diff --git linux-libre-5.4.229-gnu1/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml linux-libre-5.4.230-gnu1/Documentation/devicetree/bindings/phy/amlogic,g12a-usb3-pcie-phy.yaml
similarity index 82%
rename from Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml
rename to Documentation/devicetree/bindings/phy/amlogic,g12a-usb3-pcie-phy.yaml
index 346f9c35427c..5407468a8dda 100644
--- linux-libre-5.4.229-gnu1/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml
+++ linux-libre-5.4.230-gnu1/Documentation/devicetree/bindings/phy/amlogic,g12a-usb3-pcie-phy.yaml
@@ -2,7 +2,7 @@
 # Copyright 2019 BayLibre, SAS
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml#"
+$id: "http://devicetree.org/schemas/phy/amlogic,g12a-usb3-pcie-phy.yaml#"
 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
 
 title: Amlogic G12A USB3 + PCIE Combo PHY
@@ -13,7 +13,7 @@ maintainers:
 properties:
   compatible:
     enum:
-      - amlogic,meson-g12a-usb3-pcie-phy
+      - amlogic,g12a-usb3-pcie-phy
 
   reg:
     maxItems: 1
@@ -47,7 +47,7 @@ required:
 examples:
   - |
     phy@46000 {
-          compatible = "amlogic,meson-g12a-usb3-pcie-phy";
+          compatible = "amlogic,g12a-usb3-pcie-phy";
           reg = <0x46000 0x2000>;
           clocks = <&ref_clk>;
           clock-names = "ref_clk";
diff --git linux-libre-5.4.229-gnu1/Makefile linux-libre-5.4.230-gnu1/Makefile
index b689a88155db..3b93d77bd5c7 100644
--- linux-libre-5.4.229-gnu1/Makefile
+++ linux-libre-5.4.230-gnu1/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 229
+SUBLEVEL = 230
 EXTRAVERSION = -gnu1
 NAME = Kleptomaniac Octopus
 
diff --git linux-libre-5.4.229-gnu1/arch/x86/kernel/fpu/init.c linux-libre-5.4.230-gnu1/arch/x86/kernel/fpu/init.c
index b271da0fa219..17d092eb1934 100644
--- linux-libre-5.4.229-gnu1/arch/x86/kernel/fpu/init.c
+++ linux-libre-5.4.230-gnu1/arch/x86/kernel/fpu/init.c
@@ -139,9 +139,6 @@ static void __init fpu__init_system_generic(void)
 unsigned int fpu_kernel_xstate_size;
 EXPORT_SYMBOL_GPL(fpu_kernel_xstate_size);
 
-/* Get alignment of the TYPE. */
-#define TYPE_ALIGN(TYPE) offsetof(struct { char x; TYPE test; }, test)
-
 /*
  * Enforce that 'MEMBER' is the last field of 'TYPE'.
  *
@@ -149,8 +146,8 @@ EXPORT_SYMBOL_GPL(fpu_kernel_xstate_size);
  * because that's how C aligns structs.
  */
 #define CHECK_MEMBER_AT_END_OF(TYPE, MEMBER) \
-	BUILD_BUG_ON(sizeof(TYPE) != ALIGN(offsetofend(TYPE, MEMBER), \
-					   TYPE_ALIGN(TYPE)))
+	BUILD_BUG_ON(sizeof(TYPE) !=         \
+		     ALIGN(offsetofend(TYPE, MEMBER), _Alignof(TYPE)))
 
 /*
  * We append the 'struct fpu' to the task_struct:
diff --git linux-libre-5.4.229-gnu1/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c linux-libre-5.4.230-gnu1/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index a1ce307c502f..0b970b91750c 100644
--- linux-libre-5.4.229-gnu1/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ linux-libre-5.4.230-gnu1/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -551,6 +551,11 @@ static noinline void axi_chan_handle_err(struct axi_dma_chan *chan, u32 status)
 
 	/* The bad descriptor currently is in the head of vc list */
 	vd = vchan_next_desc(&chan->vc);
+	if (!vd) {
+		dev_err(chan2dev(chan), "BUG: %s, IRQ with no descriptors\n",
+			axi_chan_name(chan));
+		goto out;
+	}
 	/* Remove the completed descriptor from issued list */
 	list_del(&vd->node);
 
@@ -565,6 +570,7 @@ static noinline void axi_chan_handle_err(struct axi_dma_chan *chan, u32 status)
 	/* Try to restart the controller */
 	axi_chan_start_first_queued(chan);
 
+out:
 	spin_unlock_irqrestore(&chan->vc.lock, flags);
 }
 
diff --git linux-libre-5.4.229-gnu1/drivers/dma/tegra210-adma.c linux-libre-5.4.230-gnu1/drivers/dma/tegra210-adma.c
index 9068591bd684..d82c25138749 100644
--- linux-libre-5.4.229-gnu1/drivers/dma/tegra210-adma.c
+++ linux-libre-5.4.230-gnu1/drivers/dma/tegra210-adma.c
@@ -224,7 +224,7 @@ static int tegra_adma_init(struct tegra_adma *tdma)
 	int ret;
 
 	/* Clear any interrupts */
-	tdma_write(tdma, tdma->cdata->global_int_clear, 0x1);
+	tdma_write(tdma, tdma->cdata->ch_base_offset + tdma->cdata->global_int_clear, 0x1);
 
 	/* Assert soft reset */
 	tdma_write(tdma, ADMA_GLOBAL_SOFT_RESET, 0x1);
diff --git linux-libre-5.4.229-gnu1/drivers/firmware/efi/runtime-wrappers.c linux-libre-5.4.230-gnu1/drivers/firmware/efi/runtime-wrappers.c
index 136b9c7f9ac9..a6735f1a16d1 100644
--- linux-libre-5.4.229-gnu1/drivers/firmware/efi/runtime-wrappers.c
+++ linux-libre-5.4.230-gnu1/drivers/firmware/efi/runtime-wrappers.c
@@ -62,6 +62,7 @@ struct efi_runtime_work efi_rts_work;
 									\
 	if (!efi_enabled(EFI_RUNTIME_SERVICES)) {			\
 		pr_warn_once("EFI Runtime Services are disabled!\n");	\
+		efi_rts_work.status = EFI_DEVICE_ERROR;			\
 		goto exit;						\
 	}								\
 									\
diff --git linux-libre-5.4.229-gnu1/drivers/firmware/google/gsmi.c linux-libre-5.4.230-gnu1/drivers/firmware/google/gsmi.c
index 517fb57d07d2..94753ad18ca6 100644
--- linux-libre-5.4.229-gnu1/drivers/firmware/google/gsmi.c
+++ linux-libre-5.4.230-gnu1/drivers/firmware/google/gsmi.c
@@ -359,9 +359,10 @@ static efi_status_t gsmi_get_variable(efi_char16_t *name,
 		memcpy(data, gsmi_dev.data_buf->start, *data_size);
 
 		/* All variables are have the following attributes */
-		*attr = EFI_VARIABLE_NON_VOLATILE |
-			EFI_VARIABLE_BOOTSERVICE_ACCESS |
-			EFI_VARIABLE_RUNTIME_ACCESS;
+		if (attr)
+			*attr = EFI_VARIABLE_NON_VOLATILE |
+				EFI_VARIABLE_BOOTSERVICE_ACCESS |
+				EFI_VARIABLE_RUNTIME_ACCESS;
 	}
 
 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);
diff --git linux-libre-5.4.229-gnu1/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c linux-libre-5.4.230-gnu1/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 7ca20b85fa1b..d191c85f1685 100644
--- linux-libre-5.4.229-gnu1/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ linux-libre-5.4.230-gnu1/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7409,8 +7409,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 			goto fail;
 		}
 
-		if (dm_old_con_state->abm_level !=
-		    dm_new_con_state->abm_level)
+		if (dm_old_con_state->abm_level != dm_new_con_state->abm_level ||
+		    dm_old_con_state->scaling != dm_new_con_state->scaling)
 			new_crtc_state->connectors_changed = true;
 	}
 
diff --git linux-libre-5.4.229-gnu1/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c linux-libre-5.4.230-gnu1/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
index c026b393f3c5..940aa621485c 100644
--- linux-libre-5.4.229-gnu1/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
+++ linux-libre-5.4.230-gnu1/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
@@ -92,8 +92,8 @@ static const struct out_csc_color_matrix_type output_csc_matrix[] = {
 		{ 0xE00, 0xF349, 0xFEB7, 0x1000, 0x6CE, 0x16E3,
 				0x24F, 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} },
 	{ COLOR_SPACE_YCBCR2020_TYPE,
-		{ 0x1000, 0xF149, 0xFEB7, 0x0000, 0x0868, 0x15B2,
-				0x01E6, 0x0000, 0xFB88, 0xF478, 0x1000, 0x0000} },
+		{ 0x1000, 0xF149, 0xFEB7, 0x1004, 0x0868, 0x15B2,
+				0x01E6, 0x201, 0xFB88, 0xF478, 0x1000, 0x1004} },
 	{ COLOR_SPACE_YCBCR709_BLACK_TYPE,
 		{ 0x0000, 0x0000, 0x0000, 0x1000, 0x0000, 0x0000,
 				0x0000, 0x0200, 0x0000, 0x0000, 0x0000, 0x1000} },
diff --git linux-libre-5.4.229-gnu1/drivers/gpu/drm/i915/gt/intel_reset.c linux-libre-5.4.230-gnu1/drivers/gpu/drm/i915/gt/intel_reset.c
index 8cea42379dd7..48aed34e19df 100644
--- linux-libre-5.4.229-gnu1/drivers/gpu/drm/i915/gt/intel_reset.c
+++ linux-libre-5.4.230-gnu1/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -257,6 +257,7 @@ out:
 static int gen6_hw_domain_reset(struct intel_gt *gt, u32 hw_domain_mask)
 {
 	struct intel_uncore *uncore = gt->uncore;
+	int loops = 2;
 	int err;
 
 	/*
@@ -264,17 +265,38 @@ static int gen6_hw_domain_reset(struct intel_gt *gt, u32 hw_domain_mask)
 	 * for fifo space for the write or forcewake the chip for
 	 * the read
 	 */
-	intel_uncore_write_fw(uncore, GEN6_GDRST, hw_domain_mask);
+	do {
+		intel_uncore_write_fw(uncore, GEN6_GDRST, hw_domain_mask);
 
-	/* Wait for the device to ack the reset requests */
-	err = __intel_wait_for_register_fw(uncore,
-					   GEN6_GDRST, hw_domain_mask, 0,
-					   500, 0,
-					   NULL);
+		/*
+		 * Wait for the device to ack the reset requests.
+		 *
+		 * On some platforms, e.g. Jasperlake, we see that the
+		 * engine register state is not cleared until shortly after
+		 * GDRST reports completion, causing a failure as we try
+		 * to immediately resume while the internal state is still
+		 * in flux. If we immediately repeat the reset, the second
+		 * reset appears to serialise with the first, and since
+		 * it is a no-op, the registers should retain their reset
+		 * value. However, there is still a concern that upon
+		 * leaving the second reset, the internal engine state
+		 * is still in flux and not ready for resuming.
+		 */
+		err = __intel_wait_for_register_fw(uncore, GEN6_GDRST,
+						   hw_domain_mask, 0,
+						   2000, 0,
+						   NULL);
+	} while (err == 0 && --loops);
 	if (err)
 		DRM_DEBUG_DRIVER("Wait for 0x%08x engines reset failed\n",
 				 hw_domain_mask);
 
+	/*
+	 * As we have observed that the engine state is still volatile
+	 * after GDRST is acked, impose a small delay to let everything settle.
+	 */
+	udelay(50);
+
 	return err;
 }
 
diff --git linux-libre-5.4.229-gnu1/drivers/gpu/drm/i915/i915_pci.c linux-libre-5.4.230-gnu1/drivers/gpu/drm/i915/i915_pci.c
index 1974e4c78a43..b3f0c20d5ba5 100644
--- linux-libre-5.4.229-gnu1/drivers/gpu/drm/i915/i915_pci.c
+++ linux-libre-5.4.230-gnu1/drivers/gpu/drm/i915/i915_pci.c
@@ -418,7 +418,8 @@ static const struct intel_device_info intel_sandybridge_m_gt2_info = {
 	.has_coherent_ggtt = true, \
 	.has_llc = 1, \
 	.has_rc6 = 1, \
-	.has_rc6p = 1, \
+	/* snb does support rc6p, but enabling it causes various issues */ \
+	.has_rc6p = 0, \
 	.has_rps = true, \
 	.ppgtt_type = INTEL_PPGTT_FULL, \
 	.ppgtt_size = 31, \
diff --git linux-libre-5.4.229-gnu1/drivers/infiniband/ulp/srp/ib_srp.h linux-libre-5.4.230-gnu1/drivers/infiniband/ulp/srp/ib_srp.h
index b2861cd2087a..3f17bfd33eb5 100644
--- linux-libre-5.4.229-gnu1/drivers/infiniband/ulp/srp/ib_srp.h
+++ linux-libre-5.4.230-gnu1/drivers/infiniband/ulp/srp/ib_srp.h
@@ -63,9 +63,6 @@ enum {
 	SRP_DEFAULT_CMD_SQ_SIZE = SRP_DEFAULT_QUEUE_SIZE - SRP_RSP_SQ_SIZE -
 				  SRP_TSK_MGMT_SQ_SIZE,
 
-	SRP_TAG_NO_REQ		= ~0U,
-	SRP_TAG_TSK_MGMT	= 1U << 31,
-
 	SRP_MAX_PAGES_PER_MR	= 512,
 
 	SRP_MAX_ADD_CDB_LEN	= 16,
@@ -80,6 +77,11 @@ enum {
 				  sizeof(struct srp_imm_buf),
 };
 
+enum {
+	SRP_TAG_NO_REQ		= ~0U,
+	SRP_TAG_TSK_MGMT	= BIT(31),
+};
+
 enum srp_target_state {
 	SRP_TARGET_SCANNING,
 	SRP_TARGET_LIVE,
diff --git linux-libre-5.4.229-gnu1/drivers/misc/fastrpc.c linux-libre-5.4.230-gnu1/drivers/misc/fastrpc.c
index 5812ef3345fe..19840ad58a5f 100644
--- linux-libre-5.4.229-gnu1/drivers/misc/fastrpc.c
+++ linux-libre-5.4.230-gnu1/drivers/misc/fastrpc.c
@@ -218,6 +218,13 @@ static void fastrpc_free_map(struct kref *ref)
 		dma_buf_put(map->buf);
 	}
 
+	if (map->fl) {
+		spin_lock(&map->fl->lock);
+		list_del(&map->node);
+		spin_unlock(&map->fl->lock);
+		map->fl = NULL;
+	}
+
 	kfree(map);
 }
 
@@ -227,10 +234,12 @@ static void fastrpc_map_put(struct fastrpc_map *map)
 		kref_put(&map->refcount, fastrpc_free_map);
 }
 
-static void fastrpc_map_get(struct fastrpc_map *map)
+static int fastrpc_map_get(struct fastrpc_map *map)
 {
-	if (map)
-		kref_get(&map->refcount);
+	if (!map)
+		return -ENOENT;
+
+	return kref_get_unless_zero(&map->refcount) ? 0 : -ENOENT;
 }
 
 static int fastrpc_map_find(struct fastrpc_user *fl, int fd,
@@ -1080,12 +1089,7 @@ err_invoke:
 	fl->init_mem = NULL;
 	fastrpc_buf_free(imem);
 err_alloc:
-	if (map) {
-		spin_lock(&fl->lock);
-		list_del(&map->node);
-		spin_unlock(&fl->lock);
-		fastrpc_map_put(map);
-	}
+	fastrpc_map_put(map);
 err:
 	kfree(args);
 
@@ -1161,10 +1165,8 @@ static int fastrpc_device_release(struct inode *inode, struct file *file)
 		fastrpc_context_put(ctx);
 	}
 
-	list_for_each_entry_safe(map, m, &fl->maps, node) {
-		list_del(&map->node);
+	list_for_each_entry_safe(map, m, &fl->maps, node)
 		fastrpc_map_put(map);
-	}
 
 	fastrpc_session_free(cctx, fl->sctx);
 	fastrpc_channel_ctx_put(cctx);
diff --git linux-libre-5.4.229-gnu1/drivers/mmc/host/sunxi-mmc.c linux-libre-5.4.230-gnu1/drivers/mmc/host/sunxi-mmc.c
index d577a6b0ceae..519718bb246c 100644
--- linux-libre-5.4.229-gnu1/drivers/mmc/host/sunxi-mmc.c
+++ linux-libre-5.4.230-gnu1/drivers/mmc/host/sunxi-mmc.c
@@ -1456,9 +1456,11 @@ static int sunxi_mmc_remove(struct platform_device *pdev)
 	struct sunxi_mmc_host *host = mmc_priv(mmc);
 
 	mmc_remove_host(mmc);
-	pm_runtime_force_suspend(&pdev->dev);
-	disable_irq(host->irq);
-	sunxi_mmc_disable(host);
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev)) {
+		disable_irq(host->irq);
+		sunxi_mmc_disable(host);
+	}
 	dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
 	mmc_free_host(mmc);
 
diff --git linux-libre-5.4.229-gnu1/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c linux-libre-5.4.230-gnu1/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index 031487eaf0c2..605f407680c7 100644
--- linux-libre-5.4.229-gnu1/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ linux-libre-5.4.230-gnu1/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1109,7 +1109,7 @@ static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo)
 				BRCMF_NROF_H2D_COMMON_MSGRINGS;
 		max_completionrings = BRCMF_NROF_D2H_COMMON_MSGRINGS;
 	}
-	if (max_flowrings > 256) {
+	if (max_flowrings > 512) {
 		brcmf_err(bus, "invalid max_flowrings(%d)\n", max_flowrings);
 		return -EIO;
 	}
diff --git linux-libre-5.4.229-gnu1/drivers/staging/comedi/drivers/adv_pci1760.c linux-libre-5.4.230-gnu1/drivers/staging/comedi/drivers/adv_pci1760.c
index f460f21efb90..0f6faf263c82 100644
--- linux-libre-5.4.229-gnu1/drivers/staging/comedi/drivers/adv_pci1760.c
+++ linux-libre-5.4.230-gnu1/drivers/staging/comedi/drivers/adv_pci1760.c
@@ -59,7 +59,7 @@
 #define PCI1760_CMD_CLR_IMB2		0x00	/* Clears IMB2 */
 #define PCI1760_CMD_SET_DO		0x01	/* Set output state */
 #define PCI1760_CMD_GET_DO		0x02	/* Read output status */
-#define PCI1760_CMD_GET_STATUS		0x03	/* Read current status */
+#define PCI1760_CMD_GET_STATUS		0x07	/* Read current status */
 #define PCI1760_CMD_GET_FW_VER		0x0e	/* Read firmware version */
 #define PCI1760_CMD_GET_HW_VER		0x0f	/* Read hardware version */
 #define PCI1760_CMD_SET_PWM_HI(x)	(0x10 + (x) * 2) /* Set "hi" period */
diff --git linux-libre-5.4.229-gnu1/drivers/tty/serial/atmel_serial.c linux-libre-5.4.230-gnu1/drivers/tty/serial/atmel_serial.c
index 3bd93558b443..6c0628c58efd 100644
--- linux-libre-5.4.229-gnu1/drivers/tty/serial/atmel_serial.c
+++ linux-libre-5.4.230-gnu1/drivers/tty/serial/atmel_serial.c
@@ -2642,13 +2642,7 @@ static void __init atmel_console_get_options(struct uart_port *port, int *baud,
 	else if (mr == ATMEL_US_PAR_ODD)
 		*parity = 'o';
 
-	/*
-	 * The serial core only rounds down when matching this to a
-	 * supported baud rate. Make sure we don't end up slightly
-	 * lower than one of those, as it would make us fall through
-	 * to a much lower baud rate than we really want.
-	 */
-	*baud = port->uartclk / (16 * (quot - 1));
+	*baud = port->uartclk / (16 * quot);
 }
 
 static int __init atmel_console_setup(struct console *co, char *options)
diff --git linux-libre-5.4.229-gnu1/drivers/tty/serial/pch_uart.c linux-libre-5.4.230-gnu1/drivers/tty/serial/pch_uart.c
index a8b6759140dd..317067184bfa 100644
--- linux-libre-5.4.229-gnu1/drivers/tty/serial/pch_uart.c
+++ linux-libre-5.4.230-gnu1/drivers/tty/serial/pch_uart.c
@@ -776,7 +776,7 @@ static void pch_dma_tx_complete(void *arg)
 	}
 	xmit->tail &= UART_XMIT_SIZE - 1;
 	async_tx_ack(priv->desc_tx);
-	dma_unmap_sg(port->dev, sg, priv->orig_nent, DMA_TO_DEVICE);
+	dma_unmap_sg(port->dev, priv->sg_tx_p, priv->orig_nent, DMA_TO_DEVICE);
 	priv->tx_dma_use = 0;
 	priv->nent = 0;
 	priv->orig_nent = 0;
diff --git linux-libre-5.4.229-gnu1/drivers/usb/core/hub.c linux-libre-5.4.230-gnu1/drivers/usb/core/hub.c
index 50c7df59f7e8..549bf04f29b2 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/core/hub.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/core/hub.c
@@ -41,6 +41,9 @@
 #define USB_PRODUCT_USB5534B			0x5534
 #define USB_VENDOR_CYPRESS			0x04b4
 #define USB_PRODUCT_CY7C65632			0x6570
+#define USB_VENDOR_TEXAS_INSTRUMENTS		0x0451
+#define USB_PRODUCT_TUSB8041_USB3		0x8140
+#define USB_PRODUCT_TUSB8041_USB2		0x8142
 #define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND	0x01
 #define HUB_QUIRK_DISABLE_AUTOSUSPEND		0x02
 
@@ -5587,6 +5590,16 @@ static const struct usb_device_id hub_id_table[] = {
       .idVendor = USB_VENDOR_GENESYS_LOGIC,
       .bInterfaceClass = USB_CLASS_HUB,
       .driver_info = HUB_QUIRK_CHECK_PORT_AUTOSUSPEND},
+    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
+			| USB_DEVICE_ID_MATCH_PRODUCT,
+      .idVendor = USB_VENDOR_TEXAS_INSTRUMENTS,
+      .idProduct = USB_PRODUCT_TUSB8041_USB2,
+      .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
+    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
+			| USB_DEVICE_ID_MATCH_PRODUCT,
+      .idVendor = USB_VENDOR_TEXAS_INSTRUMENTS,
+      .idProduct = USB_PRODUCT_TUSB8041_USB3,
+      .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
     { .match_flags = USB_DEVICE_ID_MATCH_DEV_CLASS,
       .bDeviceClass = USB_CLASS_HUB},
     { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
diff --git linux-libre-5.4.229-gnu1/drivers/usb/core/usb-acpi.c linux-libre-5.4.230-gnu1/drivers/usb/core/usb-acpi.c
index 9043d7242d67..14274b60b47b 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/core/usb-acpi.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/core/usb-acpi.c
@@ -37,6 +37,71 @@ bool usb_acpi_power_manageable(struct usb_device *hdev, int index)
 }
 EXPORT_SYMBOL_GPL(usb_acpi_power_manageable);
 
+#define UUID_USB_CONTROLLER_DSM "ce2ee385-00e6-48cb-9f05-2edb927c4899"
+#define USB_DSM_DISABLE_U1_U2_FOR_PORT	5
+
+/**
+ * usb_acpi_port_lpm_incapable - check if lpm should be disabled for a port.
+ * @hdev: USB device belonging to the usb hub
+ * @index: zero based port index
+ *
+ * Some USB3 ports may not support USB3 link power management U1/U2 states
+ * due to different retimer setup. ACPI provides _DSM method which returns 0x01
+ * if U1 and U2 states should be disabled. Evaluate _DSM with:
+ * Arg0: UUID = ce2ee385-00e6-48cb-9f05-2edb927c4899
+ * Arg1: Revision ID = 0
+ * Arg2: Function Index = 5
+ * Arg3: (empty)
+ *
+ * Return 1 if USB3 port is LPM incapable, negative on error, otherwise 0
+ */
+
+int usb_acpi_port_lpm_incapable(struct usb_device *hdev, int index)
+{
+	union acpi_object *obj;
+	acpi_handle port_handle;
+	int port1 = index + 1;
+	guid_t guid;
+	int ret;
+
+	ret = guid_parse(UUID_USB_CONTROLLER_DSM, &guid);
+	if (ret)
+		return ret;
+
+	port_handle = usb_get_hub_port_acpi_handle(hdev, port1);
+	if (!port_handle) {
+		dev_dbg(&hdev->dev, "port-%d no acpi handle\n", port1);
+		return -ENODEV;
+	}
+
+	if (!acpi_check_dsm(port_handle, &guid, 0,
+			    BIT(USB_DSM_DISABLE_U1_U2_FOR_PORT))) {
+		dev_dbg(&hdev->dev, "port-%d no _DSM function %d\n",
+			port1, USB_DSM_DISABLE_U1_U2_FOR_PORT);
+		return -ENODEV;
+	}
+
+	obj = acpi_evaluate_dsm(port_handle, &guid, 0,
+				USB_DSM_DISABLE_U1_U2_FOR_PORT, NULL);
+
+	if (!obj)
+		return -ENODEV;
+
+	if (obj->type != ACPI_TYPE_INTEGER) {
+		dev_dbg(&hdev->dev, "evaluate port-%d _DSM failed\n", port1);
+		ACPI_FREE(obj);
+		return -EINVAL;
+	}
+
+	if (obj->integer.value == 0x01)
+		ret = 1;
+
+	ACPI_FREE(obj);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(usb_acpi_port_lpm_incapable);
+
 /**
  * usb_acpi_set_power_state - control usb port's power via acpi power
  * resource
diff --git linux-libre-5.4.229-gnu1/drivers/usb/gadget/function/f_ncm.c linux-libre-5.4.230-gnu1/drivers/usb/gadget/function/f_ncm.c
index 9b19d6935df9..5558ea5ac77a 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/gadget/function/f_ncm.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/gadget/function/f_ncm.c
@@ -85,7 +85,9 @@ static inline struct f_ncm *func_to_ncm(struct usb_function *f)
 /* peak (theoretical) bulk transfer rate in bits-per-second */
 static inline unsigned ncm_bitrate(struct usb_gadget *g)
 {
-	if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS)
+	if (!g)
+		return 0;
+	else if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS)
 		return 4250000000U;
 	else if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER)
 		return 3750000000U;
diff --git linux-libre-5.4.229-gnu1/drivers/usb/gadget/legacy/inode.c linux-libre-5.4.230-gnu1/drivers/usb/gadget/legacy/inode.c
index 97c73d610eeb..dd72e75beb82 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/gadget/legacy/inode.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/gadget/legacy/inode.c
@@ -229,6 +229,7 @@ static void put_ep (struct ep_data *data)
  */
 
 static const char *CHIP;
+static DEFINE_MUTEX(sb_mutex);		/* Serialize superblock operations */
 
 /*----------------------------------------------------------------------*/
 
@@ -2013,13 +2014,20 @@ gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc)
 {
 	struct inode	*inode;
 	struct dev_data	*dev;
+	int		rc;
 
-	if (the_device)
-		return -ESRCH;
+	mutex_lock(&sb_mutex);
+
+	if (the_device) {
+		rc = -ESRCH;
+		goto Done;
+	}
 
 	CHIP = usb_get_gadget_udc_name();
-	if (!CHIP)
-		return -ENODEV;
+	if (!CHIP) {
+		rc = -ENODEV;
+		goto Done;
+	}
 
 	/* superblock */
 	sb->s_blocksize = PAGE_SIZE;
@@ -2056,13 +2064,17 @@ gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc)
 	 * from binding to a controller.
 	 */
 	the_device = dev;
-	return 0;
+	rc = 0;
+	goto Done;
 
-Enomem:
+ Enomem:
 	kfree(CHIP);
 	CHIP = NULL;
+	rc = -ENOMEM;
 
-	return -ENOMEM;
+ Done:
+	mutex_unlock(&sb_mutex);
+	return rc;
 }
 
 /* "mount -t gadgetfs path /dev/gadget" ends up here */
@@ -2084,6 +2096,7 @@ static int gadgetfs_init_fs_context(struct fs_context *fc)
 static void
 gadgetfs_kill_sb (struct super_block *sb)
 {
+	mutex_lock(&sb_mutex);
 	kill_litter_super (sb);
 	if (the_device) {
 		put_dev (the_device);
@@ -2091,6 +2104,7 @@ gadgetfs_kill_sb (struct super_block *sb)
 	}
 	kfree(CHIP);
 	CHIP = NULL;
+	mutex_unlock(&sb_mutex);
 }
 
 /*----------------------------------------------------------------------*/
diff --git linux-libre-5.4.229-gnu1/drivers/usb/gadget/legacy/webcam.c linux-libre-5.4.230-gnu1/drivers/usb/gadget/legacy/webcam.c
index 2c9eab2b863d..ff970a943347 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/gadget/legacy/webcam.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/gadget/legacy/webcam.c
@@ -293,6 +293,7 @@ static const struct uvc_descriptor_header * const uvc_fs_streaming_cls[] = {
 	(const struct uvc_descriptor_header *) &uvc_format_yuv,
 	(const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
 	(const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
+	(const struct uvc_descriptor_header *) &uvc_color_matching,
 	(const struct uvc_descriptor_header *) &uvc_format_mjpg,
 	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
 	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
@@ -305,6 +306,7 @@ static const struct uvc_descriptor_header * const uvc_hs_streaming_cls[] = {
 	(const struct uvc_descriptor_header *) &uvc_format_yuv,
 	(const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
 	(const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
+	(const struct uvc_descriptor_header *) &uvc_color_matching,
 	(const struct uvc_descriptor_header *) &uvc_format_mjpg,
 	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
 	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
@@ -317,6 +319,7 @@ static const struct uvc_descriptor_header * const uvc_ss_streaming_cls[] = {
 	(const struct uvc_descriptor_header *) &uvc_format_yuv,
 	(const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
 	(const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
+	(const struct uvc_descriptor_header *) &uvc_color_matching,
 	(const struct uvc_descriptor_header *) &uvc_format_mjpg,
 	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
 	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
diff --git linux-libre-5.4.229-gnu1/drivers/usb/host/ehci-fsl.c linux-libre-5.4.230-gnu1/drivers/usb/host/ehci-fsl.c
index 9e9c232e896f..b66cc64f084c 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/host/ehci-fsl.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/host/ehci-fsl.c
@@ -29,7 +29,7 @@
 #include "ehci-fsl.h"
 
 #define DRIVER_DESC "Freescale EHCI Host controller driver"
-#define DRV_NAME "ehci-fsl"
+#define DRV_NAME "fsl-ehci"
 
 static struct hc_driver __read_mostly fsl_ehci_hc_driver;
 
diff --git linux-libre-5.4.229-gnu1/drivers/usb/host/xhci-pci.c linux-libre-5.4.230-gnu1/drivers/usb/host/xhci-pci.c
index 8bd55e51ecfc..aa4c21a12de7 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/host/xhci-pci.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/host/xhci-pci.c
@@ -79,9 +79,12 @@ static const char hcd_name[] = "xhci_hcd";
 static struct hc_driver __read_mostly xhci_pci_hc_driver;
 
 static int xhci_pci_setup(struct usb_hcd *hcd);
+static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+				      struct usb_tt *tt, gfp_t mem_flags);
 
 static const struct xhci_driver_overrides xhci_pci_overrides __initconst = {
 	.reset = xhci_pci_setup,
+	.update_hub_device = xhci_pci_update_hub_device,
 };
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -336,8 +339,38 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
 				NULL);
 	ACPI_FREE(obj);
 }
+
+static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev)
+{
+	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
+	struct xhci_hub *rhub = &xhci->usb3_rhub;
+	int ret;
+	int i;
+
+	/* This is not the usb3 roothub we are looking for */
+	if (hcd != rhub->hcd)
+		return;
+
+	if (hdev->maxchild > rhub->num_ports) {
+		dev_err(&hdev->dev, "USB3 roothub port number mismatch\n");
+		return;
+	}
+
+	for (i = 0; i < hdev->maxchild; i++) {
+		ret = usb_acpi_port_lpm_incapable(hdev, i);
+
+		dev_dbg(&hdev->dev, "port-%d disable U1/U2 _DSM: %d\n", i + 1, ret);
+
+		if (ret >= 0) {
+			rhub->ports[i]->lpm_incapable = ret;
+			continue;
+		}
+	}
+}
+
 #else
 static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
+static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev) { }
 #endif /* CONFIG_ACPI */
 
 /* called during probe() after chip reset completes */
@@ -370,6 +403,16 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 	return xhci_pci_reinit(xhci, pdev);
 }
 
+static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+				      struct usb_tt *tt, gfp_t mem_flags)
+{
+	/* Check if acpi claims some USB3 roothub ports are lpm incapable */
+	if (!hdev->parent)
+		xhci_find_lpm_incapable_ports(hcd, hdev);
+
+	return xhci_update_hub_device(hcd, hdev, tt, mem_flags);
+}
+
 /*
  * We need to register our own PCI probe function (instead of the USB core's
  * function) in order to create a second roothub under xHCI.
@@ -427,6 +470,8 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
 		pm_runtime_allow(&dev->dev);
 
+	dma_set_max_seg_size(&dev->dev, UINT_MAX);
+
 	return 0;
 
 put_usb3_hcd:
diff --git linux-libre-5.4.229-gnu1/drivers/usb/host/xhci-ring.c linux-libre-5.4.230-gnu1/drivers/usb/host/xhci-ring.c
index 6cedae902adf..e6faabe65bd5 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/host/xhci-ring.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/host/xhci-ring.c
@@ -921,7 +921,10 @@ static void xhci_kill_endpoint_urbs(struct xhci_hcd *xhci,
 	struct xhci_virt_ep *ep;
 	struct xhci_ring *ring;
 
-	ep = &xhci->devs[slot_id]->eps[ep_index];
+	ep = xhci_get_virt_ep(xhci, slot_id, ep_index);
+	if (!ep)
+		return;
+
 	if ((ep->ep_state & EP_HAS_STREAMS) ||
 			(ep->ep_state & EP_GETTING_NO_STREAMS)) {
 		int stream_id;
diff --git linux-libre-5.4.229-gnu1/drivers/usb/host/xhci.c linux-libre-5.4.230-gnu1/drivers/usb/host/xhci.c
index 3537113f006f..35d96796854d 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/host/xhci.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/host/xhci.c
@@ -3909,6 +3909,7 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	struct xhci_virt_device *virt_dev;
 	struct xhci_slot_ctx *slot_ctx;
+	unsigned long flags;
 	int i, ret;
 
 	/*
@@ -3937,7 +3938,11 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
 	}
 	virt_dev->udev = NULL;
 	xhci_disable_slot(xhci, udev->slot_id);
+
+	spin_lock_irqsave(&xhci->lock, flags);
 	xhci_free_virt_device(xhci, udev->slot_id);
+	spin_unlock_irqrestore(&xhci->lock, flags);
+
 }
 
 int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
@@ -4994,6 +4999,7 @@ static int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd,
 			struct usb_device *udev, enum usb3_link_state state)
 {
 	struct xhci_hcd	*xhci;
+	struct xhci_port *port;
 	u16 hub_encoded_timeout;
 	int mel;
 	int ret;
@@ -5007,6 +5013,13 @@ static int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd,
 			!xhci->devs[udev->slot_id])
 		return USB3_LPM_DISABLED;
 
+	/* If connected to root port then check port can handle lpm */
+	if (udev->parent && !udev->parent->parent) {
+		port = xhci->usb3_rhub.ports[udev->portnum - 1];
+		if (port->lpm_incapable)
+			return USB3_LPM_DISABLED;
+	}
+
 	hub_encoded_timeout = xhci_calculate_lpm_timeout(hcd, udev, state);
 	mel = calculate_max_exit_latency(udev, state, hub_encoded_timeout);
 	if (mel < 0) {
@@ -5066,7 +5079,7 @@ static int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd,
 /* Once a hub descriptor is fetched for a device, we need to update the xHC's
  * internal data structures for the device.
  */
-static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
 			struct usb_tt *tt, gfp_t mem_flags)
 {
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
@@ -5166,6 +5179,7 @@ static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
 	xhci_free_command(xhci, config_cmd);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(xhci_update_hub_device);
 
 static int xhci_get_frame(struct usb_hcd *hcd)
 {
@@ -5435,6 +5449,8 @@ void xhci_init_driver(struct hc_driver *drv,
 			drv->check_bandwidth = over->check_bandwidth;
 		if (over->reset_bandwidth)
 			drv->reset_bandwidth = over->reset_bandwidth;
+		if (over->update_hub_device)
+			drv->update_hub_device = over->update_hub_device;
 	}
 }
 EXPORT_SYMBOL_GPL(xhci_init_driver);
diff --git linux-libre-5.4.229-gnu1/drivers/usb/host/xhci.h linux-libre-5.4.230-gnu1/drivers/usb/host/xhci.h
index 0dc448630197..e696f1508318 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/host/xhci.h
+++ linux-libre-5.4.230-gnu1/drivers/usb/host/xhci.h
@@ -1724,6 +1724,7 @@ struct xhci_port {
 	int			hcd_portnum;
 	struct xhci_hub		*rhub;
 	struct xhci_port_cap	*port_cap;
+	unsigned int		lpm_incapable:1;
 };
 
 struct xhci_hub {
@@ -1922,6 +1923,8 @@ struct xhci_driver_overrides {
 	int (*start)(struct usb_hcd *hcd);
 	int (*check_bandwidth)(struct usb_hcd *, struct usb_device *);
 	void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *);
+	int (*update_hub_device)(struct usb_hcd *hcd, struct usb_device *hdev,
+			    struct usb_tt *tt, gfp_t mem_flags);
 };
 
 #define	XHCI_CFC_DELAY		10
@@ -2076,6 +2079,8 @@ void xhci_init_driver(struct hc_driver *drv,
 		      const struct xhci_driver_overrides *over);
 int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
+int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+			   struct usb_tt *tt, gfp_t mem_flags);
 int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id);
 int xhci_ext_cap_init(struct xhci_hcd *xhci);
 
diff --git linux-libre-5.4.229-gnu1/drivers/usb/misc/iowarrior.c linux-libre-5.4.230-gnu1/drivers/usb/misc/iowarrior.c
index 888defdea546..c366a65fbd80 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/misc/iowarrior.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/misc/iowarrior.c
@@ -817,7 +817,7 @@ static int iowarrior_probe(struct usb_interface *interface,
 			break;
 
 		case USB_DEVICE_ID_CODEMERCS_IOW100:
-			dev->report_size = 13;
+			dev->report_size = 12;
 			break;
 		}
 	}
diff --git linux-libre-5.4.229-gnu1/drivers/usb/serial/cp210x.c linux-libre-5.4.230-gnu1/drivers/usb/serial/cp210x.c
index 9992c5aa5ff4..4cd46fc9fcad 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/serial/cp210x.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/serial/cp210x.c
@@ -61,6 +61,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */
 	{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
 	{ USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */
+	{ USB_DEVICE(0x0908, 0x0070) }, /* Siemens SCALANCE LPE-9000 USB Serial Console */
 	{ USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */
 	{ USB_DEVICE(0x0988, 0x0578) }, /* Teraoka AD2000 */
 	{ USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */
diff --git linux-libre-5.4.229-gnu1/drivers/usb/serial/option.c linux-libre-5.4.230-gnu1/drivers/usb/serial/option.c
index 08a368a0f745..159b01b9e172 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/serial/option.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/serial/option.c
@@ -255,10 +255,16 @@ static void option_instat_callback(struct urb *urb);
 #define QUECTEL_PRODUCT_EP06			0x0306
 #define QUECTEL_PRODUCT_EM05G			0x030a
 #define QUECTEL_PRODUCT_EM060K			0x030b
+#define QUECTEL_PRODUCT_EM05G_CS		0x030c
+#define QUECTEL_PRODUCT_EM05CN_SG		0x0310
 #define QUECTEL_PRODUCT_EM05G_SG		0x0311
+#define QUECTEL_PRODUCT_EM05CN			0x0312
+#define QUECTEL_PRODUCT_EM05G_GR		0x0313
+#define QUECTEL_PRODUCT_EM05G_RS		0x0314
 #define QUECTEL_PRODUCT_EM12			0x0512
 #define QUECTEL_PRODUCT_RM500Q			0x0800
 #define QUECTEL_PRODUCT_RM520N			0x0801
+#define QUECTEL_PRODUCT_EC200U			0x0901
 #define QUECTEL_PRODUCT_EC200S_CN		0x6002
 #define QUECTEL_PRODUCT_EC200T			0x6026
 #define QUECTEL_PRODUCT_RM500K			0x7001
@@ -1159,8 +1165,18 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
 	  .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) },
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05CN, 0xff),
+	  .driver_info = RSVD(6) | ZLP },
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05CN_SG, 0xff),
+	  .driver_info = RSVD(6) | ZLP },
 	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G, 0xff),
 	  .driver_info = RSVD(6) | ZLP },
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_GR, 0xff),
+	  .driver_info = RSVD(6) | ZLP },
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_CS, 0xff),
+	  .driver_info = RSVD(6) | ZLP },
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_RS, 0xff),
+	  .driver_info = RSVD(6) | ZLP },
 	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_SG, 0xff),
 	  .driver_info = RSVD(6) | ZLP },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0x00, 0x40) },
@@ -1180,6 +1196,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0xff, 0x30) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0, 0x40) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200U, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) },
diff --git linux-libre-5.4.229-gnu1/drivers/usb/storage/uas-detect.h linux-libre-5.4.230-gnu1/drivers/usb/storage/uas-detect.h
index 3734a25e09e5..44f0b78be8a9 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/storage/uas-detect.h
+++ linux-libre-5.4.230-gnu1/drivers/usb/storage/uas-detect.h
@@ -116,6 +116,19 @@ static int uas_use_uas_driver(struct usb_interface *intf,
 	if (le16_to_cpu(udev->descriptor.idVendor) == 0x0bc2)
 		flags |= US_FL_NO_ATA_1X;
 
+	/*
+	 * RTL9210-based enclosure from HIKSEMI, MD202 reportedly have issues
+	 * with UAS.  This isn't distinguishable with just idVendor and
+	 * idProduct, use manufacturer and product too.
+	 *
+	 * Reported-by: Hongling Zeng <zenghongling@kylinos.cn>
+	 */
+	if (le16_to_cpu(udev->descriptor.idVendor) == 0x0bda &&
+			le16_to_cpu(udev->descriptor.idProduct) == 0x9210 &&
+			(udev->manufacturer && !strcmp(udev->manufacturer, "HIKSEMI")) &&
+			(udev->product && !strcmp(udev->product, "MD202")))
+		flags |= US_FL_IGNORE_UAS;
+
 	usb_stor_adjust_quirks(udev, &flags);
 
 	if (flags & US_FL_IGNORE_UAS) {
diff --git linux-libre-5.4.229-gnu1/drivers/usb/storage/unusual_uas.h linux-libre-5.4.230-gnu1/drivers/usb/storage/unusual_uas.h
index 92e9bd006622..d4fa29b623ff 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/storage/unusual_uas.h
+++ linux-libre-5.4.230-gnu1/drivers/usb/storage/unusual_uas.h
@@ -83,13 +83,6 @@ UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_REPORT_LUNS),
 
-/* Reported-by: Hongling Zeng <zenghongling@kylinos.cn> */
-UNUSUAL_DEV(0x0bda, 0x9210, 0x0000, 0x9999,
-		"Hiksemi",
-		"External HDD",
-		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
-		US_FL_IGNORE_UAS),
-
 /* Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> */
 UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999,
 		"Initio Corporation",
diff --git linux-libre-5.4.229-gnu1/drivers/usb/typec/altmodes/displayport.c linux-libre-5.4.230-gnu1/drivers/usb/typec/altmodes/displayport.c
index 0b5cbf5ed1ca..1aa1bd991ef4 100644
--- linux-libre-5.4.229-gnu1/drivers/usb/typec/altmodes/displayport.c
+++ linux-libre-5.4.230-gnu1/drivers/usb/typec/altmodes/displayport.c
@@ -407,6 +407,18 @@ static const char * const pin_assignments[] = {
 	[DP_PIN_ASSIGN_F] = "F",
 };
 
+/*
+ * Helper function to extract a peripheral's currently supported
+ * Pin Assignments from its DisplayPort alternate mode state.
+ */
+static u8 get_current_pin_assignments(struct dp_altmode *dp)
+{
+	if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D)
+		return DP_CAP_PIN_ASSIGN_DFP_D(dp->alt->vdo);
+	else
+		return DP_CAP_PIN_ASSIGN_UFP_D(dp->alt->vdo);
+}
+
 static ssize_t
 pin_assignment_store(struct device *dev, struct device_attribute *attr,
 		     const char *buf, size_t size)
@@ -433,10 +445,7 @@ pin_assignment_store(struct device *dev, struct device_attribute *attr,
 		goto out_unlock;
 	}
 
-	if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D)
-		assignments = DP_CAP_UFP_D_PIN_ASSIGN(dp->alt->vdo);
-	else
-		assignments = DP_CAP_DFP_D_PIN_ASSIGN(dp->alt->vdo);
+	assignments = get_current_pin_assignments(dp);
 
 	if (!(DP_CONF_GET_PIN_ASSIGN(conf) & assignments)) {
 		ret = -EINVAL;
@@ -473,10 +482,7 @@ static ssize_t pin_assignment_show(struct device *dev,
 
 	cur = get_count_order(DP_CONF_GET_PIN_ASSIGN(dp->data.conf));
 
-	if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D)
-		assignments = DP_CAP_UFP_D_PIN_ASSIGN(dp->alt->vdo);
-	else
-		assignments = DP_CAP_DFP_D_PIN_ASSIGN(dp->alt->vdo);
+	assignments = get_current_pin_assignments(dp);
 
 	for (i = 0; assignments; assignments >>= 1, i++) {
 		if (assignments & 1) {
diff --git linux-libre-5.4.229-gnu1/fs/btrfs/qgroup.c linux-libre-5.4.230-gnu1/fs/btrfs/qgroup.c
index 5c8507e74bc1..353e89efdebf 100644
--- linux-libre-5.4.229-gnu1/fs/btrfs/qgroup.c
+++ linux-libre-5.4.230-gnu1/fs/btrfs/qgroup.c
@@ -3209,6 +3209,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
 	int err = -ENOMEM;
 	int ret = 0;
 	bool stopped = false;
+	bool did_leaf_rescans = false;
 
 	path = btrfs_alloc_path();
 	if (!path)
@@ -3229,6 +3230,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
 		}
 
 		err = qgroup_rescan_leaf(trans, path);
+		did_leaf_rescans = true;
 
 		if (err > 0)
 			btrfs_commit_transaction(trans);
@@ -3249,16 +3251,23 @@ out:
 	mutex_unlock(&fs_info->qgroup_rescan_lock);
 
 	/*
-	 * only update status, since the previous part has already updated the
-	 * qgroup info.
+	 * Only update status, since the previous part has already updated the
+	 * qgroup info, and only if we did any actual work. This also prevents
+	 * race with a concurrent quota disable, which has already set
+	 * fs_info->quota_root to NULL and cleared BTRFS_FS_QUOTA_ENABLED at
+	 * btrfs_quota_disable().
 	 */
-	trans = btrfs_start_transaction(fs_info->quota_root, 1);
-	if (IS_ERR(trans)) {
-		err = PTR_ERR(trans);
+	if (did_leaf_rescans) {
+		trans = btrfs_start_transaction(fs_info->quota_root, 1);
+		if (IS_ERR(trans)) {
+			err = PTR_ERR(trans);
+			trans = NULL;
+			btrfs_err(fs_info,
+				  "fail to start transaction for status update: %d",
+				  err);
+		}
+	} else {
 		trans = NULL;
-		btrfs_err(fs_info,
-			  "fail to start transaction for status update: %d",
-			  err);
 	}
 
 	mutex_lock(&fs_info->qgroup_rescan_lock);
diff --git linux-libre-5.4.229-gnu1/fs/cifs/smb2pdu.c linux-libre-5.4.230-gnu1/fs/cifs/smb2pdu.c
index ec2dbb8df3d3..da1a1b531ca5 100644
--- linux-libre-5.4.229-gnu1/fs/cifs/smb2pdu.c
+++ linux-libre-5.4.230-gnu1/fs/cifs/smb2pdu.c
@@ -3639,12 +3639,15 @@ smb2_readv_callback(struct mid_q_entry *mid)
 				(struct smb2_sync_hdr *)rdata->iov[0].iov_base;
 	struct cifs_credits credits = { .value = 0, .instance = 0 };
 	struct smb_rqst rqst = { .rq_iov = &rdata->iov[1],
-				 .rq_nvec = 1,
-				 .rq_pages = rdata->pages,
-				 .rq_offset = rdata->page_offset,
-				 .rq_npages = rdata->nr_pages,
-				 .rq_pagesz = rdata->pagesz,
-				 .rq_tailsz = rdata->tailsz };
+				 .rq_nvec = 1, };
+
+	if (rdata->got_bytes) {
+		rqst.rq_pages = rdata->pages;
+		rqst.rq_offset = rdata->page_offset;
+		rqst.rq_npages = rdata->nr_pages;
+		rqst.rq_pagesz = rdata->pagesz;
+		rqst.rq_tailsz = rdata->tailsz;
+	}
 
 	cifs_dbg(FYI, "%s: mid=%llu state=%d result=%d bytes=%u\n",
 		 __func__, mid->mid, mid->mid_state, rdata->result,
diff --git linux-libre-5.4.229-gnu1/fs/f2fs/extent_cache.c linux-libre-5.4.230-gnu1/fs/f2fs/extent_cache.c
index 05b17a741ccc..dd53c9294ad9 100644
--- linux-libre-5.4.229-gnu1/fs/f2fs/extent_cache.c
+++ linux-libre-5.4.230-gnu1/fs/f2fs/extent_cache.c
@@ -381,7 +381,8 @@ static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs,
 	struct extent_node *en;
 	bool ret = false;
 
-	f2fs_bug_on(sbi, !et);
+	if (!et)
+		return false;
 
 	trace_f2fs_lookup_extent_tree_start(inode, pgofs);
 
diff --git linux-libre-5.4.229-gnu1/fs/nfs/filelayout/filelayout.c linux-libre-5.4.230-gnu1/fs/nfs/filelayout/filelayout.c
index 98b74cdabb99..8c72718d9fe0 100644
--- linux-libre-5.4.229-gnu1/fs/nfs/filelayout/filelayout.c
+++ linux-libre-5.4.230-gnu1/fs/nfs/filelayout/filelayout.c
@@ -837,6 +837,12 @@ filelayout_alloc_lseg(struct pnfs_layout_hdr *layoutid,
 	return &fl->generic_hdr;
 }
 
+static bool
+filelayout_lseg_is_striped(const struct nfs4_filelayout_segment *flseg)
+{
+	return flseg->num_fh > 1;
+}
+
 /*
  * filelayout_pg_test(). Called by nfs_can_coalesce_requests()
  *
@@ -857,6 +863,8 @@ filelayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev,
 	size = pnfs_generic_pg_test(pgio, prev, req);
 	if (!size)
 		return 0;
+	else if (!filelayout_lseg_is_striped(FILELAYOUT_LSEG(pgio->pg_lseg)))
+		return size;
 
 	/* see if req and prev are in the same stripe */
 	if (prev) {
diff --git linux-libre-5.4.229-gnu1/fs/nilfs2/btree.c linux-libre-5.4.230-gnu1/fs/nilfs2/btree.c
index 919d1238ce45..a0e37530dcf3 100644
--- linux-libre-5.4.229-gnu1/fs/nilfs2/btree.c
+++ linux-libre-5.4.230-gnu1/fs/nilfs2/btree.c
@@ -480,9 +480,18 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
 	ret = nilfs_btnode_submit_block(btnc, ptr, 0, REQ_OP_READ, 0, &bh,
 					&submit_ptr);
 	if (ret) {
-		if (ret != -EEXIST)
-			return ret;
-		goto out_check;
+		if (likely(ret == -EEXIST))
+			goto out_check;
+		if (ret == -ENOENT) {
+			/*
+			 * Block address translation failed due to invalid
+			 * value of 'ptr'.  In this case, return internal code
+			 * -EINVAL (broken bmap) to notify bmap layer of fatal
+			 * metadata corruption.
+			 */
+			ret = -EINVAL;
+		}
+		return ret;
 	}
 
 	if (ra) {
diff --git linux-libre-5.4.229-gnu1/include/linux/usb.h linux-libre-5.4.230-gnu1/include/linux/usb.h
index 703c7464d895..c4e919cbbec7 100644
--- linux-libre-5.4.229-gnu1/include/linux/usb.h
+++ linux-libre-5.4.230-gnu1/include/linux/usb.h
@@ -751,11 +751,14 @@ extern void usb_queue_reset_device(struct usb_interface *dev);
 extern int usb_acpi_set_power_state(struct usb_device *hdev, int index,
 	bool enable);
 extern bool usb_acpi_power_manageable(struct usb_device *hdev, int index);
+extern int usb_acpi_port_lpm_incapable(struct usb_device *hdev, int index);
 #else
 static inline int usb_acpi_set_power_state(struct usb_device *hdev, int index,
 	bool enable) { return 0; }
 static inline bool usb_acpi_power_manageable(struct usb_device *hdev, int index)
 	{ return true; }
+static inline int usb_acpi_port_lpm_incapable(struct usb_device *hdev, int index)
+	{ return 0; }
 #endif
 
 /* USB autosuspend and autoresume */
diff --git linux-libre-5.4.229-gnu1/kernel/sys.c linux-libre-5.4.230-gnu1/kernel/sys.c
index b075fe84eb5a..f6d6ce8da3e4 100644
--- linux-libre-5.4.229-gnu1/kernel/sys.c
+++ linux-libre-5.4.230-gnu1/kernel/sys.c
@@ -1534,6 +1534,8 @@ int do_prlimit(struct task_struct *tsk, unsigned int resource,
 
 	if (resource >= RLIM_NLIMITS)
 		return -EINVAL;
+	resource = array_index_nospec(resource, RLIM_NLIMITS);
+
 	if (new_rlim) {
 		if (new_rlim->rlim_cur > new_rlim->rlim_max)
 			return -EINVAL;
diff --git linux-libre-5.4.229-gnu1/mm/khugepaged.c linux-libre-5.4.230-gnu1/mm/khugepaged.c
index 8e67d2e5ff39..f1f98305433e 100644
--- linux-libre-5.4.229-gnu1/mm/khugepaged.c
+++ linux-libre-5.4.230-gnu1/mm/khugepaged.c
@@ -1328,14 +1328,6 @@ void collapse_pte_mapped_thp(struct mm_struct *mm, unsigned long addr)
 	if (!hugepage_vma_check(vma, vma->vm_flags | VM_HUGEPAGE))
 		return;
 
-	/*
-	 * Symmetry with retract_page_tables(): Exclude MAP_PRIVATE mappings
-	 * that got written to. Without this, we'd have to also lock the
-	 * anon_vma if one exists.
-	 */
-	if (vma->anon_vma)
-		return;
-
 	hpage = find_lock_page(vma->vm_file->f_mapping,
 			       linear_page_index(vma, haddr));
 	if (!hpage)
@@ -1407,6 +1399,10 @@ void collapse_pte_mapped_thp(struct mm_struct *mm, unsigned long addr)
 	}
 
 	/* step 4: collapse pmd */
+	/* we make no change to anon, but protect concurrent anon page lookup */
+	if (vma->anon_vma)
+		anon_vma_lock_write(vma->anon_vma);
+
 	mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm, haddr,
 				haddr + HPAGE_PMD_SIZE);
 	mmu_notifier_invalidate_range_start(&range);
@@ -1416,6 +1412,8 @@ void collapse_pte_mapped_thp(struct mm_struct *mm, unsigned long addr)
 	mmu_notifier_invalidate_range_end(&range);
 	pte_free(mm, pmd_pgtable(_pmd));
 
+	if (vma->anon_vma)
+		anon_vma_unlock_write(vma->anon_vma);
 	i_mmap_unlock_write(vma->vm_file->f_mapping);
 
 drop_hpage:
diff --git linux-libre-5.4.229-gnu1/net/core/ethtool.c linux-libre-5.4.230-gnu1/net/core/ethtool.c
index cbd1885f2459..9ae38c3e2bf0 100644
--- linux-libre-5.4.229-gnu1/net/core/ethtool.c
+++ linux-libre-5.4.230-gnu1/net/core/ethtool.c
@@ -1947,7 +1947,8 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
 		return n_stats;
 	if (n_stats > S32_MAX / sizeof(u64))
 		return -ENOMEM;
-	WARN_ON_ONCE(!n_stats);
+	if (WARN_ON_ONCE(!n_stats))
+		return -EOPNOTSUPP;
 
 	if (copy_from_user(&stats, useraddr, sizeof(stats)))
 		return -EFAULT;
diff --git linux-libre-5.4.229-gnu1/sound/pci/hda/patch_realtek.c linux-libre-5.4.230-gnu1/sound/pci/hda/patch_realtek.c
index ee4f70cea76e..413d4886f3d2 100644
--- linux-libre-5.4.229-gnu1/sound/pci/hda/patch_realtek.c
+++ linux-libre-5.4.230-gnu1/sound/pci/hda/patch_realtek.c
@@ -3503,6 +3503,15 @@ static void alc256_init(struct hda_codec *codec)
 	hda_nid_t hp_pin = alc_get_hp_pin(spec);
 	bool hp_pin_sense;
 
+	if (spec->ultra_low_power) {
+		alc_update_coef_idx(codec, 0x03, 1<<1, 1<<1);
+		alc_update_coef_idx(codec, 0x08, 3<<2, 3<<2);
+		alc_update_coef_idx(codec, 0x08, 7<<4, 0);
+		alc_update_coef_idx(codec, 0x3b, 1<<15, 0);
+		alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
+		msleep(30);
+	}
+
 	if (!hp_pin)
 		hp_pin = 0x21;
 
@@ -3514,14 +3523,6 @@ static void alc256_init(struct hda_codec *codec)
 		msleep(2);
 
 	alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x1); /* Low power */
-	if (spec->ultra_low_power) {
-		alc_update_coef_idx(codec, 0x03, 1<<1, 1<<1);
-		alc_update_coef_idx(codec, 0x08, 3<<2, 3<<2);
-		alc_update_coef_idx(codec, 0x08, 7<<4, 0);
-		alc_update_coef_idx(codec, 0x3b, 1<<15, 0);
-		alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
-		msleep(30);
-	}
 
 	snd_hda_codec_write(codec, hp_pin, 0,
 			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
@@ -3603,6 +3604,13 @@ static void alc225_init(struct hda_codec *codec)
 	hda_nid_t hp_pin = alc_get_hp_pin(spec);
 	bool hp1_pin_sense, hp2_pin_sense;
 
+	if (spec->ultra_low_power) {
+		alc_update_coef_idx(codec, 0x08, 0x0f << 2, 3<<2);
+		alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
+		alc_update_coef_idx(codec, 0x33, 1<<11, 0);
+		msleep(30);
+	}
+
 	if (!hp_pin)
 		hp_pin = 0x21;
 	msleep(30);
@@ -3614,12 +3622,6 @@ static void alc225_init(struct hda_codec *codec)
 		msleep(2);
 
 	alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x1); /* Low power */
-	if (spec->ultra_low_power) {
-		alc_update_coef_idx(codec, 0x08, 0x0f << 2, 3<<2);
-		alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
-		alc_update_coef_idx(codec, 0x33, 1<<11, 0);
-		msleep(30);
-	}
 
 	if (hp1_pin_sense || spec->ultra_low_power)
 		snd_hda_codec_write(codec, hp_pin, 0,
diff --git linux-libre-5.4.229-gnu1/tools/testing/selftests/bpf/prog_tests/jeq_infer_not_null.c linux-libre-5.4.230-gnu1/tools/testing/selftests/bpf/prog_tests/jeq_infer_not_null.c
new file mode 100644
index 000000000000..3add34df5767
--- /dev/null
+++ linux-libre-5.4.230-gnu1/tools/testing/selftests/bpf/prog_tests/jeq_infer_not_null.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "jeq_infer_not_null_fail.skel.h"
+
+void test_jeq_infer_not_null(void)
+{
+	RUN_TESTS(jeq_infer_not_null_fail);
+}
diff --git linux-libre-5.4.229-gnu1/tools/testing/selftests/bpf/progs/jeq_infer_not_null_fail.c linux-libre-5.4.230-gnu1/tools/testing/selftests/bpf/progs/jeq_infer_not_null_fail.c
new file mode 100644
index 000000000000..f46965053acb
--- /dev/null
+++ linux-libre-5.4.230-gnu1/tools/testing/selftests/bpf/progs/jeq_infer_not_null_fail.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, u64);
+	__type(value, u64);
+} m_hash SEC(".maps");
+
+SEC("?raw_tp")
+__failure __msg("R8 invalid mem access 'map_value_or_null")
+int jeq_infer_not_null_ptr_to_btfid(void *ctx)
+{
+	struct bpf_map *map = (struct bpf_map *)&m_hash;
+	struct bpf_map *inner_map = map->inner_map_meta;
+	u64 key = 0, ret = 0, *val;
+
+	val = bpf_map_lookup_elem(map, &key);
+	/* Do not mark ptr as non-null if one of them is
+	 * PTR_TO_BTF_ID (R9), reject because of invalid
+	 * access to map value (R8).
+	 *
+	 * Here, we need to inline those insns to access
+	 * R8 directly, since compiler may use other reg
+	 * once it figures out val==inner_map.
+	 */
+	asm volatile("r8 = %[val];\n"
+		     "r9 = %[inner_map];\n"
+		     "if r8 != r9 goto +1;\n"
+		     "%[ret] = *(u64 *)(r8 +0);\n"
+		     : [ret] "+r"(ret)
+		     : [inner_map] "r"(inner_map), [val] "r"(val)
+		     : "r8", "r9");
+
+	return ret;
+}
