ni · gratian · Nov 10, 2025 · Oct 10, 2025 · Oct 9, 2025 · Oct 9, 2025
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
@@ -5923,6 +5923,9 @@
 
 	rootflags=	[KNL] Set root filesystem mount option string
 
+	initramfs_options= [KNL]
+                        Specify mount options for for the initramfs mount.
+
 	rootfstype=	[KNL] Set root filesystem type
 
 	rootwait	[KNL] Wait (indefinitely) for root device to show up.

diff --git a/Documentation/admin-guide/laptops/lg-laptop.rst b/Documentation/admin-guide/laptops/lg-laptop.rst
@@ -48,8 +48,8 @@ This value is reset to 100 when the kernel boots.
 Fan mode
 --------
 
-Writing 1/0 to /sys/devices/platform/lg-laptop/fan_mode disables/enables
-the fan silent mode.
+Writing 0/1/2 to /sys/devices/platform/lg-laptop/fan_mode sets fan mode to
+Optimal/Silent/Performance respectively.
 
 
 USB charge

diff --git a/Documentation/arch/arm64/silicon-errata.rst b/Documentation/arch/arm64/silicon-errata.rst
@@ -198,6 +198,8 @@ stable kernels.
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-V3     | #3312417        | ARM64_ERRATUM_3194386       |
 +----------------+-----------------+-----------------+-----------------------------+
+| ARM            | Neoverse-V3AE   | #3312417        | ARM64_ERRATUM_3194386       |
++----------------+-----------------+-----------------+-----------------------------+
 | ARM            | MMU-500         | #841119,826419  | N/A                         |
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | MMU-600         | #1076982,1209401| N/A                         |

diff --git a/Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml b/Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml
@@ -57,11 +57,24 @@ required:
   - clocks
   - clock-names
   - '#phy-cells'
-  - power-domains
   - resets
   - reset-names
   - rockchip,grf
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,px30-csi-dphy
+              - rockchip,rk1808-csi-dphy
+              - rockchip,rk3326-csi-dphy
+              - rockchip,rk3368-csi-dphy
+    then:
+      required:
+        - power-domains
+
 additionalProperties: false
 
 examples:

diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
@@ -85,13 +85,21 @@ required:
   - reg
   - "#address-cells"
   - "#size-cells"
-  - dma-ranges
   - ranges
   - clocks
   - clock-names
   - interrupts
   - power-domains
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          const: fsl,imx8mp-dwc3
+    then:
+      required:
+        - dma-ranges
+
 additionalProperties: false
 
 examples:

diff --git a/Documentation/networking/seg6-sysctl.rst b/Documentation/networking/seg6-sysctl.rst
@@ -25,6 +25,9 @@ seg6_require_hmac - INTEGER
 
 	Default is 0.
 
+/proc/sys/net/ipv6/seg6_* variables:
+====================================
+
 seg6_flowlabel - INTEGER
 	Controls the behaviour of computing the flowlabel of outer
 	IPv6 header in case of SR T.encaps

diff --git a/Documentation/sphinx/kernel_abi.py b/Documentation/sphinx/kernel_abi.py
@@ -42,9 +42,11 @@
 from docutils import nodes, statemachine
 from docutils.statemachine import ViewList
 from docutils.parsers.rst import directives, Directive
-from docutils.utils.error_reporting import ErrorString
 from sphinx.util.docutils import switch_source_input
 
+def ErrorString(exc):  # Shamelessly stolen from docutils
+    return f'{exc.__class__.__name}: {exc}'
+
 __version__  = '1.0'
 
 def setup(app):

diff --git a/Documentation/sphinx/kernel_feat.py b/Documentation/sphinx/kernel_feat.py
@@ -40,9 +40,11 @@
 from docutils import nodes, statemachine
 from docutils.statemachine import ViewList
 from docutils.parsers.rst import directives, Directive
-from docutils.utils.error_reporting import ErrorString
 from sphinx.util.docutils import switch_source_input
 
+def ErrorString(exc):  # Shamelessly stolen from docutils
+    return f'{exc.__class__.__name}: {exc}'
+
 __version__  = '1.0'
 
 def setup(app):

diff --git a/Documentation/sphinx/kernel_include.py b/Documentation/sphinx/kernel_include.py
@@ -34,13 +34,15 @@
 import os.path
 
 from docutils import io, nodes, statemachine
-from docutils.utils.error_reporting import SafeString, ErrorString
 from docutils.parsers.rst import directives
 from docutils.parsers.rst.directives.body import CodeBlock, NumberLines
 from docutils.parsers.rst.directives.misc import Include
 
 __version__  = '1.0'
 
+def ErrorString(exc):  # Shamelessly stolen from docutils
+    return f'{exc.__class__.__name}: {exc}'
+
 # ==============================================================================
 def setup(app):
 # ==============================================================================
@@ -111,7 +113,7 @@ def _run(self):
             raise self.severe('Problems with "%s" directive path:\n'
                               'Cannot encode input file path "%s" '
                               '(wrong locale?).' %
-                              (self.name, SafeString(path)))
+                              (self.name, path))
         except IOError as error:
             raise self.severe('Problems with "%s" directive path:\n%s.' %
                       (self.name, ErrorString(error)))

diff --git a/Documentation/sphinx/maintainers_include.py b/Documentation/sphinx/maintainers_include.py
@@ -22,10 +22,12 @@
 import os.path
 
 from docutils import statemachine
-from docutils.utils.error_reporting import ErrorString
 from docutils.parsers.rst import Directive
 from docutils.parsers.rst.directives.misc import Include
 
+def ErrorString(exc):  # Shamelessly stolen from docutils
+    return f'{exc.__class__.__name}: {exc}'
+
 __version__  = '1.0'
 
 def setup(app):

diff --git a/Documentation/trace/histogram-design.rst b/Documentation/trace/histogram-design.rst
@@ -380,7 +380,9 @@ entry, ts0, corresponding to the ts0 variable in the sched_waking
 trigger above.
 
 sched_waking histogram
-----------------------::
+----------------------
+
+.. code-block::
 
   +------------------+
   | hist_data        |<-------------------------------------------------------+

diff --git a/Makefile b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 12
-SUBLEVEL = 49
+SUBLEVEL = 57
 EXTRAVERSION =
 NAME = Baby Opossum Posse
 
@@ -1372,11 +1372,11 @@ endif
 
 tools/: FORCE
 	$(Q)mkdir -p $(objtree)/tools
-	$(Q)$(MAKE) LDFLAGS= O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
+	$(Q)$(MAKE) O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
 
 tools/%: FORCE
 	$(Q)mkdir -p $(objtree)/tools
-	$(Q)$(MAKE) LDFLAGS= O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
+	$(Q)$(MAKE) O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
 
 # ---------------------------------------------------------------------------
 # Kernel selftest

diff --git a/arch/Kconfig b/arch/Kconfig
@@ -861,6 +861,7 @@ config HAVE_CFI_ICALL_NORMALIZE_INTEGERS_RUSTC
 	def_bool y
 	depends on HAVE_CFI_ICALL_NORMALIZE_INTEGERS_CLANG
 	depends on RUSTC_VERSION >= 107900
+	depends on ARM64 || X86_64
 	# With GCOV/KASAN we need this fix: https://github.com/rust-lang/rust/pull/129373
 	depends on (RUSTC_LLVM_VERSION >= 190103 && RUSTC_VERSION >= 108200) || \
 		(!GCOV_KERNEL && !KASAN_GENERIC && !KASAN_SW_TAGS)

diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
@@ -4,6 +4,7 @@
  * This code generates raw asm output which is post-processed to extract
  * and format the required data.
  */
+#define COMPILE_OFFSETS
 
 #include <linux/types.h>
 #include <linux/stddef.h>

diff --git a/arch/arc/kernel/asm-offsets.c b/arch/arc/kernel/asm-offsets.c
@@ -2,6 +2,7 @@
 /*
  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
  */
+#define COMPILE_OFFSETS
 
 #include <linux/sched.h>
 #include <linux/mm.h>

diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_sodia.dts b/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_sodia.dts
@@ -66,8 +66,10 @@
 	mdio0 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		phy0: ethernet-phy@0 {
-			reg = <0>;
+		compatible = "snps,dwmac-mdio";
+
+		phy0: ethernet-phy@4 {
+			reg = <4>;
 			rxd0-skew-ps = <0>;
 			rxd1-skew-ps = <0>;
 			rxd2-skew-ps = <0>;

diff --git a/arch/arm/boot/dts/marvell/kirkwood-openrd-client.dts b/arch/arm/boot/dts/marvell/kirkwood-openrd-client.dts
@@ -38,7 +38,7 @@
 		simple-audio-card,mclk-fs = <256>;
 
 		simple-audio-card,cpu {
-			sound-dai = <&audio0 0>;
+			sound-dai = <&audio0>;
 		};
 
 		simple-audio-card,codec {

diff --git a/arch/arm/boot/dts/renesas/r8a7791-porter.dts b/arch/arm/boot/dts/renesas/r8a7791-porter.dts
@@ -290,7 +290,7 @@
 	};
 
 	can0_pins: can0 {
-		groups = "can0_data";
+		groups = "can0_data_b";
 		function = "can0";
 	};
 

diff --git a/arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi b/arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi
@@ -270,7 +270,7 @@
 	vcc7-supply = <&vbat>;
 	vccio-supply = <&vbat>;
 
-	ti,en-ck32k-xtal = <1>;
+	ti,en-ck32k-xtal;
 
 	regulators {
 		vrtc_reg: regulator@0 {

diff --git a/arch/arm/boot/dts/ti/omap/am335x-cm-t335.dts b/arch/arm/boot/dts/ti/omap/am335x-cm-t335.dts
@@ -483,8 +483,6 @@ status = "okay";
 
 		op-mode = <0>;          /* MCASP_IIS_MODE */
 		tdm-slots = <2>;
-		/* 16 serializers */
-		num-serializer = <16>;
 		serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
 			0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0
 		>;

diff --git a/arch/arm/boot/dts/ti/omap/omap3-devkit8000-lcd-common.dtsi b/arch/arm/boot/dts/ti/omap/omap3-devkit8000-lcd-common.dtsi
@@ -65,7 +65,7 @@
 		ti,debounce-max = /bits/ 16 <10>;
 		ti,debounce-tol = /bits/ 16 <5>;
 		ti,debounce-rep = /bits/ 16 <1>;
-		ti,keep-vref-on = <1>;
+		ti,keep-vref-on;
 		ti,settle-delay-usec = /bits/ 16 <150>;
 
 		wakeup-source;

diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
@@ -7,6 +7,8 @@
  * This code generates raw asm output which is post-processed to extract
  * and format the required data.
  */
+#define COMPILE_OFFSETS
+
 #include <linux/compiler.h>
 #include <linux/sched.h>
 #include <linux/mm.h>

diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
@@ -872,7 +872,7 @@ e_done:
 /**
  * at91_mckx_ps_restore: restore MCK1..4 settings
  *
- * Side effects: overwrites tmp1, tmp2
+ * Side effects: overwrites tmp1, tmp2 and tmp3
  */
 .macro at91_mckx_ps_restore
 #ifdef CONFIG_SOC_SAMA7
@@ -916,7 +916,7 @@ r_ps:
 	bic	tmp3, tmp3, #AT91_PMC_MCR_V2_ID_MSK
 	orr	tmp3, tmp3, tmp1
 	orr	tmp3, tmp3, #AT91_PMC_MCR_V2_CMD
-	str	tmp2, [pmc, #AT91_PMC_MCR_V2]
+	str	tmp3, [pmc, #AT91_PMC_MCR_V2]
 
 	wait_mckrdy tmp1
 

diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c
@@ -2,12 +2,46 @@
 /*
  * am33xx-restart.c - Code common to all AM33xx machines.
  */
+#include <dt-bindings/pinctrl/am33xx.h>
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/reboot.h>
 
 #include "common.h"
+#include "control.h"
 #include "prm.h"
 
+/*
+ * Advisory 1.0.36 EMU0 and EMU1: Terminals Must be Pulled High Before
+ * ICEPick Samples
+ *
+ * If EMU0/EMU1 pins have been used as GPIO outputs and actively driving low
+ * level, the device might not reboot in normal mode. We are in a bad position
+ * to override GPIO state here, so just switch the pins into EMU input mode
+ * (that's what reset will do anyway) and wait a bit, because the state will be
+ * latched 190 ns after reset.
+ */
+static void am33xx_advisory_1_0_36(void)
+{
+	u32 emu0 = omap_ctrl_readl(AM335X_PIN_EMU0);
+	u32 emu1 = omap_ctrl_readl(AM335X_PIN_EMU1);
+
+	/* If both pins are in EMU mode, nothing to do */
+	if (!(emu0 & 7) && !(emu1 & 7))
+		return;
+
+	/* Switch GPIO3_7/GPIO3_8 into EMU0/EMU1 modes respectively */
+	omap_ctrl_writel(emu0 & ~7, AM335X_PIN_EMU0);
+	omap_ctrl_writel(emu1 & ~7, AM335X_PIN_EMU1);
+
+	/*
+	 * Give pull-ups time to load the pin/PCB trace capacity.
+	 * 5 ms shall be enough to load 1 uF (would be huge capacity for these
+	 * pins) with TI-recommended 4k7 external pull-ups.
+	 */
+	mdelay(5);
+}
+
 /**
  * am33xx_restart - trigger a software restart of the SoC
  * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
@@ -18,6 +52,8 @@
  */
 void am33xx_restart(enum reboot_mode mode, const char *cmd)
 {
+	am33xx_advisory_1_0_36();
+
 	/* TODO: Handle cmd if necessary */
 	prm_reboot_mode = mode;
 

diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c
@@ -388,12 +388,15 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 		if (!state_node)
 			break;
 
-		if (!of_device_is_available(state_node))
+		if (!of_device_is_available(state_node)) {
+			of_node_put(state_node);
 			continue;
+		}
 
 		if (i == CPUIDLE_STATE_MAX) {
 			pr_warn("%s: cpuidle states reached max possible\n",
 				__func__);
+			of_node_put(state_node);
 			break;
 		}
 
@@ -403,6 +406,7 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 			states[state_count].wfi_flags |= WFI_FLAG_WAKE_M3 |
 							 WFI_FLAG_FLUSH_CACHE;
 
+		of_node_put(state_node);
 		state_count++;
 	}
 

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
@@ -1111,6 +1111,7 @@ config ARM64_ERRATUM_3194386
 	  * ARM Neoverse-V1 erratum 3324341
 	  * ARM Neoverse V2 erratum 3324336
 	  * ARM Neoverse-V3 erratum 3312417
+	  * ARM Neoverse-V3AE erratum 3312417
 
 	  On affected cores "MSR SSBS, #0" instructions may not affect
 	  subsequent speculative instructions, which may permit unexepected