BrooklynR 5.16.0

Staying ahead of others.

Documentation/arm64/tagged-address-abi.rst

@@ -45,14 +45,24 @@ how the user addresses are used by the kernel:
 
 1. User addresses not accessed by the kernel but used for address space
    management (e.g. ``mprotect()``, ``madvise()``). The use of valid
-   tagged pointers in this context is allowed with the exception of
+   tagged pointers in this context is allowed with these exceptions:
-   ``brk()``, ``mmap()`` and the ``new_address`` argument to
-   ``mremap()`` as these have the potential to alias with existing
-   user addresses.
 
-   NOTE: This behaviour changed in v5.6 and so some earlier kernels may
+   - ``brk()``, ``mmap()`` and the ``new_address`` argument to
-   incorrectly accept valid tagged pointers for the ``brk()``,
+     ``mremap()`` as these have the potential to alias with existing
-   ``mmap()`` and ``mremap()`` system calls.
+      user addresses.
+
+     NOTE: This behaviour changed in v5.6 and so some earlier kernels may
+     incorrectly accept valid tagged pointers for the ``brk()``,
+     ``mmap()`` and ``mremap()`` system calls.
+
+   - The ``range.start``, ``start`` and ``dst`` arguments to the
+     ``UFFDIO_*`` ``ioctl()``s used on a file descriptor obtained from
+     ``userfaultfd()``, as fault addresses subsequently obtained by reading
+     the file descriptor will be untagged, which may otherwise confuse
+     tag-unaware programs.
+
+     NOTE: This behaviour changed in v5.14 and so some earlier kernels may
+     incorrectly accept valid tagged pointers for this system call.
 
 2. User addresses accessed by the kernel (e.g. ``write()``). This ABI
    relaxation is disabled by default and the application thread needs to

Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml

@@ -0,0 +1,93 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/nxp,dwmac-imx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8 DWMAC glue layer Device Tree Bindings
+
+maintainers:
+  - Joakim Zhang <qiangqing.zhang@nxp.com>
+
+# We need a select here so we don't match all nodes with 'snps,dwmac'
+select:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - nxp,imx8mp-dwmac-eqos
+          - nxp,imx8dxl-dwmac-eqos
+  required:
+    - compatible
+
+allOf:
+  - $ref: "snps,dwmac.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - nxp,imx8mp-dwmac-eqos
+              - nxp,imx8dxl-dwmac-eqos
+          - const: snps,dwmac-5.10a
+
+  clocks:
+    minItems: 3
+    maxItems: 5
+    items:
+      - description: MAC host clock
+      - description: MAC apb clock
+      - description: MAC timer clock
+      - description: MAC RGMII TX clock
+      - description: EQOS MEM clock
+
+  clock-names:
+    minItems: 3
+    maxItems: 5
+    contains:
+      enum:
+        - stmmaceth
+        - pclk
+        - ptp_ref
+        - tx
+        - mem
+
+  intf_mode:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description:
+      Should be phandle/offset pair. The phandle to the syscon node which
+      encompases the GPR register, and the offset of the GPR register.
+
+  snps,rmii_refclk_ext:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      To select RMII reference clock from external.
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/imx8mp-clock.h>
+
+    eqos: ethernet@30bf0000 {
+            compatible = "nxp,imx8mp-dwmac-eqos","snps,dwmac-5.10a";
+            reg = <0x30bf0000 0x10000>;
+            interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
+            interrupt-names = "macirq", "eth_wake_irq";
+            clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>,
+                     <&clk IMX8MP_CLK_QOS_ENET_ROOT>,
+                     <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
+                     <&clk IMX8MP_CLK_ENET_QOS>;
+            clock-names = "stmmaceth", "pclk", "ptp_ref", "tx";
+            phy-mode = "rgmii";
+            status = "disabled";
+    };

Documentation/devicetree/bindings/net/snps,dwmac.yaml

@@ -28,6 +28,7 @@ select:
           - snps,dwmac-4.00
           - snps,dwmac-4.10a
           - snps,dwmac-4.20a
+          - snps,dwmac-5.10a
           - snps,dwxgmac
           - snps,dwxgmac-2.10
 
@@ -82,6 +83,7 @@ properties:
         - snps,dwmac-4.00
         - snps,dwmac-4.10a
         - snps,dwmac-4.20a
+        - snps,dwmac-5.10a
         - snps,dwxgmac
         - snps,dwxgmac-2.10
 
@@ -375,6 +377,7 @@ allOf:
               - snps,dwmac-4.00
               - snps,dwmac-4.10a
               - snps,dwmac-4.20a
+              - snps,dwmac-5.10a
               - snps,dwxgmac
               - snps,dwxgmac-2.10
               - st,spear600-gmac

Documentation/devicetree/bindings/regulator/fixed-regulator.yaml

@@ -57,12 +57,14 @@ properties:
     maxItems: 1
 
   power-domains:
+    deprecated: true
     description:
       Power domain to use for enable control. This binding is only
       available if the compatible is chosen to regulator-fixed-domain.
     maxItems: 1
 
   required-opps:
+    deprecated: true
     description:
       Performance state to use for enable control. This binding is only
       available if the compatible is chosen to regulator-fixed-domain. The

Documentation/devicetree/bindings/sound/renesas,rsnd.yaml

@@ -114,7 +114,7 @@ properties:
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
-    properties:
+    patternProperties:
       port(@[0-9a-f]+)?:
         $ref: audio-graph-port.yaml#
         unevaluatedProperties: false

Documentation/networking/af_xdp.rst

@@ -243,8 +243,8 @@ Configuration Flags and Socket Options
 These are the various configuration flags that can be used to control
 and monitor the behavior of AF_XDP sockets.
 
-XDP_COPY and XDP_ZERO_COPY bind flags
+XDP_COPY and XDP_ZEROCOPY bind flags
--------------------------------------
+------------------------------------
 
 When you bind to a socket, the kernel will first try to use zero-copy
 copy. If zero-copy is not supported, it will fall back on using copy
@@ -252,7 +252,7 @@ mode, i.e. copying all packets out to user space. But if you would
 like to force a certain mode, you can use the following flags. If you
 pass the XDP_COPY flag to the bind call, the kernel will force the
 socket into copy mode. If it cannot use copy mode, the bind call will
-fail with an error. Conversely, the XDP_ZERO_COPY flag will force the
+fail with an error. Conversely, the XDP_ZEROCOPY flag will force the
 socket into zero-copy mode or fail.
 
 XDP_SHARED_UMEM bind flag

Documentation/networking/ip-sysctl.rst

@@ -826,7 +826,7 @@ tcp_fastopen_blackhole_timeout_sec - INTEGER
 	initial value when the blackhole issue goes away.
 	0 to disable the blackhole detection.
 
-	By default, it is set to 1hr.
+	By default, it is set to 0 (feature is disabled).
 
 tcp_fastopen_key - list of comma separated 32-digit hexadecimal INTEGERs
 	The list consists of a primary key and an optional backup key. The

Makefile

@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
-PATCHLEVEL = 14
+PATCHLEVEL = 16
 SUBLEVEL = 0
 EXTRAVERSION = -rc2
-NAME = Opossums on Parade
+NAME = BrooklynR dsat
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

README

@@ -1,4 +1,4 @@
-BrooklynR dsat NXT, The Blockchain Aerospace Linux 5.14.2
+BrooklynR dsat NXT, The Blockchain Aerospace Linux 5.16.0
 =========================================================
 
 * BrooklynR dsat NXT (next generation) V 1.2 as optional dsat aerospace feature for orbital blockchain satellite project

arch/arm/boot/dts/bcm2708-rpi-b-plus.dts

@@ -90,13 +90,13 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 47 0>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "input";
 		gpios = <&gpio 35 0>;

arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts

@@ -103,7 +103,7 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 16 1>;

arch/arm/boot/dts/bcm2708-rpi-b.dts

@@ -90,7 +90,7 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 16 1>;

arch/arm/boot/dts/bcm2708-rpi-cm.dtsi

@@ -2,7 +2,7 @@
 #include "bcm2708-rpi.dtsi"
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 47 0>;

arch/arm/boot/dts/bcm2708-rpi-zero-w.dts

@@ -139,7 +139,7 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "actpwr";
 		gpios = <&gpio 47 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/bcm2708-rpi-zero.dts

@@ -93,7 +93,7 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "actpwr";
 		gpios = <&gpio 47 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/bcm2709-rpi-2-b.dts

@@ -90,13 +90,13 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 47 0>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "input";
 		gpios = <&gpio 35 0>;

arch/arm/boot/dts/bcm270x.dtsi

@@ -33,7 +33,7 @@ pixelvalve1: pixelvalve@7e207000 {
 		};
 #endif
 
-		/delete-node/ sdhci@7e300000;
+		/delete-node/ mmc@7e300000;
 
 		sdhci: mmc: mmc@7e300000 {
 			compatible = "brcm,bcm2835-mmc", "brcm,bcm2835-sdhci";

arch/arm/boot/dts/bcm2710-rpi-2-b.dts

@@ -90,13 +90,13 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 47 0>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "input";
 		gpios = <&gpio 35 0>;

arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts

@@ -149,13 +149,13 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 29 0>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "default-on";
 		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/bcm2710-rpi-3-b.dts

@@ -164,13 +164,13 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&virtgpio 0 0>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "input";
 		gpios = <&expgpio 7 0>;

arch/arm/boot/dts/bcm2710-rpi-cm3.dts

@@ -123,7 +123,7 @@ &i2s {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&virtgpio 0 0>;

arch/arm/boot/dts/bcm2711-rpi-4-b.dts

@@ -1,9 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2711.dtsi"
-#include "bcm2835-rpi.dtsi"
+#include "bcm2711-rpi.dtsi"
-
+//#include "bcm283x-rpi-usb-peripheral.dtsi"
-#include <dt-bindings/reset/raspberrypi,firmware-reset.h>
 
 / {
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
@@ -14,25 +13,12 @@ chosen {
 		stdout-path = "serial1:115200n8";
 	};
 
-	/* Will be filled by the bootloader */
-	memory@0 {
-		device_type = "memory";
-		reg = <0 0 0>;
-	};
-
-	aliases {
-		emmc2bus = &emmc2bus;
-		ethernet0 = &genet;
-		pcie0 = &pcie0;
-		blconfig = &blconfig;
-	};
-
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 			default-state = "keep";
@@ -78,31 +64,15 @@ &ddc1 {
 	status = "okay";
 };
 
-&firmware {
+&expgpio {
-	firmware_clocks: clocks {
+	gpio-line-names = "BT_ON",
-		compatible = "raspberrypi,firmware-clocks";
+			  "WL_ON",
-		#clock-cells = <1>;
+			  "PWR_LED_OFF",
-	};
+			  "GLOBAL_RESET",
-
+			  "VDD_SD_IO_SEL",
-	expgpio: gpio {
+			  "CAM_GPIO",
-		compatible = "raspberrypi,firmware-gpio";
+			  "SD_PWR_ON",
-		gpio-controller;
+			  "SD_OC_N";
-		#gpio-cells = <2>;
-		gpio-line-names = "BT_ON",
-				  "WL_ON",
-				  "PWR_LED_OFF",
-				  "GLOBAL_RESET",
-				  "VDD_SD_IO_SEL",
-				  "CAM_GPIO",
-				  "SD_PWR_ON",
-				  "SD_OC_N";
-		status = "okay";
-	};
-
-	reset: reset {
-		compatible = "raspberrypi,firmware-reset";
-		#reset-cells = <1>;
-	};
 };
 
 &gpio {
@@ -179,23 +149,13 @@ &gpio {
 };
 
 &hdmi0 {
-	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
-	clock-names = "hdmi", "bvb", "audio", "cec";
-	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
 &hdmi1 {
-	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
-	clock-names = "hdmi", "bvb", "audio", "cec";
-	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
-&hvs {
-	clocks = <&firmware_clocks 4>;
-};
-
 &pixelvalve0 {
 	status = "okay";
 };
@@ -218,22 +178,6 @@ &pwm1 {
 	status = "okay";
 };
 
-&rmem {
-	/*
-	 * RPi4's co-processor will copy the board's bootloader configuration
-	 * into memory for the OS to consume. It'll also update this node with
-	 * its placement information.
-	 */
-	blconfig: nvram@0 {
-		compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		reg = <0x0 0x0 0x0>;
-		no-map;
-		status = "disabled";
-	};
-};
-
 /* SDHCI is used to control the SDIO for wireless */
 &sdhci {
 	#address-cells = <1>;
@@ -308,10 +252,6 @@ &uart1 {
 	status = "okay";
 };
 
-&vchiq {
-	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
-};
-
 &vc4 {
 	status = "okay";
 };
@@ -335,7 +275,7 @@ soc {
 	};
 };
 
-#include "bcm2711-rpi.dtsi"
+#include "bcm2711-rpi-ds.dtsi"
 #include "bcm283x-rpi-csi1-2lane.dtsi"
 #include "bcm283x-rpi-i2c0mux_0_44.dtsi"
 #include "bcm283x-rpi-cam1-regulator.dtsi"
@@ -351,11 +291,12 @@ aliases {
 		mmc0 = &emmc2;
 		mmc1 = &mmcnr;
 		mmc2 = &sdhost;
-		/delete-property/ i2c2;
 		i2c3 = &i2c3;
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
 		i2c6 = &i2c6;
+		i2c20 = &ddc0;
+		i2c21 = &ddc1;
 		spi3 = &spi3;
 		spi4 = &spi4;
 		spi5 = &spi5;
@@ -561,13 +502,6 @@ &i2s {
 	pinctrl-0 = <&i2s_pins>;
 };
 
-/ {
-	__overrides__ {
-		/delete-property/ i2c2_baudrate;
-		/delete-property/ i2c2_iknowwhatimdoing;
-	};
-};
-
 // =============================================
 // Board specific stuff here
 
@@ -587,13 +521,13 @@ audio_pins: audio_pins {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "default-on";
 		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/bcm2711-rpi-400.dts

@@ -28,11 +28,11 @@ aliases {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 			default-state = "keep";
@@ -181,12 +181,14 @@ &gpio {
 &hdmi0 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
 &hdmi1 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
@@ -333,7 +335,7 @@ soc {
 	};
 };
 
-#include "bcm2711-rpi.dtsi"
+#include "bcm2711-rpi-ds.dtsi"
 #include "bcm283x-rpi-csi1-2lane.dtsi"
 #include "bcm283x-rpi-i2c0mux_0_44.dtsi"
 
@@ -348,11 +350,12 @@ aliases {
 		mmc0 = &emmc2;
 		mmc1 = &mmcnr;
 		mmc2 = &sdhost;
-		/delete-property/ i2c2;
 		i2c3 = &i2c3;
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
 		i2c6 = &i2c6;
+		i2c20 = &ddc0;
+		i2c21 = &ddc1;
 		spi3 = &spi3;
 		spi4 = &spi4;
 		spi5 = &spi5;
@@ -558,13 +561,6 @@ &i2s {
 	pinctrl-0 = <&i2s_pins>;
 };
 
-/ {
-	__overrides__ {
-		/delete-property/ i2c2_baudrate;
-		/delete-property/ i2c2_iknowwhatimdoing;
-	};
-};
-
 // =============================================
 // Board specific stuff here
 
@@ -592,14 +588,14 @@ audio_pins: audio_pins {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "default-on";
 		default-state = "on";
 		gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "default-on";
 		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/bcm2711-rpi-cm4.dts

@@ -28,11 +28,11 @@ aliases {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 			default-state = "keep";
@@ -193,12 +193,14 @@ &gpio {
 &hdmi0 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
 &hdmi1 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
@@ -277,9 +279,9 @@ &genet {
 };
 
 &genet_mdio {
-	phy1: ethernet-phy@1 {
+	phy1: ethernet-phy@0 {
 		/* No PHY interrupt */
-		reg = <0x1>;
+		reg = <0x0>;
 	};
 };
 
@@ -346,7 +348,7 @@ soc {
 	};
 };
 
-#include "bcm2711-rpi.dtsi"
+#include "bcm2711-rpi-ds.dtsi"
 #include "bcm283x-rpi-csi0-2lane.dtsi"
 #include "bcm283x-rpi-csi1-4lane.dtsi"
 #include "bcm283x-rpi-i2c0mux_0_44.dtsi"
@@ -363,11 +365,12 @@ aliases {
 		mmc0 = &emmc2;
 		mmc1 = &mmcnr;
 		mmc2 = &sdhost;
-		/delete-property/ i2c2;
 		i2c3 = &i2c3;
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
 		i2c6 = &i2c6;
+		i2c20 = &ddc0;
+		i2c21 = &ddc1;
 		spi3 = &spi3;
 		spi4 = &spi4;
 		spi5 = &spi5;
@@ -573,13 +576,6 @@ &i2s {
 	pinctrl-0 = <&i2s_pins>;
 };
 
-/ {
-	__overrides__ {
-		/delete-property/ i2c2_baudrate;
-		/delete-property/ i2c2_iknowwhatimdoing;
-	};
-};
-
 // =============================================
 // Board specific stuff here
 
@@ -603,13 +599,13 @@ audio_pins: audio_pins {
 };
 
 &leds {
-	act_led: act {
+	act_led: led-act {
 		label = "led0";
 		linux,default-trigger = "mmc0";
 		gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 	};
 
-	pwr_led: pwr {
+	pwr_led: led-pwr {
 		label = "led1";
 		linux,default-trigger = "default-on";
 		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/bcm2711-rpi-ds.dtsi

@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "bcm270x-rpi.dtsi"
+
+/ {
+	__overrides__ {
+		arm_freq;
+	};
+
+	v3dbus: v3dbus {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <2>;
+		ranges = <0x7c500000  0x0 0xfc500000  0x0 0x03300000>,
+			 <0x40000000  0x0 0xff800000  0x0 0x00800000>;
+		dma-ranges = <0x00000000  0x0 0x00000000  0x4 0x00000000>;
+
+		v3d: v3d@7ec04000 {
+			compatible = "brcm,2711-v3d";
+			reg =
+			    <0x7ec00000  0x0 0x4000>,
+			    <0x7ec04000  0x0 0x4000>;
+			reg-names = "hub", "core0";
+
+			power-domains = <&pm BCM2835_POWER_DOMAIN_GRAFX_V3D>;
+			resets = <&pm BCM2835_RESET_V3D>;
+			clocks = <&firmware_clocks 5>;
+			clocks-names = "v3d";
+			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+	};
+
+	scb: scb {
+	     /* Add a label */
+	};
+};
+
+&vc4 {
+	raspberrypi,firmware = <&firmware>;
+};
+
+&cma {
+	/* Limit cma to the lower 768MB to allow room for HIGHMEM on 32-bit */
+	alloc-ranges = <0x0 0x00000000 0x30000000>;
+};
+
+&scb {
+	ranges = <0x0 0x7c000000  0x0 0xfc000000  0x0 0x03800000>,
+		 <0x0 0x40000000  0x0 0xff800000  0x0 0x00800000>,
+		 <0x6 0x00000000  0x6 0x00000000  0x0 0x40000000>,
+		 <0x0 0x00000000  0x0 0x00000000  0x0 0xfc000000>;
+	dma-ranges = <0x0 0x00000000  0x0 0x00000000  0x4 0x00000000>;
+
+	dma40: dma@7e007b00 {
+		compatible = "brcm,bcm2711-dma";
+		reg = <0x0 0x7e007b00  0x0 0x400>;
+		interrupts =
+			<GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>, /* dma4 11 */
+			<GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>, /* dma4 12 */
+			<GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>, /* dma4 13 */
+			<GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; /* dma4 14 */
+		interrupt-names = "dma11",
+			"dma12",
+			"dma13",
+			"dma14";
+		#dma-cells = <1>;
+		brcm,dma-channel-mask = <0x7800>;
+	};
+
+	xhci: xhci@7e9c0000 {
+		compatible = "generic-xhci";
+		status = "disabled";
+		reg = <0x0 0x7e9c0000  0x0 0x100000>;
+		interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&power RPI_POWER_DOMAIN_USB>;
+	};
+
+	hevc-decoder@7eb00000 {
+		compatible = "raspberrypi,rpivid-hevc-decoder";
+		reg = <0x0 0x7eb00000  0x0 0x10000>;
+		status = "okay";
+	};
+
+	rpivid-local-intc@7eb10000 {
+		compatible = "raspberrypi,rpivid-local-intc";
+		reg = <0x0 0x7eb10000  0x0 0x1000>;
+		status = "okay";
+		interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	h264-decoder@7eb20000 {
+		compatible = "raspberrypi,rpivid-h264-decoder";
+		reg = <0x0 0x7eb20000  0x0 0x10000>;
+		status = "okay";
+	};
+
+	vp9-decoder@7eb30000 {
+		compatible = "raspberrypi,rpivid-vp9-decoder";
+		reg = <0x0 0x7eb30000  0x0 0x10000>;
+		status = "okay";
+	};
+};
+
+&dma40 {
+	/* The VPU firmware uses DMA channel 11 for VCHIQ */
+	brcm,dma-channel-mask = <0x7000>;
+};
+
+&vchiq {
+	compatible = "brcm,bcm2711-vchiq";
+};
+
+&firmwarekms {
+	compatible = "raspberrypi,rpi-firmware-kms-2711";
+	interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&smi {
+	interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&mmc {
+	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&mmcnr {
+	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&csi0 {
+	interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&csi1 {
+	interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&random {
+	compatible = "brcm,bcm2711-rng200";
+	status = "okay";
+};
+
+&usb {
+	/* Enable the FIQ support */
+	reg = <0x7e980000 0x10000>,
+	      <0x7e00b200 0x200>;
+	interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
+		     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+	status = "disabled";
+};
+
+&gpio {
+	interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+		     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&emmc2 {
+	mmc-ddr-3_3v;
+};
+
+&vc4 {
+	status = "disabled";
+};
+
+&pixelvalve0 {
+	status = "disabled";
+};
+
+&pixelvalve1 {
+	status = "disabled";
+};
+
+&pixelvalve2 {
+	status = "disabled";
+};
+
+&pixelvalve3 {
+	status = "disabled";
+};
+
+&pixelvalve4 {
+	status = "disabled";
+};
+
+&hdmi0 {
+	dmas = <&dma (10|(1<<27)|(1<<24)|(10<<16)|(15<<20))>;
+	status = "disabled";
+};
+
+&ddc0 {
+	status = "disabled";
+};
+
+&hdmi1 {
+	dmas = <&dma (17|(1<<27)|(1<<24)|(10<<16)|(15<<20))>;
+	status = "disabled";
+};
+
+&ddc1 {
+	status = "disabled";
+};
+
+&dvp {
+	status = "disabled";
+};

arch/arm/boot/dts/bcm2711-rpi.dtsi

@@ -1,205 +1,74 @@
 // SPDX-License-Identifier: GPL-2.0
-#include "bcm270x-rpi.dtsi"
+#include "bcm2835-rpi.dtsi"
+
+#include <dt-bindings/reset/raspberrypi,firmware-reset.h>
 
 / {
-	__overrides__ {
+	/* Will be filled by the bootloader */
-		arm_freq;
+	memory@0 {
+		device_type = "memory";
+		reg = <0 0 0>;
 	};
 
-	v3dbus: v3dbus {
+	aliases {
-		compatible = "simple-bus";
+		emmc2bus = &emmc2bus;
-		#address-cells = <1>;
+		ethernet0 = &genet;
-		#size-cells = <2>;
+		pcie0 = &pcie0;
-		ranges = <0x7c500000  0x0 0xfc500000  0x0 0x03300000>,
+		blconfig = &blconfig;
-			 <0x40000000  0x0 0xff800000  0x0 0x00800000>;
-		dma-ranges = <0x00000000  0x0 0x00000000  0x4 0x00000000>;
-
-		v3d: v3d@7ec04000 {
-			compatible = "brcm,2711-v3d";
-			reg =
-			    <0x7ec00000  0x0 0x4000>,
-			    <0x7ec04000  0x0 0x4000>;
-			reg-names = "hub", "core0";
-
-			power-domains = <&pm BCM2835_POWER_DOMAIN_GRAFX_V3D>;
-			resets = <&pm BCM2835_RESET_V3D>;
-			clocks = <&firmware_clocks 5>;
-			clocks-names = "v3d";
-			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
-			status = "disabled";
-		};
-	};
-
-	scb: scb {
-	     /* Add a label */
 	};
 };
 
-&vc4 {
+&firmware {
-	raspberrypi,firmware = <&firmware>;
+	firmware_clocks: clocks {
-};
+		compatible = "raspberrypi,firmware-clocks";
-
+		#clock-cells = <1>;
-&cma {
-	/* Limit cma to the lower 768MB to allow room for HIGHMEM on 32-bit */
-	alloc-ranges = <0x0 0x00000000 0x30000000>;
-};
-
-&scb {
-	ranges = <0x0 0x7c000000  0x0 0xfc000000  0x0 0x03800000>,
-		 <0x0 0x40000000  0x0 0xff800000  0x0 0x00800000>,
-		 <0x6 0x00000000  0x6 0x00000000  0x0 0x40000000>,
-		 <0x0 0x00000000  0x0 0x00000000  0x0 0xfc000000>;
-	dma-ranges = <0x0 0x00000000  0x0 0x00000000  0x4 0x00000000>;
-
-	dma40: dma@7e007b00 {
-		compatible = "brcm,bcm2711-dma";
-		reg = <0x0 0x7e007b00  0x0 0x400>;
-		interrupts =
-			<GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>, /* dma4 11 */
-			<GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>, /* dma4 12 */
-			<GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>, /* dma4 13 */
-			<GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; /* dma4 14 */
-		interrupt-names = "dma11",
-			"dma12",
-			"dma13",
-			"dma14";
-		#dma-cells = <1>;
-		brcm,dma-channel-mask = <0x7800>;
 	};
 
-	xhci: xhci@7e9c0000 {
+	expgpio: gpio {
-		compatible = "generic-xhci";
+		compatible = "raspberrypi,firmware-gpio";
-		status = "disabled";
+		gpio-controller;
-		reg = <0x0 0x7e9c0000  0x0 0x100000>;
+		#gpio-cells = <2>;
-		interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
-		power-domains = <&power RPI_POWER_DOMAIN_USB>;
-	};
-
-	hevc-decoder@7eb00000 {
-		compatible = "raspberrypi,rpivid-hevc-decoder";
-		reg = <0x0 0x7eb00000  0x0 0x10000>;
 		status = "okay";
 	};
 
-	rpivid-local-intc@7eb10000 {
+	reset: reset {
-		compatible = "raspberrypi,rpivid-local-intc";
+		compatible = "raspberrypi,firmware-reset";
-		reg = <0x0 0x7eb10000  0x0 0x1000>;
+		#reset-cells = <1>;
-		status = "okay";
-		interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
 	};
-
-	h264-decoder@7eb20000 {
-		compatible = "raspberrypi,rpivid-h264-decoder";
-		reg = <0x0 0x7eb20000  0x0 0x10000>;
-		status = "okay";
-	};
-
-	vp9-decoder@7eb30000 {
-		compatible = "raspberrypi,rpivid-vp9-decoder";
-		reg = <0x0 0x7eb30000  0x0 0x10000>;
-		status = "okay";
-	};
-};
-
-&dma40 {
-	/* The VPU firmware uses DMA channel 11 for VCHIQ */
-	brcm,dma-channel-mask = <0x7000>;
-};
-
-&vchiq {
-	compatible = "brcm,bcm2711-vchiq";
-};
-
-&firmwarekms {
-	compatible = "raspberrypi,rpi-firmware-kms-2711";
-	interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&smi {
-	interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&mmc {
-	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&mmcnr {
-	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&csi0 {
-	interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&csi1 {
-	interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&random {
-	compatible = "brcm,bcm2711-rng200";
-	status = "okay";
-};
-
-&usb {
-	/* Enable the FIQ support */
-	reg = <0x7e980000 0x10000>,
-	      <0x7e00b200 0x200>;
-	interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
-		     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
-	status = "disabled";
-};
-
-&gpio {
-	interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
-		     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
-};
-
-&emmc2 {
-	mmc-ddr-3_3v;
-};
-
-&vc4 {
-	status = "disabled";
-};
-
-&pixelvalve0 {
-	status = "disabled";
-};
-
-&pixelvalve1 {
-	status = "disabled";
-};
-
-&pixelvalve2 {
-	status = "disabled";
-};
-
-&pixelvalve3 {
-	status = "disabled";
-};
-
-&pixelvalve4 {
-	status = "disabled";
 };
 
 &hdmi0 {
-	dmas = <&dma (10|(1<<27)|(1<<24)|(10<<16)|(15<<20))>;
+	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
-	status = "disabled";
+	clock-names = "hdmi", "bvb", "audio", "cec";
-};
+	wifi-2.4ghz-coexistence;
-
-&ddc0 {
-	status = "disabled";
 };
 
 &hdmi1 {
-	dmas = <&dma (17|(1<<27)|(1<<24)|(10<<16)|(15<<20))>;
+	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
-	status = "disabled";
+	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 };
 
-&ddc1 {
+&hvs {
-	status = "disabled";
+	clocks = <&firmware_clocks 4>;
 };
 
-&dvp {
+&rmem {
-	status = "disabled";
+	/*
+	 * RPi4's co-processor will copy the board's bootloader configuration
+	 * into memory for the OS to consume. It'll also update this node with
+	 * its placement information.
+	 */
+	blconfig: nvram@0 {
+		compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x0 0x0 0x0>;
+		no-map;
+		status = "disabled";
+	};
+};
+
+&vchiq {
+	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
 };

arch/arm/boot/dts/bcm2711.dtsi

@@ -434,7 +434,7 @@ emmc2bus: emmc2bus {
 		ranges = <0x0 0x7e000000  0x0 0xfe000000  0x01800000>;
 		dma-ranges = <0x0 0xc0000000  0x0 0x00000000  0x40000000>;
 
-		emmc2: emmc2@7e340000 {
+		emmc2: mmc@7e340000 {
 			compatible = "brcm,bcm2711-emmc2";
 			reg = <0x0 0x7e340000 0x100>;
 			interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;

arch/arm/boot/dts/bcm2835-rpi-a-plus.dts

@@ -14,11 +14,11 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
 			default-state = "keep";

arch/arm/boot/dts/bcm2835-rpi-a.dts

@@ -14,7 +14,7 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
 		};
 	};

arch/arm/boot/dts/bcm2835-rpi-b-plus.dts

@@ -15,11 +15,11 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
 			default-state = "keep";

arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts

@@ -15,7 +15,7 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
 		};
 	};

arch/arm/boot/dts/bcm2835-rpi-b.dts

@@ -15,7 +15,7 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
 		};
 	};

arch/arm/boot/dts/bcm2835-rpi-cm1.dtsi

@@ -5,7 +5,7 @@
 
 / {
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
 		};
 	};

arch/arm/boot/dts/bcm2835-rpi-zero-w.dts

@@ -23,7 +23,7 @@ chosen {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
 		};
 	};

arch/arm/boot/dts/bcm2835-rpi-zero.dts

@@ -18,7 +18,7 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 		};
 	};

arch/arm/boot/dts/bcm2835-rpi.dtsi

@@ -4,7 +4,7 @@ / {
 	leds {
 		compatible = "gpio-leds";
 
-		act {
+		led-act {
 			label = "ACT";
 			default-state = "keep";
 			linux,default-trigger = "heartbeat";

arch/arm/boot/dts/bcm2836-rpi-2-b.dts

@@ -15,11 +15,11 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
 			default-state = "keep";

arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts

@@ -19,11 +19,11 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 			default-state = "keep";

arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts

@@ -20,11 +20,11 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
 		};
 
-		pwr {
+		led-pwr {
 			label = "PWR";
 			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 			default-state = "keep";

arch/arm/boot/dts/bcm2837-rpi-3-b.dts

@@ -20,7 +20,7 @@ memory@0 {
 	};
 
 	leds {
-		act {
+		led-act {
 			gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>;
 		};
 	};

arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi

@@ -14,7 +14,7 @@ leds {
 		 * Since there is no upstream GPIO driver yet,
 		 * remove the incomplete node.
 		 */
-		/delete-node/ act;
+		/delete-node/ led-act;
 	};
 
 	reg_3v3: fixed-regulator {

arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi

@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
+&usb {
+	dr_mode = "peripheral";
+	g-rx-fifo-size = <256>;
+	g-np-tx-fifo-size = <32>;
+	g-tx-fifo-size = <256 256 512 512 512 768 768>;
+};

arch/arm/boot/dts/bcm283x.dtsi

@@ -444,7 +444,7 @@ pwm: pwm@7e20c000 {
 			status = "disabled";
 		};
 
-		sdhci: sdhci@7e300000 {
+		sdhci: mmc@7e300000 {
 			compatible = "brcm,bcm2835-sdhci";
 			reg = <0x7e300000 0x100>;
 			interrupts = <2 30>;

arch/arm/boot/dts/overlays/Makefile

@@ -31,7 +31,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	audremap.dtbo \
 	balena-fin.dtbo \
 	cap1106.dtbo \
-	chipdip-i2s-master-dac.dtbo \
+	chipdip-dac.dtbo \
 	cma.dtbo \
 	dht11.dtbo \
 	dionaudio-loco.dtbo \
@@ -220,6 +220,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	upstream.dtbo \
 	upstream-pi4.dtbo \
 	vc4-fkms-v3d.dtbo \
+	vc4-fkms-v3d-pi4.dtbo \
 	vc4-kms-dpi-at056tn53v1.dtbo \
 	vc4-kms-dsi-7inch.dtbo \
 	vc4-kms-dsi-lt070me05000.dtbo \

arch/arm/boot/dts/overlays/README

@@ -628,9 +628,9 @@ Load:   dtoverlay=cap1106,<param>=<val>
 Params: int_pin                 GPIO pin for interrupt signal (default 23)
 
 
-Name:   chipdip-i2s-master-dac
+Name:   chipdip-dac
-Info:   Configures Raspberry PI to work as I2S slave with BCLK=64Fs.
+Info:   Configures Chip Dip audio cards.
-Load:   dtoverlay=chipdip-i2s-master-dac
+Load:   dtoverlay=chipdip-dac
 Params: <None>
 
 
@@ -3268,6 +3268,23 @@ Params: cma-512                 CMA is 512MB (needs 1GB)
         cma-default             Use upstream's default value
 
 
+Name:   vc4-fkms-v3d-pi4
+Info:   Enable Eric Anholt's DRM VC4 V3D driver on top of the dispmanx
+        display stack.
+Load:   dtoverlay=vc4-fkms-v3d-pi4,<param>
+Params: cma-512                 CMA is 512MB (needs 1GB)
+        cma-448                 CMA is 448MB (needs 1GB)
+        cma-384                 CMA is 384MB (needs 1GB)
+        cma-320                 CMA is 320MB (needs 1GB)
+        cma-256                 CMA is 256MB (needs 1GB)
+        cma-192                 CMA is 192MB (needs 1GB)
+        cma-128                 CMA is 128MB
+        cma-96                  CMA is 96MB
+        cma-64                  CMA is 64MB
+        cma-size                CMA size in bytes, 4MB aligned
+        cma-default             Use upstream's default value
+
+
 Name:   vc4-kms-dpi-at056tn53v1
 Info:   Enable an Innolux 5.6in VGA TFT connected to DPI interface under KMS.
         Requires vc4-kms-v3d to be loaded.

arch/arm/boot/dts/overlays/chipdip-dac-overlay.dts

@@ -0,0 +1,46 @@
+/*
+ * Device Tree overlay for ChipDip DAC
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2835";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			spdif-transmitter {
+				#address-cells = <0>;
+				#size-cells = <0>;
+				#sound-dai-cells = <0>;
+				compatible = "linux,spdif-dit";
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sound>;
+		__overlay__ {
+			compatible = "chipdip,chipdip-dac";
+			i2s-controller = <&i2s>;
+			sr0-gpios = <&gpio 5 0>;
+			sr1-gpios = <&gpio 6 0>;
+			sr2-gpios = <&gpio 12 0>;
+			res0-gpios = <&gpio 24 0>;
+			res1-gpios = <&gpio 27 0>;
+			mute-gpios = <&gpio 4 0>;
+			sdwn-gpios = <&gpio 13 0>;
+			status = "okay";
+		};
+	};
+};

arch/arm/boot/dts/overlays/overlay_map.dts

@@ -138,6 +138,15 @@ upstream-pi4 {
 		bcm2711;
 	};
 
+	vc4-fkms-v3d {
+		bcm2835;
+		bcm2711 = "vc4-fkms-v3d-pi4";
+	};
+
+	vc4-fkms-v3d-pi4 {
+		bcm2711;
+	};
+
 	vc4-kms-v3d {
 		bcm2835;
 		bcm2711 = "vc4-kms-v3d-pi4";

arch/arm/boot/dts/overlays/vc4-fkms-v3d-pi4-overlay.dts

@@ -0,0 +1,44 @@
+/*
+ * vc4-fkms-v3d-overlay.dts
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include "cma-overlay.dts"
+
+&frag0 {
+       size = <(512*1024*1024)>;
+};
+
+/ {
+	compatible = "brcm,bcm2711";
+
+	fragment@1 {
+		target = <&fb>;
+		__overlay__  {
+			status = "disabled";
+		};
+	};
+
+	fragment@2 {
+		target = <&firmwarekms>;
+		__overlay__  {
+			status = "okay";
+		};
+	};
+
+	fragment@3 {
+		target = <&v3d>;
+		__overlay__  {
+			status = "okay";
+		};
+	};
+
+	fragment@4 {
+		target = <&vc4>;
+		__overlay__  {
+			status = "okay";
+		};
+	};
+};

arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts

@@ -9,8 +9,12 @@
 
 #include "cma-overlay.dts"
 
+&frag0 {
+       size = <(512*1024*1024)>;
+};
+
 / {
-	compatible = "brcm,bcm2835";
+	compatible = "brcm,bcm2711";
 
 	fragment@1 {
 		target = <&ddc0>;

arch/arm/configs/bcm2709_defconfig

@@ -663,6 +663,7 @@ CONFIG_TTY_PRINTK=y
 CONFIG_HW_RANDOM=y
 CONFIG_TCG_TPM=m
 CONFIG_TCG_TIS_SPI=m
+CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_MUX_GPMUX=m
@@ -937,6 +938,7 @@ CONFIG_TINYDRM_MI0283QT=m
 CONFIG_TINYDRM_REPAPER=m
 CONFIG_TINYDRM_ST7586=m
 CONFIG_TINYDRM_ST7735R=m
+CONFIG_DRM_GUD=m
 CONFIG_FB=y
 CONFIG_FB_BCM2708=y
 CONFIG_FB_UDL=m
@@ -971,6 +973,7 @@ CONFIG_SND_USB_6FIRE=m
 CONFIG_SND_USB_HIFACE=m
 CONFIG_SND_SOC=m
 CONFIG_SND_BCM2835_SOC_I2S=m
+CONFIG_SND_BCM2708_SOC_CHIPDIP_DAC=m
 CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
@@ -1018,6 +1021,7 @@ CONFIG_SND_SOC_MA120X0P=m
 CONFIG_SND_SOC_MAX98357A=m
 CONFIG_SND_SOC_SPDIF=m
 CONFIG_SND_SOC_WM8804_I2C=m
+CONFIG_SND_SOC_WM8960=m
 CONFIG_SND_SIMPLE_CARD=m
 CONFIG_HID_BATTERY_STRENGTH=y
 CONFIG_HIDRAW=y

arch/arm/configs/bcm2711_defconfig

@@ -676,6 +676,7 @@ CONFIG_TTY_PRINTK=y
 CONFIG_HW_RANDOM=y
 CONFIG_TCG_TPM=m
 CONFIG_TCG_TIS_SPI=m
+CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_MUX_GPMUX=m
@@ -952,6 +953,7 @@ CONFIG_TINYDRM_MI0283QT=m
 CONFIG_TINYDRM_REPAPER=m
 CONFIG_TINYDRM_ST7586=m
 CONFIG_TINYDRM_ST7735R=m
+CONFIG_DRM_GUD=m
 CONFIG_FB=y
 CONFIG_FB_BCM2708=y
 CONFIG_FB_UDL=m
@@ -986,6 +988,7 @@ CONFIG_SND_USB_6FIRE=m
 CONFIG_SND_USB_HIFACE=m
 CONFIG_SND_SOC=m
 CONFIG_SND_BCM2835_SOC_I2S=m
+CONFIG_SND_BCM2708_SOC_CHIPDIP_DAC=m
 CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
@@ -1033,6 +1036,7 @@ CONFIG_SND_SOC_MA120X0P=m
 CONFIG_SND_SOC_MAX98357A=m
 CONFIG_SND_SOC_SPDIF=m
 CONFIG_SND_SOC_WM8804_I2C=m
+CONFIG_SND_SOC_WM8960=m
 CONFIG_SND_SIMPLE_CARD=m
 CONFIG_HID_BATTERY_STRENGTH=y
 CONFIG_HIDRAW=y

arch/arm/configs/bcmrpi_defconfig

@@ -657,6 +657,7 @@ CONFIG_TTY_PRINTK=y
 CONFIG_HW_RANDOM=y
 CONFIG_TCG_TPM=m
 CONFIG_TCG_TIS_SPI=m
+CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_MUX_GPMUX=m
@@ -930,6 +931,7 @@ CONFIG_TINYDRM_MI0283QT=m
 CONFIG_TINYDRM_REPAPER=m
 CONFIG_TINYDRM_ST7586=m
 CONFIG_TINYDRM_ST7735R=m
+CONFIG_DRM_GUD=m
 CONFIG_FB=y
 CONFIG_FB_BCM2708=y
 CONFIG_FB_UDL=m
@@ -964,6 +966,7 @@ CONFIG_SND_USB_6FIRE=m
 CONFIG_SND_USB_HIFACE=m
 CONFIG_SND_SOC=m
 CONFIG_SND_BCM2835_SOC_I2S=m
+CONFIG_SND_BCM2708_SOC_CHIPDIP_DAC=m
 CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
@@ -1011,6 +1014,7 @@ CONFIG_SND_SOC_MA120X0P=m
 CONFIG_SND_SOC_MAX98357A=m
 CONFIG_SND_SOC_SPDIF=m
 CONFIG_SND_SOC_WM8804_I2C=m
+CONFIG_SND_SOC_WM8960=m
 CONFIG_SND_SIMPLE_CARD=m
 CONFIG_HID_BATTERY_STRENGTH=y
 CONFIG_HIDRAW=y

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

@@ -1063,7 +1063,7 @@ &usb2 {
 	status = "okay";
 	extcon = <&usb2_id>;
 
-	usb@7600000 {
+	dwc3@7600000 {
 		extcon = <&usb2_id>;
 		dr_mode = "otg";
 		maximum-speed = "high-speed";
@@ -1074,7 +1074,7 @@ &usb3 {
 	status = "okay";
 	extcon = <&usb3_id>;
 
-	usb@6a00000 {
+	dwc3@6a00000 {
 		extcon = <&usb3_id>;
 		dr_mode = "otg";
 	};

arch/arm64/boot/dts/qcom/ipq8074.dtsi

@@ -443,7 +443,7 @@ usb_0: usb@8af8800 {
 			resets = <&gcc GCC_USB0_BCR>;
 			status = "disabled";
 
-			dwc_0: usb@8a00000 {
+			dwc_0: dwc3@8a00000 {
 				compatible = "snps,dwc3";
 				reg = <0x8a00000 0xcd00>;
 				interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
@@ -484,7 +484,7 @@ usb_1: usb@8cf8800 {
 			resets = <&gcc GCC_USB1_BCR>;
 			status = "disabled";
 
-			dwc_1: usb@8c00000 {
+			dwc_1: dwc3@8c00000 {
 				compatible = "snps,dwc3";
 				reg = <0x8c00000 0xcd00>;
 				interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -2566,7 +2566,7 @@ usb3: usb@6af8800 {
 			power-domains = <&gcc USB30_GDSC>;
 			status = "disabled";
 
-			usb@6a00000 {
+			dwc3@6a00000 {
 				compatible = "snps,dwc3";
 				reg = <0x06a00000 0xcc00>;
 				interrupts = <0 131 IRQ_TYPE_LEVEL_HIGH>;
@@ -2873,7 +2873,7 @@ usb2: usb@76f8800 {
 			qcom,select-utmi-as-pipe-clk;
 			status = "disabled";
 
-			usb@7600000 {
+			dwc3@7600000 {
 				compatible = "snps,dwc3";
 				reg = <0x07600000 0xcc00>;
 				interrupts = <0 138 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/qcom/msm8998.dtsi

@@ -1964,7 +1964,7 @@ usb3: usb@a8f8800 {
 
 			resets = <&gcc GCC_USB_30_BCR>;
 
-			usb3_dwc3: usb@a800000 {
+			usb3_dwc3: dwc3@a800000 {
 				compatible = "snps,dwc3";
 				reg = <0x0a800000 0xcd00>;
 				interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/qcom/qcs404-evb.dtsi

@@ -337,7 +337,7 @@ &usb2_phy_sec {
 &usb3 {
 	status = "okay";
 
-	usb@7580000 {
+	dwc3@7580000 {
 		dr_mode = "host";
 	};
 };

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -544,7 +544,7 @@ usb3: usb@7678800 {
 			assigned-clock-rates = <19200000>, <200000000>;
 			status = "disabled";
 
-			usb@7580000 {
+			dwc3@7580000 {
 				compatible = "snps,dwc3";
 				reg = <0x07580000 0xcd00>;
 				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
@@ -573,7 +573,7 @@ usb2: usb@79b8800 {
 			assigned-clock-rates = <19200000>, <133333333>;
 			status = "disabled";
 
-			usb@78c0000 {
+			dwc3@78c0000 {
 				compatible = "snps,dwc3";
 				reg = <0x078c0000 0xcc00>;
 				interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/qcom/sc7180.dtsi

@@ -2756,7 +2756,7 @@ usb_1: usb@a6f8800 {
 					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3 0>;
 			interconnect-names = "usb-ddr", "apps-usb";
 
-			usb_1_dwc3: usb@a600000 {
+			usb_1_dwc3: dwc3@a600000 {
 				compatible = "snps,dwc3";
 				reg = <0 0x0a600000 0 0xe000>;
 				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/qcom/sdm845.dtsi

@@ -3781,7 +3781,7 @@ usb_1: usb@a6f8800 {
 					<&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_0 0>;
 			interconnect-names = "usb-ddr", "apps-usb";
 
-			usb_1_dwc3: usb@a600000 {
+			usb_1_dwc3: dwc3@a600000 {
 				compatible = "snps,dwc3";
 				reg = <0 0x0a600000 0 0xcd00>;
 				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
@@ -3829,7 +3829,7 @@ usb_2: usb@a8f8800 {
 					<&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_1 0>;
 			interconnect-names = "usb-ddr", "apps-usb";
 
-			usb_2_dwc3: usb@a800000 {
+			usb_2_dwc3: dwc3@a800000 {
 				compatible = "snps,dwc3";
 				reg = <0 0x0a800000 0 0xcd00>;
 				interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/qcom/sm8150.dtsi

@@ -2344,7 +2344,7 @@ usb_1: usb@a6f8800 {
 
 			resets = <&gcc GCC_USB30_PRIM_BCR>;
 
-			usb_1_dwc3: usb@a600000 {
+			usb_1_dwc3: dwc3@a600000 {
 				compatible = "snps,dwc3";
 				reg = <0 0x0a600000 0 0xcd00>;
 				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/configs/bcm2711_defconfig

@@ -673,6 +673,7 @@ CONFIG_TTY_PRINTK=y
 CONFIG_HW_RANDOM=y
 CONFIG_TCG_TPM=m
 CONFIG_TCG_TIS_SPI=m
+CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_MUX_GPMUX=m
@@ -955,6 +956,7 @@ CONFIG_TINYDRM_MI0283QT=m
 CONFIG_TINYDRM_REPAPER=m
 CONFIG_TINYDRM_ST7586=m
 CONFIG_TINYDRM_ST7735R=m
+CONFIG_DRM_GUD=m
 CONFIG_FB=y
 CONFIG_FB_BCM2708=y
 CONFIG_FB_UDL=m
@@ -989,6 +991,7 @@ CONFIG_SND_USB_6FIRE=m
 CONFIG_SND_USB_HIFACE=m
 CONFIG_SND_SOC=m
 CONFIG_SND_BCM2835_SOC_I2S=m
+CONFIG_SND_BCM2708_SOC_CHIPDIP_DAC=m
 CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
@@ -1036,6 +1039,7 @@ CONFIG_SND_SOC_MA120X0P=m
 CONFIG_SND_SOC_MAX98357A=m
 CONFIG_SND_SOC_SPDIF=m
 CONFIG_SND_SOC_WM8804_I2C=m
+CONFIG_SND_SOC_WM8960=m
 CONFIG_SND_SIMPLE_CARD=m
 CONFIG_HID_BATTERY_STRENGTH=y
 CONFIG_HIDRAW=y

arch/arm64/configs/bcmrpi3_defconfig

@@ -649,6 +649,7 @@ CONFIG_TTY_PRINTK=y
 CONFIG_HW_RANDOM=y
 CONFIG_TCG_TPM=m
 CONFIG_TCG_TIS_SPI=m
+CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_MUX=m
@@ -869,6 +870,7 @@ CONFIG_DRM_DISPLAY_CONNECTOR=m
 CONFIG_DRM_SIMPLE_BRIDGE=m
 CONFIG_DRM_VC4=m
 CONFIG_DRM_VC4_HDMI_CEC=y
+CONFIG_DRM_GUD=m
 CONFIG_FB=y
 CONFIG_FB_BCM2708=y
 CONFIG_FB_UDL=m
@@ -900,6 +902,7 @@ CONFIG_SND_USB_CAIAQ_INPUT=y
 CONFIG_SND_USB_6FIRE=m
 CONFIG_SND_SOC=m
 CONFIG_SND_BCM2835_SOC_I2S=m
+CONFIG_SND_BCM2708_SOC_CHIPDIP_DAC=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
 CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSHD=m
@@ -936,6 +939,7 @@ CONFIG_SND_SOC_ICS43432=m
 CONFIG_SND_SOC_MA120X0P=m
 CONFIG_SND_SOC_MAX98357A=m
 CONFIG_SND_SOC_WM8804_I2C=m
+CONFIG_SND_SOC_WM8960=m
 CONFIG_SND_SIMPLE_CARD=m
 CONFIG_HIDRAW=y
 CONFIG_UHID=m

arch/arm64/kernel/smccc-call.S

@@ -32,20 +32,23 @@ SYM_FUNC_END(__arm_smccc_sve_check)
 EXPORT_SYMBOL(__arm_smccc_sve_check)
 
 	.macro SMCCC instr
+	stp     x29, x30, [sp, #-16]!
+	mov	x29, sp
 alternative_if ARM64_SVE
 	bl	__arm_smccc_sve_check
 alternative_else_nop_endif
 	\instr	#0
-	ldr	x4, [sp]
+	ldr	x4, [sp, #16]
 	stp	x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS]
 	stp	x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS]
-	ldr	x4, [sp, #8]
+	ldr	x4, [sp, #24]
 	cbz	x4, 1f /* no quirk structure */
 	ldr	x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS]
 	cmp	x9, #ARM_SMCCC_QUIRK_QCOM_A6
 	b.ne	1f
 	str	x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS]
-1:	ret
+1:	ldp     x29, x30, [sp], #16
+	ret
 	.endm
 
 /*

arch/arm64/mm/mmu.c

@@ -1339,7 +1339,6 @@ void *__init fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot)
 	return dt_virt;
 }
 
-#if CONFIG_PGTABLE_LEVELS > 3
 int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
 {
 	pud_t new_pud = pfn_pud(__phys_to_pfn(phys), mk_pud_sect_prot(prot));
@@ -1354,16 +1353,6 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
 	return 1;
 }
 
-int pud_clear_huge(pud_t *pudp)
-{
-	if (!pud_sect(READ_ONCE(*pudp)))
-		return 0;
-	pud_clear(pudp);
-	return 1;
-}
-#endif
-
-#if CONFIG_PGTABLE_LEVELS > 2
 int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
 {
 	pmd_t new_pmd = pfn_pmd(__phys_to_pfn(phys), mk_pmd_sect_prot(prot));
@@ -1378,6 +1367,14 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
 	return 1;
 }
 
+int pud_clear_huge(pud_t *pudp)
+{
+	if (!pud_sect(READ_ONCE(*pudp)))
+		return 0;
+	pud_clear(pudp);
+	return 1;
+}
+
 int pmd_clear_huge(pmd_t *pmdp)
 {
 	if (!pmd_sect(READ_ONCE(*pmdp)))
@@ -1385,7 +1382,6 @@ int pmd_clear_huge(pmd_t *pmdp)
 	pmd_clear(pmdp);
 	return 1;
 }
-#endif
 
 int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr)
 {

arch/m68k/Kconfig.machine

@@ -33,6 +33,7 @@ config MAC
 	depends on MMU
 	select MMU_MOTOROLA if MMU
 	select HAVE_ARCH_NVRAM_OPS
+	select HAVE_PATA_PLATFORM
 	select LEGACY_TIMER_TICK
 	help
 	  This option enables support for the Apple Macintosh series of

arch/nds32/mm/mmap.c

@@ -59,7 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 
 		vma = find_vma(mm, addr);
 		if (TASK_SIZE - len >= addr &&
-		    (!vma || addr + len <= vma->vm_start))
+		    (!vma || addr + len <= vm_start_gap(vma)))
 			return addr;
 	}
 

arch/powerpc/kvm/book3s_hv.c

@@ -2697,8 +2697,10 @@ static int kvmppc_core_vcpu_create_hv(struct kvm_vcpu *vcpu)
 		HFSCR_DSCR | HFSCR_VECVSX | HFSCR_FP | HFSCR_PREFIX;
 	if (cpu_has_feature(CPU_FTR_HVMODE)) {
 		vcpu->arch.hfscr &= mfspr(SPRN_HFSCR);
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 		if (cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST))
 			vcpu->arch.hfscr |= HFSCR_TM;
+#endif
 	}
 	if (cpu_has_feature(CPU_FTR_TM_COMP))
 		vcpu->arch.hfscr |= HFSCR_TM;

arch/powerpc/kvm/book3s_hv_nested.c

@@ -302,6 +302,9 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu)
 	if (vcpu->kvm->arch.l1_ptcr == 0)
 		return H_NOT_AVAILABLE;
 
+	if (MSR_TM_TRANSACTIONAL(vcpu->arch.shregs.msr))
+		return H_BAD_MODE;
+
 	/* copy parameters in */
 	hv_ptr = kvmppc_get_gpr(vcpu, 4);
 	regs_ptr = kvmppc_get_gpr(vcpu, 5);
@@ -322,6 +325,23 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu)
 	if (l2_hv.vcpu_token >= NR_CPUS)
 		return H_PARAMETER;
 
+	/*
+	 * L1 must have set up a suspended state to enter the L2 in a
+	 * transactional state, and only in that case. These have to be
+	 * filtered out here to prevent causing a TM Bad Thing in the
+	 * host HRFID. We could synthesize a TM Bad Thing back to the L1
+	 * here but there doesn't seem like much point.
+	 */
+	if (MSR_TM_SUSPENDED(vcpu->arch.shregs.msr)) {
+		if (!MSR_TM_ACTIVE(l2_regs.msr))
+			return H_BAD_MODE;
+	} else {
+		if (l2_regs.msr & MSR_TS_MASK)
+			return H_BAD_MODE;
+		if (WARN_ON_ONCE(vcpu->arch.shregs.msr & MSR_TS_MASK))
+			return H_BAD_MODE;
+	}
+
 	/* translate lpid */
 	l2 = kvmhv_get_nested(vcpu->kvm, l2_hv.lpid, true);
 	if (!l2)

arch/powerpc/kvm/book3s_hv_p9_entry.c

@@ -317,6 +317,9 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc
 	 */
 	mtspr(SPRN_HDEC, hdec);
 
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+tm_return_to_guest:
+#endif
 	mtspr(SPRN_DAR, vcpu->arch.shregs.dar);
 	mtspr(SPRN_DSISR, vcpu->arch.shregs.dsisr);
 	mtspr(SPRN_SRR0, vcpu->arch.shregs.srr0);
@@ -415,11 +418,23 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc
 		 * is in real suspend mode and is trying to transition to
 		 * transactional mode.
 		 */
-		if (local_paca->kvm_hstate.fake_suspend &&
+		if (!local_paca->kvm_hstate.fake_suspend &&
 				(vcpu->arch.shregs.msr & MSR_TS_S)) {
 			if (kvmhv_p9_tm_emulation_early(vcpu)) {
-				/* Prevent it being handled again. */
+				/*
-				trap = 0;
+				 * Go straight back into the guest with the
+				 * new NIP/MSR as set by TM emulation.
+				 */
+				mtspr(SPRN_HSRR0, vcpu->arch.regs.nip);
+				mtspr(SPRN_HSRR1, vcpu->arch.shregs.msr);
+
+				/*
+				 * tm_return_to_guest re-loads SRR0/1, DAR,
+				 * DSISR after RI is cleared, in case they had
+				 * been clobbered by a MCE.
+				 */
+				__mtmsrd(0, 1); /* clear RI */
+				goto tm_return_to_guest;
 			}
 		}
 #endif
@@ -499,6 +514,10 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc
 	 * If we are in real mode, only switch MMU on after the MMU is
 	 * switched to host, to avoid the P9_RADIX_PREFETCH_BUG.
 	 */
+	if (IS_ENABLED(CONFIG_PPC_TRANSACTIONAL_MEM) &&
+	    vcpu->arch.shregs.msr & MSR_TS_MASK)
+		msr |= MSR_TS_S;
+
 	__mtmsrd(msr, 0);
 
 	end_timing(vcpu);

arch/powerpc/kvm/book3s_rtas.c

@@ -242,6 +242,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu)
 	 * value so we can restore it on the way out.
 	 */
 	orig_rets = args.rets;
+	if (be32_to_cpu(args.nargs) >= ARRAY_SIZE(args.args)) {
+		/*
+		 * Don't overflow our args array: ensure there is room for
+		 * at least rets[0] (even if the call specifies 0 nret).
+		 *
+		 * Each handler must then check for the correct nargs and nret
+		 * values, but they may always return failure in rets[0].
+		 */
+		rc = -EINVAL;
+		goto fail;
+	}
 	args.rets = &args.args[be32_to_cpu(args.nargs)];
 
 	mutex_lock(&vcpu->kvm->arch.rtas_token_lock);
@@ -269,9 +280,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu)
 fail:
 	/*
 	 * We only get here if the guest has called RTAS with a bogus
-	 * args pointer. That means we can't get to the args, and so we
+	 * args pointer or nargs/nret values that would overflow the
-	 * can't fail the RTAS call. So fail right out to userspace,
+	 * array. That means we can't get to the args, and so we can't
-	 * which should kill the guest.
+	 * fail the RTAS call. So fail right out to userspace, which
+	 * should kill the guest.
+	 *
+	 * SLOF should actually pass the hcall return value from the
+	 * rtas handler call in r3, so enter_rtas could be modified to
+	 * return a failure indication in r3 and we could return such
+	 * errors to the guest rather than failing to host userspace.
+	 * However old guests that don't test for failure could then
+	 * continue silently after errors, so for now we won't do this.
 	 */
 	return rc;
 }

arch/powerpc/mm/nohash/8xx.c

@@ -240,3 +240,13 @@ void __init setup_kuap(bool disabled)
 	mtspr(SPRN_MD_AP, MD_APG_KUAP);
 }
 #endif
+
+int pud_clear_huge(pud_t *pud)
+{
+	 return 0;
+}
+
+int pmd_clear_huge(pmd_t *pmd)
+{
+	 return 0;
+}

arch/powerpc/platforms/pasemi/idle.c

@@ -42,6 +42,7 @@ static int pasemi_system_reset_exception(struct pt_regs *regs)
 	switch (regs->msr & SRR1_WAKEMASK) {
 	case SRR1_WAKEDEC:
 		set_dec(1);
+		break;
 	case SRR1_WAKEEE:
 		/*
 		 * Handle these when interrupts get re-enabled and we take

arch/riscv/include/asm/efi.h

@@ -27,10 +27,10 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md);
 
 #define ARCH_EFI_IRQ_FLAGS_MASK (SR_IE | SR_SPIE)
 
-/* Load initrd at enough distance from DRAM start */
+/* Load initrd anywhere in system RAM */
 static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
 {
-	return image_addr + SZ_256M;
+	return ULONG_MAX;
 }
 
 #define alloc_screen_info(x...)		(&screen_info)

arch/riscv/kernel/stacktrace.c

@@ -132,8 +132,12 @@ unsigned long get_wchan(struct task_struct *task)
 {
 	unsigned long pc = 0;
 
-	if (likely(task && task != current && !task_is_running(task)))
+	if (likely(task && task != current && !task_is_running(task))) {
+		if (!try_get_task_stack(task))
+			return 0;
 		walk_stackframe(task, NULL, save_wchan, &pc);
+		put_task_stack(task);
+	}
 	return pc;
 }
 

arch/riscv/lib/uaccess.S

@@ -30,23 +30,23 @@ ENTRY(__asm_copy_from_user)
 	 * t0 - end of uncopied dst
 	 */
 	add	t0, a0, a2
-	bgtu	a0, t0, 5f
 
 	/*
 	 * Use byte copy only if too small.
+	 * SZREG holds 4 for RV32 and 8 for RV64
 	 */
-	li	a3, 8*SZREG /* size must be larger than size in word_copy */
+	li	a3, 9*SZREG /* size must be larger than size in word_copy */
 	bltu	a2, a3, .Lbyte_copy_tail
 
 	/*
-	 * Copy first bytes until dst is align to word boundary.
+	 * Copy first bytes until dst is aligned to word boundary.
 	 * a0 - start of dst
 	 * t1 - start of aligned dst
 	 */
 	addi	t1, a0, SZREG-1
 	andi	t1, t1, ~(SZREG-1)
 	/* dst is already aligned, skip */
-	beq	a0, t1, .Lskip_first_bytes
+	beq	a0, t1, .Lskip_align_dst
 1:
 	/* a5 - one byte for copying data */
 	fixup lb      a5, 0(a1), 10f
@@ -55,7 +55,7 @@ ENTRY(__asm_copy_from_user)
 	addi	a0, a0, 1	/* dst */
 	bltu	a0, t1, 1b	/* t1 - start of aligned dst */
 
-.Lskip_first_bytes:
+.Lskip_align_dst:
 	/*
 	 * Now dst is aligned.
 	 * Use shift-copy if src is misaligned.
@@ -72,10 +72,9 @@ ENTRY(__asm_copy_from_user)
 	 *
 	 * a0 - start of aligned dst
 	 * a1 - start of aligned src
-	 * a3 - a1 & mask:(SZREG-1)
 	 * t0 - end of aligned dst
 	 */
-	addi	t0, t0, -(8*SZREG-1) /* not to over run */
+	addi	t0, t0, -(8*SZREG) /* not to over run */
 2:
 	fixup REG_L   a4,        0(a1), 10f
 	fixup REG_L   a5,    SZREG(a1), 10f
@@ -97,7 +96,7 @@ ENTRY(__asm_copy_from_user)
 	addi	a1, a1, 8*SZREG
 	bltu	a0, t0, 2b
 
-	addi	t0, t0, 8*SZREG-1 /* revert to original value */
+	addi	t0, t0, 8*SZREG /* revert to original value */
 	j	.Lbyte_copy_tail
 
 .Lshift_copy:
@@ -107,7 +106,7 @@ ENTRY(__asm_copy_from_user)
 	 * For misaligned copy we still perform aligned word copy, but
 	 * we need to use the value fetched from the previous iteration and
 	 * do some shifts.
-	 * This is safe because reading less than a word size.
+	 * This is safe because reading is less than a word size.
 	 *
 	 * a0 - start of aligned dst
 	 * a1 - start of src
@@ -117,7 +116,7 @@ ENTRY(__asm_copy_from_user)
 	 */
 	/* calculating aligned word boundary for dst */
 	andi	t1, t0, ~(SZREG-1)
-	/* Converting unaligned src to aligned arc */
+	/* Converting unaligned src to aligned src */
 	andi	a1, a1, ~(SZREG-1)
 
 	/*
@@ -125,11 +124,11 @@ ENTRY(__asm_copy_from_user)
 	 * t3 - prev shift
 	 * t4 - current shift
 	 */
-	slli	t3, a3, LGREG
+	slli	t3, a3, 3 /* converting bytes in a3 to bits */
 	li	a5, SZREG*8
 	sub	t4, a5, t3
 
-	/* Load the first word to combine with seceond word */
+	/* Load the first word to combine with second word */
 	fixup REG_L   a5, 0(a1), 10f
 
 3:
@@ -161,7 +160,7 @@ ENTRY(__asm_copy_from_user)
 	 * a1 - start of remaining src
 	 * t0 - end of remaining dst
 	 */
-	bgeu	a0, t0, 5f
+	bgeu	a0, t0, .Lout_copy_user  /* check if end of copy */
 4:
 	fixup lb      a5, 0(a1), 10f
 	addi	a1, a1, 1	/* src */
@@ -169,7 +168,7 @@ ENTRY(__asm_copy_from_user)
 	addi	a0, a0, 1	/* dst */
 	bltu	a0, t0, 4b	/* t0 - end of dst */
 
-5:
+.Lout_copy_user:
 	/* Disable access to user memory */
 	csrc CSR_STATUS, t6
 	li	a0, 0

arch/riscv/mm/init.c

@@ -127,10 +127,17 @@ void __init mem_init(void)
 }
 
 /*
- * The default maximal physical memory size is -PAGE_OFFSET,
+ * The default maximal physical memory size is -PAGE_OFFSET for 32-bit kernel,
- * limit the memory size via mem.
+ * whereas for 64-bit kernel, the end of the virtual address space is occupied
+ * by the modules/BPF/kernel mappings which reduces the available size of the
+ * linear mapping.
+ * Limit the memory size via mem.
  */
+#ifdef CONFIG_64BIT
+static phys_addr_t memory_limit = -PAGE_OFFSET - SZ_4G;
+#else
 static phys_addr_t memory_limit = -PAGE_OFFSET;
+#endif
 
 static int __init early_mem(char *p)
 {
@@ -152,7 +159,7 @@ static void __init setup_bootmem(void)
 {
 	phys_addr_t vmlinux_end = __pa_symbol(&_end);
 	phys_addr_t vmlinux_start = __pa_symbol(&_start);
-	phys_addr_t max_mapped_addr = __pa(~(ulong)0);
+	phys_addr_t __maybe_unused max_mapped_addr;
 	phys_addr_t dram_end;
 
 #ifdef CONFIG_XIP_KERNEL
@@ -175,14 +182,21 @@ static void __init setup_bootmem(void)
 	memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start);
 
 	dram_end = memblock_end_of_DRAM();
+
+#ifndef CONFIG_64BIT
 	/*
 	 * memblock allocator is not aware of the fact that last 4K bytes of
 	 * the addressable memory can not be mapped because of IS_ERR_VALUE
 	 * macro. Make sure that last 4k bytes are not usable by memblock
-	 * if end of dram is equal to maximum addressable memory.
+	 * if end of dram is equal to maximum addressable memory.  For 64-bit
+	 * kernel, this problem can't happen here as the end of the virtual
+	 * address space is occupied by the kernel mapping then this check must
+	 * be done in create_kernel_page_table.
 	 */
+	max_mapped_addr = __pa(~(ulong)0);
 	if (max_mapped_addr == (dram_end - 1))
 		memblock_set_current_limit(max_mapped_addr - 4096);
+#endif
 
 	min_low_pfn = PFN_UP(memblock_start_of_DRAM());
 	max_low_pfn = max_pfn = PFN_DOWN(dram_end);
@@ -570,6 +584,14 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa)
 	BUG_ON((PAGE_OFFSET % PGDIR_SIZE) != 0);
 	BUG_ON((kernel_map.phys_addr % map_size) != 0);
 
+#ifdef CONFIG_64BIT
+	/*
+	 * The last 4K bytes of the addressable memory can not be mapped because
+	 * of IS_ERR_VALUE macro.
+	 */
+	BUG_ON((kernel_map.virt_addr + kernel_map.size) > ADDRESS_SPACE_END - SZ_4K);
+#endif
+
 	pt_ops.alloc_pte = alloc_pte_early;
 	pt_ops.get_pte_virt = get_pte_virt_early;
 #ifndef __PAGETABLE_PMD_FOLDED
@@ -709,6 +731,8 @@ static void __init setup_vm_final(void)
 		if (start <= __pa(PAGE_OFFSET) &&
 		    __pa(PAGE_OFFSET) < end)
 			start = __pa(PAGE_OFFSET);
+		if (end >= __pa(PAGE_OFFSET) + memory_limit)
+			end = __pa(PAGE_OFFSET) + memory_limit;
 
 		map_size = best_map_size(start, end - start);
 		for (pa = start; pa < end; pa += map_size) {

arch/s390/boot/text_dma.S

@@ -9,16 +9,6 @@
 #include <asm/errno.h>
 #include <asm/sigp.h>
 
-#ifdef CC_USING_EXPOLINE
-	.pushsection .dma.text.__s390_indirect_jump_r14,"axG"
-__dma__s390_indirect_jump_r14:
-	larl	%r1,0f
-	ex	0,0(%r1)
-	j	.
-0:	br	%r14
-	.popsection
-#endif
-
 	.section .dma.text,"ax"
 /*
  * Simplified version of expoline thunk. The normal thunks can not be used here,
@@ -27,11 +17,10 @@ __dma__s390_indirect_jump_r14:
  * affects a few functions that are not performance-relevant.
  */
 	.macro BR_EX_DMA_r14
-#ifdef CC_USING_EXPOLINE
+	larl	%r1,0f
-	jg	__dma__s390_indirect_jump_r14
+	ex	0,0(%r1)
-#else
+	j	.
-	br	%r14
+0:	br	%r14
-#endif
 	.endm
 
 /*

arch/s390/configs/debug_defconfig

@@ -5,7 +5,12 @@ CONFIG_WATCH_QUEUE=y
 CONFIG_AUDIT=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_LSM=y
 CONFIG_PREEMPT=y
+CONFIG_SCHED_CORE=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_TASKSTATS=y
@@ -28,14 +33,13 @@ CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
 CONFIG_CGROUP_PERF=y
 CONFIG_CGROUP_BPF=y
+CONFIG_CGROUP_MISC=y
 CONFIG_NAMESPACES=y
 CONFIG_USER_NS=y
 CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_EXPERT=y
 # CONFIG_SYSFS_SYSCALL is not set
-CONFIG_BPF_LSM=y
-CONFIG_BPF_SYSCALL=y
 CONFIG_USERFAULTFD=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_PROFILING=y
@@ -76,6 +80,7 @@ CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_BLK_WBT=y
 CONFIG_BLK_CGROUP_IOLATENCY=y
 CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_CGROUP_IOPRIO=y
 CONFIG_BLK_INLINE_ENCRYPTION=y
 CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
 CONFIG_PARTITION_ADVANCED=y
@@ -95,6 +100,7 @@ CONFIG_CLEANCACHE=y
 CONFIG_FRONTSWAP=y
 CONFIG_CMA_DEBUG=y
 CONFIG_CMA_DEBUGFS=y
+CONFIG_CMA_SYSFS=y
 CONFIG_CMA_AREAS=7
 CONFIG_MEM_SOFT_DIRTY=y
 CONFIG_ZSWAP=y
@@ -158,6 +164,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y
 CONFIG_MPTCP=y
 CONFIG_NETFILTER=y
 CONFIG_BRIDGE_NETFILTER=m
+CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_SECMARK=y
 CONFIG_NF_CONNTRACK_EVENTS=y
@@ -280,6 +287,7 @@ CONFIG_IP_VS_FTP=m
 CONFIG_IP_VS_PE_SIP=m
 CONFIG_NFT_FIB_IPV4=m
 CONFIG_NF_TABLES_ARP=y
+CONFIG_NF_LOG_IPV4=m
 CONFIG_IP_NF_IPTABLES=m
 CONFIG_IP_NF_MATCH_AH=m
 CONFIG_IP_NF_MATCH_ECN=m
@@ -384,12 +392,11 @@ CONFIG_VSOCKETS=m
 CONFIG_VIRTIO_VSOCKETS=m
 CONFIG_NETLINK_DIAG=m
 CONFIG_CGROUP_NET_PRIO=y
-CONFIG_BPF_JIT=y
 CONFIG_NET_PKTGEN=m
 CONFIG_PCI=y
-CONFIG_PCI_IOV=y
 # CONFIG_PCIEASPM is not set
 CONFIG_PCI_DEBUG=y
+CONFIG_PCI_IOV=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_S390=y
 CONFIG_DEVTMPFS=y
@@ -436,7 +443,7 @@ CONFIG_MD_MULTIPATH=m
 CONFIG_MD_FAULTY=m
 CONFIG_MD_CLUSTER=m
 CONFIG_BCACHE=m
-CONFIG_BLK_DEV_DM=m
+CONFIG_BLK_DEV_DM=y
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
@@ -453,6 +460,7 @@ CONFIG_DM_MULTIPATH_ST=m
 CONFIG_DM_MULTIPATH_HST=m
 CONFIG_DM_MULTIPATH_IOA=m
 CONFIG_DM_DELAY=m
+CONFIG_DM_INIT=y
 CONFIG_DM_UEVENT=y
 CONFIG_DM_FLAKEY=m
 CONFIG_DM_VERITY=m
@@ -495,6 +503,7 @@ CONFIG_NLMON=m
 # CONFIG_NET_VENDOR_GOOGLE is not set
 # CONFIG_NET_VENDOR_HUAWEI is not set
 # CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MICROSOFT is not set
 # CONFIG_NET_VENDOR_MARVELL is not set
 CONFIG_MLX4_EN=m
 CONFIG_MLX5_CORE=m
@@ -551,7 +560,6 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_LEGACY_PTY_COUNT=0
 CONFIG_VIRTIO_CONSOLE=m
 CONFIG_HW_RANDOM_VIRTIO=m
-CONFIG_RAW_DRIVER=m
 CONFIG_HANGCHECK_TIMER=m
 CONFIG_TN3270_FS=y
 CONFIG_PPS=m
@@ -574,7 +582,6 @@ CONFIG_SYNC_FILE=y
 CONFIG_VFIO=m
 CONFIG_VFIO_PCI=m
 CONFIG_VFIO_MDEV=m
-CONFIG_VFIO_MDEV_DEVICE=m
 CONFIG_VIRTIO_PCI=m
 CONFIG_VIRTIO_BALLOON=m
 CONFIG_VIRTIO_INPUT=y
@@ -619,6 +626,7 @@ CONFIG_FUSE_FS=y
 CONFIG_CUSE=m
 CONFIG_VIRTIO_FS=m
 CONFIG_OVERLAY_FS=m
+CONFIG_NETFS_STATS=y
 CONFIG_FSCACHE=m
 CONFIG_CACHEFILES=m
 CONFIG_ISO9660_FS=y
@@ -654,7 +662,6 @@ CONFIG_NFSD_V3_ACL=y
 CONFIG_NFSD_V4=y
 CONFIG_NFSD_V4_SECURITY_LABEL=y
 CONFIG_CIFS=m
-CONFIG_CIFS_STATS2=y
 CONFIG_CIFS_WEAK_PW_HASH=y
 CONFIG_CIFS_UPCALL=y
 CONFIG_CIFS_XATTR=y
@@ -682,6 +689,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y
 CONFIG_SECURITY_SELINUX_DISABLE=y
 CONFIG_SECURITY_LOCKDOWN_LSM=y
 CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
+CONFIG_SECURITY_LANDLOCK=y
 CONFIG_INTEGRITY_SIGNATURE=y
 CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
 CONFIG_IMA=y
@@ -696,6 +704,7 @@ CONFIG_CRYPTO_CRYPTD=m
 CONFIG_CRYPTO_TEST=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
+CONFIG_CRYPTO_ECDSA=m
 CONFIG_CRYPTO_ECRDSA=m
 CONFIG_CRYPTO_SM2=m
 CONFIG_CRYPTO_CURVE25519=m
@@ -843,7 +852,6 @@ CONFIG_FAULT_INJECTION_DEBUG_FS=y
 CONFIG_FAIL_FUNCTION=y
 CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
 CONFIG_LKDTM=m
-CONFIG_TEST_LIST_SORT=y
 CONFIG_TEST_MIN_HEAP=y
 CONFIG_TEST_SORT=y
 CONFIG_KPROBES_SANITY_TEST=y
@@ -853,3 +861,4 @@ CONFIG_PERCPU_TEST=m
 CONFIG_ATOMIC64_SELFTEST=y
 CONFIG_TEST_BITOPS=m
 CONFIG_TEST_BPF=m
+CONFIG_TEST_LIVEPATCH=m

arch/s390/configs/defconfig

@@ -4,6 +4,11 @@ CONFIG_WATCH_QUEUE=y
 CONFIG_AUDIT=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_LSM=y
+CONFIG_SCHED_CORE=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_TASKSTATS=y
@@ -26,14 +31,13 @@ CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
 CONFIG_CGROUP_PERF=y
 CONFIG_CGROUP_BPF=y
+CONFIG_CGROUP_MISC=y
 CONFIG_NAMESPACES=y
 CONFIG_USER_NS=y
 CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_EXPERT=y
 # CONFIG_SYSFS_SYSCALL is not set
-CONFIG_BPF_LSM=y
-CONFIG_BPF_SYSCALL=y
 CONFIG_USERFAULTFD=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_PROFILING=y
@@ -70,6 +74,7 @@ CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_BLK_WBT=y
 CONFIG_BLK_CGROUP_IOLATENCY=y
 CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_CGROUP_IOPRIO=y
 CONFIG_BLK_INLINE_ENCRYPTION=y
 CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
 CONFIG_PARTITION_ADVANCED=y
@@ -87,6 +92,7 @@ CONFIG_KSM=y
 CONFIG_TRANSPARENT_HUGEPAGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_FRONTSWAP=y
+CONFIG_CMA_SYSFS=y
 CONFIG_CMA_AREAS=7
 CONFIG_MEM_SOFT_DIRTY=y
 CONFIG_ZSWAP=y
@@ -149,6 +155,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y
 CONFIG_MPTCP=y
 CONFIG_NETFILTER=y
 CONFIG_BRIDGE_NETFILTER=m
+CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_SECMARK=y
 CONFIG_NF_CONNTRACK_EVENTS=y
@@ -271,6 +278,7 @@ CONFIG_IP_VS_FTP=m
 CONFIG_IP_VS_PE_SIP=m
 CONFIG_NFT_FIB_IPV4=m
 CONFIG_NF_TABLES_ARP=y
+CONFIG_NF_LOG_IPV4=m
 CONFIG_IP_NF_IPTABLES=m
 CONFIG_IP_NF_MATCH_AH=m
 CONFIG_IP_NF_MATCH_ECN=m
@@ -374,11 +382,10 @@ CONFIG_VSOCKETS=m
 CONFIG_VIRTIO_VSOCKETS=m
 CONFIG_NETLINK_DIAG=m
 CONFIG_CGROUP_NET_PRIO=y
-CONFIG_BPF_JIT=y
 CONFIG_NET_PKTGEN=m
 CONFIG_PCI=y
-CONFIG_PCI_IOV=y
 # CONFIG_PCIEASPM is not set
+CONFIG_PCI_IOV=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_S390=y
 CONFIG_UEVENT_HELPER=y
@@ -427,7 +434,7 @@ CONFIG_MD_MULTIPATH=m
 CONFIG_MD_FAULTY=m
 CONFIG_MD_CLUSTER=m
 CONFIG_BCACHE=m
-CONFIG_BLK_DEV_DM=m
+CONFIG_BLK_DEV_DM=y
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
@@ -444,6 +451,7 @@ CONFIG_DM_MULTIPATH_ST=m
 CONFIG_DM_MULTIPATH_HST=m
 CONFIG_DM_MULTIPATH_IOA=m
 CONFIG_DM_DELAY=m
+CONFIG_DM_INIT=y
 CONFIG_DM_UEVENT=y
 CONFIG_DM_FLAKEY=m
 CONFIG_DM_VERITY=m
@@ -487,6 +495,7 @@ CONFIG_NLMON=m
 # CONFIG_NET_VENDOR_GOOGLE is not set
 # CONFIG_NET_VENDOR_HUAWEI is not set
 # CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MICROSOFT is not set
 # CONFIG_NET_VENDOR_MARVELL is not set
 CONFIG_MLX4_EN=m
 CONFIG_MLX5_CORE=m
@@ -543,7 +552,6 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_LEGACY_PTY_COUNT=0
 CONFIG_VIRTIO_CONSOLE=m
 CONFIG_HW_RANDOM_VIRTIO=m
-CONFIG_RAW_DRIVER=m
 CONFIG_HANGCHECK_TIMER=m
 CONFIG_TN3270_FS=y
 # CONFIG_PTP_1588_CLOCK is not set
@@ -566,7 +574,6 @@ CONFIG_SYNC_FILE=y
 CONFIG_VFIO=m
 CONFIG_VFIO_PCI=m
 CONFIG_VFIO_MDEV=m
-CONFIG_VFIO_MDEV_DEVICE=m
 CONFIG_VIRTIO_PCI=m
 CONFIG_VIRTIO_BALLOON=m
 CONFIG_VIRTIO_INPUT=y
@@ -607,6 +614,7 @@ CONFIG_FUSE_FS=y
 CONFIG_CUSE=m
 CONFIG_VIRTIO_FS=m
 CONFIG_OVERLAY_FS=m
+CONFIG_NETFS_STATS=y
 CONFIG_FSCACHE=m
 CONFIG_CACHEFILES=m
 CONFIG_ISO9660_FS=y
@@ -642,7 +650,6 @@ CONFIG_NFSD_V3_ACL=y
 CONFIG_NFSD_V4=y
 CONFIG_NFSD_V4_SECURITY_LABEL=y
 CONFIG_CIFS=m
-CONFIG_CIFS_STATS2=y
 CONFIG_CIFS_WEAK_PW_HASH=y
 CONFIG_CIFS_UPCALL=y
 CONFIG_CIFS_XATTR=y
@@ -669,6 +676,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y
 CONFIG_SECURITY_SELINUX_DISABLE=y
 CONFIG_SECURITY_LOCKDOWN_LSM=y
 CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
+CONFIG_SECURITY_LANDLOCK=y
 CONFIG_INTEGRITY_SIGNATURE=y
 CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
 CONFIG_IMA=y
@@ -684,6 +692,7 @@ CONFIG_CRYPTO_CRYPTD=m
 CONFIG_CRYPTO_TEST=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
+CONFIG_CRYPTO_ECDSA=m
 CONFIG_CRYPTO_ECRDSA=m
 CONFIG_CRYPTO_SM2=m
 CONFIG_CRYPTO_CURVE25519=m
@@ -754,6 +763,7 @@ CONFIG_CRC8=m
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=0
 CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_INFO_DWARF4=y
 CONFIG_GDB_SCRIPTS=y
@@ -781,3 +791,4 @@ CONFIG_LKDTM=m
 CONFIG_PERCPU_TEST=m
 CONFIG_ATOMIC64_SELFTEST=y
 CONFIG_TEST_BPF=m
+CONFIG_TEST_LIVEPATCH=m

arch/s390/configs/zfcpdump_defconfig

@@ -29,9 +29,9 @@ CONFIG_PARTITION_ADVANCED=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_COMPACTION is not set
 # CONFIG_MIGRATION is not set
-# CONFIG_BOUNCE is not set
 CONFIG_NET=y
 # CONFIG_IUCV is not set
+# CONFIG_PCPU_DEV_REFCNT is not set
 # CONFIG_ETHTOOL_NETLINK is not set
 CONFIG_DEVTMPFS=y
 CONFIG_BLK_DEV_RAM=y
@@ -51,7 +51,6 @@ CONFIG_ZFCP=y
 # CONFIG_SERIO is not set
 # CONFIG_HVC_IUCV is not set
 # CONFIG_HW_RANDOM_S390 is not set
-CONFIG_RAW_DRIVER=y
 # CONFIG_HMC_DRV is not set
 # CONFIG_S390_TAPE is not set
 # CONFIG_VMCP is not set

arch/s390/include/asm/ftrace.h

@@ -19,6 +19,7 @@ void ftrace_caller(void);
 
 extern char ftrace_graph_caller_end;
 extern unsigned long ftrace_plt;
+extern void *ftrace_func;
 
 struct dyn_arch_ftrace { };
 

arch/s390/kernel/ftrace.c

@@ -40,6 +40,7 @@
  * trampoline (ftrace_plt), which clobbers also r1.
  */
 
+void *ftrace_func __read_mostly = ftrace_stub;
 unsigned long ftrace_plt;
 
 int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
@@ -85,6 +86,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
 
 int ftrace_update_ftrace_func(ftrace_func_t func)
 {
+	ftrace_func = func;
 	return 0;
 }
 

arch/s390/kernel/mcount.S

@@ -59,13 +59,13 @@ ENTRY(ftrace_caller)
 #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
 	aghik	%r2,%r0,-MCOUNT_INSN_SIZE
 	lgrl	%r4,function_trace_op
-	lgrl	%r1,ftrace_trace_function
+	lgrl	%r1,ftrace_func
 #else
 	lgr	%r2,%r0
 	aghi	%r2,-MCOUNT_INSN_SIZE
 	larl	%r4,function_trace_op
 	lg	%r4,0(%r4)
-	larl	%r1,ftrace_trace_function
+	larl	%r1,ftrace_func
 	lg	%r1,0(%r1)
 #endif
 	lgr	%r3,%r14

arch/s390/kernel/perf_cpum_cf.c

@@ -745,7 +745,7 @@ static int __init cpumf_pmu_init(void)
 	if (!cf_dbg) {
 		pr_err("Registration of s390dbf(cpum_cf) failed\n");
 		return -ENOMEM;
-	};
+	}
 	debug_register_view(cf_dbg, &debug_sprintf_view);
 
 	cpumf_pmu.attr_groups = cpumf_cf_event_group();

arch/s390/kernel/vdso32/Makefile

@@ -29,6 +29,7 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32)
 $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
 
 obj-y += vdso32_wrapper.o
+targets += vdso32.lds
 CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
 
 # Disable gcov profiling, ubsan and kasan for VDSO code

arch/x86/kernel/cpu/mshyperv.c

@@ -237,7 +237,7 @@ static void __init hv_smp_prepare_cpus(unsigned int max_cpus)
 	for_each_present_cpu(i) {
 		if (i == 0)
 			continue;
-		ret = hv_call_add_logical_proc(numa_cpu_node(i), i, i);
+		ret = hv_call_add_logical_proc(numa_cpu_node(i), i, cpu_physical_id(i));
 		BUG_ON(ret);
 	}
 

arch/x86/kernel/jump_label.c

@@ -79,9 +79,10 @@ __jump_label_patch(struct jump_entry *entry, enum jump_label_type type)
 	return (struct jump_label_patch){.code = code, .size = size};
 }
 
-static inline void __jump_label_transform(struct jump_entry *entry,
+static __always_inline void
-					  enum jump_label_type type,
+__jump_label_transform(struct jump_entry *entry,
-					  int init)
+		       enum jump_label_type type,
+		       int init)
 {
 	const struct jump_label_patch jlp = __jump_label_patch(entry, type);
 

arch/x86/mm/pgtable.c

@@ -682,7 +682,6 @@ int p4d_clear_huge(p4d_t *p4d)
 }
 #endif
 
-#if CONFIG_PGTABLE_LEVELS > 3
 /**
  * pud_set_huge - setup kernel PUD mapping
  *
@@ -721,23 +720,6 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
 	return 1;
 }
 
-/**
- * pud_clear_huge - clear kernel PUD mapping when it is set
- *
- * Returns 1 on success and 0 on failure (no PUD map is found).
- */
-int pud_clear_huge(pud_t *pud)
-{
-	if (pud_large(*pud)) {
-		pud_clear(pud);
-		return 1;
-	}
-
-	return 0;
-}
-#endif
-
-#if CONFIG_PGTABLE_LEVELS > 2
 /**
  * pmd_set_huge - setup kernel PMD mapping
  *
@@ -768,6 +750,21 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot)
 	return 1;
 }
 
+/**
+ * pud_clear_huge - clear kernel PUD mapping when it is set
+ *
+ * Returns 1 on success and 0 on failure (no PUD map is found).
+ */
+int pud_clear_huge(pud_t *pud)
+{
+	if (pud_large(*pud)) {
+		pud_clear(pud);
+		return 1;
+	}
+
+	return 0;
+}
+
 /**
  * pmd_clear_huge - clear kernel PMD mapping when it is set
  *
@@ -782,7 +779,6 @@ int pmd_clear_huge(pmd_t *pmd)
 
 	return 0;
 }
-#endif
 
 #ifdef CONFIG_X86_64
 /**

drivers/acpi/Kconfig

@@ -370,7 +370,7 @@ config ACPI_TABLE_UPGRADE
 config ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD
 	bool "Override ACPI tables from built-in initrd"
 	depends on ACPI_TABLE_UPGRADE
-	depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION=""
+	depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION_NONE
 	help
 	  This option provides functionality to override arbitrary ACPI tables
 	  from built-in uncompressed initrd.

drivers/acpi/utils.c

@@ -860,11 +860,9 @@ EXPORT_SYMBOL(acpi_dev_present);
  * Return the next match of ACPI device if another matching device was present
  * at the moment of invocation, or NULL otherwise.
  *
- * FIXME: The function does not tolerate the sudden disappearance of @adev, e.g.
- * in the case of a hotplug event. That said, the caller should ensure that
- * this will never happen.
- *
  * The caller is responsible for invoking acpi_dev_put() on the returned device.
+ * On the other hand the function invokes  acpi_dev_put() on the given @adev
+ * assuming that its reference counter had been increased beforehand.
  *
  * See additional information in acpi_dev_present() as well.
  */
@@ -880,6 +878,7 @@ acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const cha
 	match.hrv = hrv;
 
 	dev = bus_find_device(&acpi_bus_type, start, &match, acpi_dev_match_cb);
+	acpi_dev_put(adev);
 	return dev ? to_acpi_device(dev) : NULL;
 }
 EXPORT_SYMBOL(acpi_dev_get_next_match_dev);

drivers/base/auxiliary.c

@@ -231,6 +231,8 @@ EXPORT_SYMBOL_GPL(auxiliary_find_device);
 int __auxiliary_driver_register(struct auxiliary_driver *auxdrv,
 				struct module *owner, const char *modname)
 {
+	int ret;
+
 	if (WARN_ON(!auxdrv->probe) || WARN_ON(!auxdrv->id_table))
 		return -EINVAL;
 
@@ -246,7 +248,11 @@ int __auxiliary_driver_register(struct auxiliary_driver *auxdrv,
 	auxdrv->driver.bus = &auxiliary_bus_type;
 	auxdrv->driver.mod_name = modname;
 
-	return driver_register(&auxdrv->driver);
+	ret = driver_register(&auxdrv->driver);
+	if (ret)
+		kfree(auxdrv->driver.name);
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(__auxiliary_driver_register);
 

drivers/base/core.c

@@ -574,8 +574,10 @@ static void devlink_remove_symlinks(struct device *dev,
 		return;
 	}
 
-	snprintf(buf, len, "supplier:%s:%s", dev_bus_name(sup), dev_name(sup));
+	if (device_is_registered(con)) {
-	sysfs_remove_link(&con->kobj, buf);
+		snprintf(buf, len, "supplier:%s:%s", dev_bus_name(sup), dev_name(sup));
+		sysfs_remove_link(&con->kobj, buf);
+	}
 	snprintf(buf, len, "consumer:%s:%s", dev_bus_name(con), dev_name(con));
 	sysfs_remove_link(&sup->kobj, buf);
 	kfree(buf);

drivers/block/rbd.c

@@ -4100,8 +4100,6 @@ static void rbd_acquire_lock(struct work_struct *work)
 
 static bool rbd_quiesce_lock(struct rbd_device *rbd_dev)
 {
-	bool need_wait;
-
 	dout("%s rbd_dev %p\n", __func__, rbd_dev);
 	lockdep_assert_held_write(&rbd_dev->lock_rwsem);
 
@@ -4113,11 +4111,11 @@ static bool rbd_quiesce_lock(struct rbd_device *rbd_dev)
 	 */
 	rbd_dev->lock_state = RBD_LOCK_STATE_RELEASING;
 	rbd_assert(!completion_done(&rbd_dev->releasing_wait));
-	need_wait = !list_empty(&rbd_dev->running_list);
+	if (list_empty(&rbd_dev->running_list))
-	downgrade_write(&rbd_dev->lock_rwsem);
+		return true;
-	if (need_wait)
+
-		wait_for_completion(&rbd_dev->releasing_wait);
+	up_write(&rbd_dev->lock_rwsem);
-	up_read(&rbd_dev->lock_rwsem);
+	wait_for_completion(&rbd_dev->releasing_wait);
 
 	down_write(&rbd_dev->lock_rwsem);
 	if (rbd_dev->lock_state != RBD_LOCK_STATE_RELEASING)
@@ -4203,15 +4201,11 @@ static void rbd_handle_acquired_lock(struct rbd_device *rbd_dev, u8 struct_v,
 	if (!rbd_cid_equal(&cid, &rbd_empty_cid)) {
 		down_write(&rbd_dev->lock_rwsem);
 		if (rbd_cid_equal(&cid, &rbd_dev->owner_cid)) {
-			/*
+			dout("%s rbd_dev %p cid %llu-%llu == owner_cid\n",
-			 * we already know that the remote client is
+			     __func__, rbd_dev, cid.gid, cid.handle);
-			 * the owner
+		} else {
-			 */
+			rbd_set_owner_cid(rbd_dev, &cid);
-			up_write(&rbd_dev->lock_rwsem);
-			return;
 		}
-
-		rbd_set_owner_cid(rbd_dev, &cid);
 		downgrade_write(&rbd_dev->lock_rwsem);
 	} else {
 		down_read(&rbd_dev->lock_rwsem);
@@ -4236,14 +4230,12 @@ static void rbd_handle_released_lock(struct rbd_device *rbd_dev, u8 struct_v,
 	if (!rbd_cid_equal(&cid, &rbd_empty_cid)) {
 		down_write(&rbd_dev->lock_rwsem);
 		if (!rbd_cid_equal(&cid, &rbd_dev->owner_cid)) {
-			dout("%s rbd_dev %p unexpected owner, cid %llu-%llu != owner_cid %llu-%llu\n",
+			dout("%s rbd_dev %p cid %llu-%llu != owner_cid %llu-%llu\n",
 			     __func__, rbd_dev, cid.gid, cid.handle,
 			     rbd_dev->owner_cid.gid, rbd_dev->owner_cid.handle);
-			up_write(&rbd_dev->lock_rwsem);
+		} else {
-			return;
+			rbd_set_owner_cid(rbd_dev, &rbd_empty_cid);
 		}
-
-		rbd_set_owner_cid(rbd_dev, &rbd_empty_cid);
 		downgrade_write(&rbd_dev->lock_rwsem);
 	} else {
 		down_read(&rbd_dev->lock_rwsem);
@@ -4951,6 +4943,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
 		disk->minors = RBD_MINORS_PER_MAJOR;
 	}
 	disk->fops = &rbd_bd_ops;
+	disk->private_data = rbd_dev;
 
 	blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
 	/* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */

drivers/bus/mhi/core/main.c

@@ -773,11 +773,18 @@ static void mhi_process_cmd_completion(struct mhi_controller *mhi_cntrl,
 	cmd_pkt = mhi_to_virtual(mhi_ring, ptr);
 
 	chan = MHI_TRE_GET_CMD_CHID(cmd_pkt);
-	mhi_chan = &mhi_cntrl->mhi_chan[chan];
+
-	write_lock_bh(&mhi_chan->lock);
+	if (chan < mhi_cntrl->max_chan &&
-	mhi_chan->ccs = MHI_TRE_GET_EV_CODE(tre);
+	    mhi_cntrl->mhi_chan[chan].configured) {
-	complete(&mhi_chan->completion);
+		mhi_chan = &mhi_cntrl->mhi_chan[chan];
-	write_unlock_bh(&mhi_chan->lock);
+		write_lock_bh(&mhi_chan->lock);
+		mhi_chan->ccs = MHI_TRE_GET_EV_CODE(tre);
+		complete(&mhi_chan->completion);
+		write_unlock_bh(&mhi_chan->lock);
+	} else {
+		dev_err(&mhi_cntrl->mhi_dev->dev,
+			"Completion packet for invalid channel ID: %d\n", chan);
+	}
 
 	mhi_del_ring_element(mhi_cntrl, mhi_ring);
 }

drivers/bus/mhi/pci_generic.c

@@ -32,6 +32,8 @@
  * @edl: emergency download mode firmware path (if any)
  * @bar_num: PCI base address register to use for MHI MMIO register space
  * @dma_data_width: DMA transfer word size (32 or 64 bits)
+ * @sideband_wake: Devices using dedicated sideband GPIO for wakeup instead
+ *		   of inband wake support (such as sdx24)
  */
 struct mhi_pci_dev_info {
 	const struct mhi_controller_config *config;
@@ -40,6 +42,7 @@ struct mhi_pci_dev_info {
 	const char *edl;
 	unsigned int bar_num;
 	unsigned int dma_data_width;
+	bool sideband_wake;
 };
 
 #define MHI_CHANNEL_CONFIG_UL(ch_num, ch_name, el_count, ev_ring) \
@@ -72,6 +75,22 @@ struct mhi_pci_dev_info {
 		.doorbell_mode_switch = false,		\
 	}
 
+#define MHI_CHANNEL_CONFIG_DL_AUTOQUEUE(ch_num, ch_name, el_count, ev_ring) \
+	{						\
+		.num = ch_num,				\
+		.name = ch_name,			\
+		.num_elements = el_count,		\
+		.event_ring = ev_ring,			\
+		.dir = DMA_FROM_DEVICE,			\
+		.ee_mask = BIT(MHI_EE_AMSS),		\
+		.pollcfg = 0,				\
+		.doorbell = MHI_DB_BRST_DISABLE,	\
+		.lpm_notify = false,			\
+		.offload_channel = false,		\
+		.doorbell_mode_switch = false,		\
+		.auto_queue = true,			\
+	}
+
 #define MHI_EVENT_CONFIG_CTRL(ev_ring, el_count) \
 	{					\
 		.num_elements = el_count,	\
@@ -210,7 +229,7 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
 	MHI_CHANNEL_CONFIG_UL(14, "QMI", 4, 0),
 	MHI_CHANNEL_CONFIG_DL(15, "QMI", 4, 0),
 	MHI_CHANNEL_CONFIG_UL(20, "IPCR", 8, 0),
-	MHI_CHANNEL_CONFIG_DL(21, "IPCR", 8, 0),
+	MHI_CHANNEL_CONFIG_DL_AUTOQUEUE(21, "IPCR", 8, 0),
 	MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
 	MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
 	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 2),
@@ -242,7 +261,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx65_info = {
 	.edl = "qcom/sdx65m/edl.mbn",
 	.config = &modem_qcom_v1_mhiv_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
-	.dma_data_width = 32
+	.dma_data_width = 32,
+	.sideband_wake = false,
 };
 
 static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
@@ -251,7 +271,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
 	.edl = "qcom/sdx55m/edl.mbn",
 	.config = &modem_qcom_v1_mhiv_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
-	.dma_data_width = 32
+	.dma_data_width = 32,
+	.sideband_wake = false,
 };
 
 static const struct mhi_pci_dev_info mhi_qcom_sdx24_info = {
@@ -259,7 +280,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx24_info = {
 	.edl = "qcom/prog_firehose_sdx24.mbn",
 	.config = &modem_qcom_v1_mhiv_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
-	.dma_data_width = 32
+	.dma_data_width = 32,
+	.sideband_wake = true,
 };
 
 static const struct mhi_channel_config mhi_quectel_em1xx_channels[] = {
@@ -301,7 +323,8 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
 	.edl = "qcom/prog_firehose_sdx24.mbn",
 	.config = &modem_quectel_em1xx_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
-	.dma_data_width = 32
+	.dma_data_width = 32,
+	.sideband_wake = true,
 };
 
 static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
@@ -339,7 +362,8 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
 	.edl = "qcom/sdx55m/edl.mbn",
 	.config = &modem_foxconn_sdx55_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
-	.dma_data_width = 32
+	.dma_data_width = 32,
+	.sideband_wake = false,
 };
 
 static const struct pci_device_id mhi_pci_id_table[] = {
@@ -640,9 +664,12 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	mhi_cntrl->status_cb = mhi_pci_status_cb;
 	mhi_cntrl->runtime_get = mhi_pci_runtime_get;
 	mhi_cntrl->runtime_put = mhi_pci_runtime_put;
-	mhi_cntrl->wake_get = mhi_pci_wake_get_nop;
+
-	mhi_cntrl->wake_put = mhi_pci_wake_put_nop;
+	if (info->sideband_wake) {
-	mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop;
+		mhi_cntrl->wake_get = mhi_pci_wake_get_nop;
+		mhi_cntrl->wake_put = mhi_pci_wake_put_nop;
+		mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop;
+	}
 
 	err = mhi_pci_claim(mhi_cntrl, info->bar_num, DMA_BIT_MASK(info->dma_data_width));
 	if (err)

drivers/char/broadcom/vc_mem.c

@@ -333,8 +333,6 @@ vc_mem_init(void)
 	vc_mem_inited = 1;
 	return 0;
 
-	device_destroy(vc_mem_class, vc_mem_devnum);
-
 out_class_destroy:
 	class_destroy(vc_mem_class);
 	vc_mem_class = NULL;

drivers/firmware/efi/dev-path-parser.c

@@ -34,7 +34,6 @@ static long __init parse_acpi_path(const struct efi_dev_path *node,
 			break;
 		if (!adev->pnp.unique_id && node->acpi.uid == 0)
 			break;
-		acpi_dev_put(adev);
 	}
 	if (!adev)
 		return -ENODEV;

drivers/firmware/efi/efi.c

@@ -896,6 +896,7 @@ static int __init efi_memreserve_map_root(void)
 static int efi_mem_reserve_iomem(phys_addr_t addr, u64 size)
 {
 	struct resource *res, *parent;
+	int ret;
 
 	res = kzalloc(sizeof(struct resource), GFP_ATOMIC);
 	if (!res)
@@ -908,7 +909,17 @@ static int efi_mem_reserve_iomem(phys_addr_t addr, u64 size)
 
 	/* we expect a conflict with a 'System RAM' region */
 	parent = request_resource_conflict(&iomem_resource, res);
-	return parent ? request_resource(parent, res) : 0;
+	ret = parent ? request_resource(parent, res) : 0;
+
+	/*
+	 * Given that efi_mem_reserve_iomem() can be called at any
+	 * time, only call memblock_reserve() if the architecture
+	 * keeps the infrastructure around.
+	 */
+	if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK) && !ret)
+		memblock_reserve(addr, size);
+
+	return ret;
 }
 
 int __ref efi_mem_reserve_persistent(phys_addr_t addr, u64 size)