diff --git linux-libre-6.6-gnu/Documentation/ABI/testing/sysfs-bus-optee-devices linux-libre-6.6.8-gnu/Documentation/ABI/testing/sysfs-bus-optee-devices
index 0f58701367b6..af31e5a22d89 100644
--- linux-libre-6.6-gnu/Documentation/ABI/testing/sysfs-bus-optee-devices
+++ linux-libre-6.6.8-gnu/Documentation/ABI/testing/sysfs-bus-optee-devices
@@ -6,3 +6,12 @@ Description:
 		OP-TEE bus provides reference to registered drivers under this directory. The <uuid>
 		matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers
 		are free to create needed API under optee-ta-<uuid> directory.
+
+What:		/sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant
+Date:		November 2023
+KernelVersion:	6.7
+Contact:	op-tee@lists.trustedfirmware.org
+Description:
+		Allows to distinguish whether an OP-TEE based TA/device requires user-space
+		tee-supplicant to function properly or not. This attribute will be present for
+		devices which depend on tee-supplicant to be running.
diff --git linux-libre-6.6-gnu/Documentation/ABI/testing/sysfs-class-led linux-libre-6.6.8-gnu/Documentation/ABI/testing/sysfs-class-led
index b2ff0012c0f2..2e24ac3bd7ef 100644
--- linux-libre-6.6-gnu/Documentation/ABI/testing/sysfs-class-led
+++ linux-libre-6.6.8-gnu/Documentation/ABI/testing/sysfs-class-led
@@ -59,15 +59,6 @@ Description:
 		brightness. Reading this file when no hw brightness change
 		event has happened will return an ENODATA error.
 
-What:		/sys/class/leds/<led>/color
-Date:		June 2023
-KernelVersion:	6.5
-Description:
-		Color of the LED.
-
-		This is a read-only file. Reading this file returns the color
-		of the LED as a string (e.g: "red", "green", "multicolor").
-
 What:		/sys/class/leds/<led>/trigger
 Date:		March 2006
 KernelVersion:	2.6.17
diff --git linux-libre-6.6-gnu/Documentation/ABI/testing/sysfs-driver-qat linux-libre-6.6.8-gnu/Documentation/ABI/testing/sysfs-driver-qat
index ef6d6c57105e..96834d103a09 100644
--- linux-libre-6.6-gnu/Documentation/ABI/testing/sysfs-driver-qat
+++ linux-libre-6.6.8-gnu/Documentation/ABI/testing/sysfs-driver-qat
@@ -29,6 +29,8 @@ Description:	(RW) Reports the current configuration of the QAT device.
 		  services
 		* asym;sym: identical to sym;asym
 		* dc: the device is configured for running compression services
+		* dcc: identical to dc but enables the dc chaining feature,
+		  hash then compression. If this is not required chose dc
 		* sym: the device is configured for running symmetric crypto
 		  services
 		* asym: the device is configured for running asymmetric crypto
diff --git linux-libre-6.6-gnu/Documentation/admin-guide/hw-vuln/srso.rst linux-libre-6.6.8-gnu/Documentation/admin-guide/hw-vuln/srso.rst
index b6cfb51cb0b4..e715bfc09879 100644
--- linux-libre-6.6-gnu/Documentation/admin-guide/hw-vuln/srso.rst
+++ linux-libre-6.6.8-gnu/Documentation/admin-guide/hw-vuln/srso.rst
@@ -46,12 +46,22 @@ The possible values in this file are:
 
    The processor is not vulnerable
 
- * 'Vulnerable: no microcode':
+* 'Vulnerable':
+
+   The processor is vulnerable and no mitigations have been applied.
+
+ * 'Vulnerable: No microcode':
 
    The processor is vulnerable, no microcode extending IBPB
    functionality to address the vulnerability has been applied.
 
- * 'Mitigation: microcode':
+ * 'Vulnerable: Safe RET, no microcode':
+
+   The "Safe RET" mitigation (see below) has been applied to protect the
+   kernel, but the IBPB-extending microcode has not been applied.  User
+   space tasks may still be vulnerable.
+
+ * 'Vulnerable: Microcode, no safe RET':
 
    Extended IBPB functionality microcode patch has been applied. It does
    not address User->Kernel and Guest->Host transitions protection but it
@@ -72,11 +82,11 @@ The possible values in this file are:
 
    (spec_rstack_overflow=microcode)
 
- * 'Mitigation: safe RET':
+ * 'Mitigation: Safe RET':
 
-   Software-only mitigation. It complements the extended IBPB microcode
-   patch functionality by addressing User->Kernel and Guest->Host
-   transitions protection.
+   Combined microcode/software mitigation. It complements the
+   extended IBPB microcode patch functionality by addressing
+   User->Kernel and Guest->Host transitions protection.
 
    Selected by default or by spec_rstack_overflow=safe-ret
 
@@ -129,7 +139,7 @@ an indrect branch prediction barrier after having applied the required
 microcode patch for one's system. This mitigation comes also at
 a performance cost.
 
-Mitigation: safe RET
+Mitigation: Safe RET
 --------------------
 
 The mitigation works by ensuring all RET instructions speculate to
diff --git linux-libre-6.6-gnu/Documentation/admin-guide/kernel-parameters.txt linux-libre-6.6.8-gnu/Documentation/admin-guide/kernel-parameters.txt
index 0a1731a0f0ef..41644336e358 100644
--- linux-libre-6.6-gnu/Documentation/admin-guide/kernel-parameters.txt
+++ linux-libre-6.6.8-gnu/Documentation/admin-guide/kernel-parameters.txt
@@ -5858,6 +5858,13 @@
 			This feature may be more efficiently disabled
 			using the csdlock_debug- kernel parameter.
 
+	smp.panic_on_ipistall= [KNL]
+			If a csd_lock_timeout extends for more than
+			the specified number of milliseconds, panic the
+			system.  By default, let CSD-lock acquisition
+			take as long as they take.  Specifying 300,000
+			for this value provides a 5-minute timeout.
+
 	smsc-ircc2.nopnp	[HW] Don't use PNP to discover SMC devices
 	smsc-ircc2.ircc_cfg=	[HW] Device configuration I/O port
 	smsc-ircc2.ircc_sir=	[HW] SIR base I/O port
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml
index 509d20c091af..6a206111d4e0 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml
@@ -62,6 +62,9 @@ properties:
         - description: MPM pin number
         - description: GIC SPI number for the MPM pin
 
+  '#power-domain-cells':
+    const: 0
+
 required:
   - compatible
   - reg
@@ -93,4 +96,5 @@ examples:
                            <86 183>,
                            <90 260>,
                            <91 260>;
+        #power-domain-cells = <0>;
     };
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/mfd/mt6397.txt linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/mfd/mt6397.txt
index 294693a8906c..10540aa7afa1 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/mfd/mt6397.txt
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/mfd/mt6397.txt
@@ -22,8 +22,9 @@ compatible:
 	"mediatek,mt6323" for PMIC MT6323
 	"mediatek,mt6331" for PMIC MT6331 and MT6332
 	"mediatek,mt6357" for PMIC MT6357
-	"mediatek,mt6358" for PMIC MT6358 and MT6366
+	"mediatek,mt6358" for PMIC MT6358
 	"mediatek,mt6359" for PMIC MT6359
+	"mediatek,mt6366", "mediatek,mt6358" for PMIC MT6366
 	"mediatek,mt6397" for PMIC MT6397
 
 Optional subnodes:
@@ -40,6 +41,7 @@ Optional subnodes:
 		- compatible: "mediatek,mt6323-regulator"
 	see ../regulator/mt6323-regulator.txt
 		- compatible: "mediatek,mt6358-regulator"
+		- compatible: "mediatek,mt6366-regulator", "mediatek-mt6358-regulator"
 	see ../regulator/mt6358-regulator.txt
 		- compatible: "mediatek,mt6397-regulator"
 	see ../regulator/mt6397-regulator.txt
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
index 029569d5fcf3..24c733c10e0e 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
@@ -32,6 +32,27 @@ properties:
 
   vdd3-supply: true
 
+  qcom,tune-usb2-disc-thres:
+    $ref: /schemas/types.yaml#/definitions/uint8
+    description: High-Speed disconnect threshold
+    minimum: 0
+    maximum: 7
+    default: 0
+
+  qcom,tune-usb2-amplitude:
+    $ref: /schemas/types.yaml#/definitions/uint8
+    description: High-Speed trasmit amplitude
+    minimum: 0
+    maximum: 15
+    default: 8
+
+  qcom,tune-usb2-preem:
+    $ref: /schemas/types.yaml#/definitions/uint8
+    description: High-Speed TX pre-emphasis tuning
+    minimum: 0
+    maximum: 7
+    default: 5
+
 required:
   - compatible
   - reg
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/serial/rs485.yaml linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/serial/rs485.yaml
index 303a443d9e29..9418fd66a8e9 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/serial/rs485.yaml
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/serial/rs485.yaml
@@ -29,6 +29,10 @@ properties:
           default: 0
           maximum: 100
 
+  rs485-rts-active-high:
+    description: drive RTS high when sending (this is the default).
+    $ref: /schemas/types.yaml#/definitions/flag
+
   rs485-rts-active-low:
     description: drive RTS low when sending (default is high).
     $ref: /schemas/types.yaml#/definitions/flag
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/serial/serial.yaml linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/serial/serial.yaml
index ea277560a596..5727bd549dec 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/serial/serial.yaml
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/serial/serial.yaml
@@ -96,7 +96,7 @@ then:
     rts-gpios: false
 
 patternProperties:
-  "^bluetooth|gnss|gps|mcu$":
+  "^(bluetooth|gnss|gps|mcu)$":
     if:
       type: object
     then:
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
index bffdab0b0185..fbac40b958dd 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
@@ -169,27 +169,27 @@ properties:
       - const: tgib0
       - const: tgic0
       - const: tgid0
-      - const: tgiv0
+      - const: tciv0
       - const: tgie0
       - const: tgif0
       - const: tgia1
       - const: tgib1
-      - const: tgiv1
-      - const: tgiu1
+      - const: tciv1
+      - const: tciu1
       - const: tgia2
       - const: tgib2
-      - const: tgiv2
-      - const: tgiu2
+      - const: tciv2
+      - const: tciu2
       - const: tgia3
       - const: tgib3
       - const: tgic3
       - const: tgid3
-      - const: tgiv3
+      - const: tciv3
       - const: tgia4
       - const: tgib4
       - const: tgic4
       - const: tgid4
-      - const: tgiv4
+      - const: tciv4
       - const: tgiu5
       - const: tgiv5
       - const: tgiw5
@@ -197,18 +197,18 @@ properties:
       - const: tgib6
       - const: tgic6
       - const: tgid6
-      - const: tgiv6
+      - const: tciv6
       - const: tgia7
       - const: tgib7
       - const: tgic7
       - const: tgid7
-      - const: tgiv7
+      - const: tciv7
       - const: tgia8
       - const: tgib8
       - const: tgic8
       - const: tgid8
-      - const: tgiv8
-      - const: tgiu8
+      - const: tciv8
+      - const: tciu8
 
   clocks:
     maxItems: 1
@@ -285,16 +285,16 @@ examples:
                    <GIC_SPI 211 IRQ_TYPE_EDGE_RISING>,
                    <GIC_SPI 212 IRQ_TYPE_EDGE_RISING>,
                    <GIC_SPI 213 IRQ_TYPE_EDGE_RISING>;
-      interrupt-names = "tgia0", "tgib0", "tgic0", "tgid0", "tgiv0", "tgie0",
+      interrupt-names = "tgia0", "tgib0", "tgic0", "tgid0", "tciv0", "tgie0",
                         "tgif0",
-                        "tgia1", "tgib1", "tgiv1", "tgiu1",
-                        "tgia2", "tgib2", "tgiv2", "tgiu2",
-                        "tgia3", "tgib3", "tgic3", "tgid3", "tgiv3",
-                        "tgia4", "tgib4", "tgic4", "tgid4", "tgiv4",
+                        "tgia1", "tgib1", "tciv1", "tciu1",
+                        "tgia2", "tgib2", "tciv2", "tciu2",
+                        "tgia3", "tgib3", "tgic3", "tgid3", "tciv3",
+                        "tgia4", "tgib4", "tgic4", "tgid4", "tciv4",
                         "tgiu5", "tgiv5", "tgiw5",
-                        "tgia6", "tgib6", "tgic6", "tgid6", "tgiv6",
-                        "tgia7", "tgib7", "tgic7", "tgid7", "tgiv7",
-                        "tgia8", "tgib8", "tgic8", "tgid8", "tgiv8", "tgiu8";
+                        "tgia6", "tgib6", "tgic6", "tgid6", "tciv6",
+                        "tgia7", "tgib7", "tgic7", "tgid7", "tciv7",
+                        "tgia8", "tgib8", "tgic8", "tgid8", "tciv8", "tciu8";
       clocks = <&cpg CPG_MOD R9A07G044_MTU_X_MCK_MTU3>;
       power-domains = <&cpg>;
       resets = <&cpg R9A07G044_MTU_X_PRESET_MTU3>;
diff --git linux-libre-6.6-gnu/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml
index ff3a1707ef57..6d4cfd943f58 100644
--- linux-libre-6.6-gnu/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml
+++ linux-libre-6.6.8-gnu/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml
@@ -36,7 +36,11 @@ properties:
 
   vdd-supply:
     description:
-      VDD power supply to the hub
+      3V3 power supply to the hub
+
+  vdd2-supply:
+    description:
+      1V2 power supply to the hub
 
   peer-hub:
     $ref: /schemas/types.yaml#/definitions/phandle
@@ -62,6 +66,7 @@ allOf:
       properties:
         reset-gpios: false
         vdd-supply: false
+        vdd2-supply: false
         peer-hub: false
         i2c-bus: false
     else:
diff --git linux-libre-6.6-gnu/Documentation/i2c/busses/i2c-i801.rst linux-libre-6.6.8-gnu/Documentation/i2c/busses/i2c-i801.rst
index e76e68ccf718..10eced6c2e46 100644
--- linux-libre-6.6-gnu/Documentation/i2c/busses/i2c-i801.rst
+++ linux-libre-6.6.8-gnu/Documentation/i2c/busses/i2c-i801.rst
@@ -47,6 +47,7 @@ Supported adapters:
   * Intel Alder Lake (PCH)
   * Intel Raptor Lake (PCH)
   * Intel Meteor Lake (SOC and PCH)
+  * Intel Birch Stream (SOC)
 
    Datasheets: Publicly available at the Intel website
 
diff --git linux-libre-6.6-gnu/Makefile linux-libre-6.6.8-gnu/Makefile
index bcb