned long base)
 {
-	* (unsigned long *) &mips_io_port_base = base;
+	mips_io_port_base = base;
-	barrier();
 }
 
 /*

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h

@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __BCM63XX_DSP_H
-#define __BCM63XX_DSP_H
-
-struct bcm63xx_dsp_platform_data {
-	unsigned gpio_rst;
-	unsigned gpio_int;
-	unsigned cs;
-	unsigned ext_irq;
-};
-
-int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd);
-
-#endif /* __BCM63XX_DSP_H */

arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h

@@ -7,7 +7,6 @@
 #include <linux/leds.h>
 #include <bcm63xx_dev_enet.h>
 #include <bcm63xx_dev_usb_usbd.h>
-#include <bcm63xx_dev_dsp.h>
 
 /*
  * flash mapping
@@ -31,7 +30,6 @@ struct board_info {
 	unsigned int	has_ohci0:1;
 	unsigned int	has_ehci0:1;
 	unsigned int	has_usbd:1;
-	unsigned int	has_dsp:1;
 	unsigned int	has_uart0:1;
 	unsigned int	has_uart1:1;
 
@@ -43,9 +41,6 @@ struct board_info {
 	/* USB config */
 	struct bcm63xx_usbd_platform_data usbd;
 
-	/* DSP config */
-	struct bcm63xx_dsp_platform_data dsp;
-
 	/* GPIO LEDs */
 	struct gpio_led leds[5];
 

arch/mips/kernel/cacheinfo.c

@@ -61,6 +61,25 @@ static int __init_cache_level(unsigned int cpu)
 	return 0;
 }
 
+static void fill_cpumask_siblings(int cpu, cpumask_t *cpu_map)
+{
+	int cpu1;
+
+	for_each_possible_cpu(cpu1)
+		if (cpus_are_siblings(cpu, cpu1))
+			cpumask_set_cpu(cpu1, cpu_map);
+}
+
+static void fill_cpumask_cluster(int cpu, cpumask_t *cpu_map)
+{
+	int cpu1;
+	int cluster = cpu_cluster(&cpu_data[cpu]);
+
+	for_each_possible_cpu(cpu1)
+		if (cpu_cluster(&cpu_data[cpu1]) == cluster)
+			cpumask_set_cpu(cpu1, cpu_map);
+}
+
 static int __populate_cache_leaves(unsigned int cpu)
 {
 	struct cpuinfo_mips *c = &current_cpu_data;
@@ -68,14 +87,20 @@ static int __populate_cache_leaves(unsigned int cpu)
 	struct cacheinfo *this_leaf = this_cpu_ci->info_list;
 
 	if (c->icache.waysize) {
+		/* L1 caches are per core */
+		fill_cpumask_siblings(cpu, &this_leaf->shared_cpu_map);
 		populate_cache(dcache, this_leaf, 1, CACHE_TYPE_DATA);
+		fill_cpumask_siblings(cpu, &this_leaf->shared_cpu_map);
 		populate_cache(icache, this_leaf, 1, CACHE_TYPE_INST);
 	} else {
 		populate_cache(dcache, this_leaf, 1, CACHE_TYPE_UNIFIED);
 	}
 
-	if (c->scache.waysize)
+	if (c->scache.waysize) {
+		/* L2 cache is per cluster */
+		fill_cpumask_cluster(cpu, &this_leaf->shared_cpu_map);
 		populate_cache(scache, this_leaf, 2, CACHE_TYPE_UNIFIED);
+	}
 
 	if (c->tcache.waysize)
 		populate_cache(tcache, this_leaf, 3, CACHE_TYPE_UNIFIED);

arch/mips/kernel/setup.c

@@ -75,7 +75,7 @@ static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
  * mips_io_port_base is the begin of the address space to which x86 style
  * I/O ports are mapped.
  */
-const unsigned long mips_io_port_base = -1;
+unsigned long mips_io_port_base = -1;
 EXPORT_SYMBOL(mips_io_port_base);
 
 static struct resource code_resource = { .name = "Kernel code", };

arch/nios2/kernel/nios2_ksyms.c

@@ -9,12 +9,20 @@
 #include <linux/export.h>
 #include <linux/string.h>
 
+#include <asm/cacheflush.h>
+#include <asm/pgtable.h>
+
 /* string functions */
 
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(memmove);
 
+/* memory management */
+
+EXPORT_SYMBOL(empty_zero_page);
+EXPORT_SYMBOL(flush_icache_range);
+
 /*
  * libgcc functions - functions that are used internally by the
  * compiler...  (prototypes are not correct though, but that
@@ -31,3 +39,7 @@ DECLARE_EXPORT(__udivsi3);
 DECLARE_EXPORT(__umoddi3);
 DECLARE_EXPORT(__umodsi3);
 DECLARE_EXPORT(__muldi3);
+DECLARE_EXPORT(__ucmpdi2);
+DECLARE_EXPORT(__lshrdi3);
+DECLARE_EXPORT(__ashldi3);
+DECLARE_EXPORT(__ashrdi3);

arch/powerpc/Makefile

@@ -385,7 +385,9 @@ vdso_install:
 ifeq ($(CONFIG_PPC64),y)
 	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
 endif
+ifdef CONFIG_VDSO32
 	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
+endif
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi

@@ -63,6 +63,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe1000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy0: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi

@@ -60,6 +60,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xf1000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy6: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi

@@ -63,6 +63,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe3000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy1: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi

@@ -60,6 +60,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xf3000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy7: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi

@@ -59,6 +59,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe1000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy0: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi

@@ -59,6 +59,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe3000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy1: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi

@@ -59,6 +59,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe5000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy2: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi

@@ -59,6 +59,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe7000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy3: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi

@@ -59,6 +59,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe9000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy4: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi

@@ -59,6 +59,7 @@ fman@400000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xeb000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy5: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi

@@ -60,6 +60,7 @@ fman@500000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xf1000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy14: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi

@@ -60,6 +60,7 @@ fman@500000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xf3000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy15: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi

@@ -59,6 +59,7 @@ fman@500000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe1000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy8: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi

@@ -59,6 +59,7 @@ fman@500000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe3000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy9: ethernet-phy@0 {
 			reg = <0x0>;

arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi

@@ -59,6 +59,7 @@ fman@500000 {
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xe5000 0x1000>;
+		fsl,erratum-a011043; /* must ignore read errors */
 
 		pcsphy10: ethernet-phy@0 {
 			reg = <0x0>;