Linux 5.10.249

index 0c3b8fa7e532..bcc40b7850cb 100644
@@ -1088,13 +1088,22 @@ static inline bool intel_pmu_has_bts_period(struct perf_event *event, u64 period
 	struct hw_perf_event *hwc = &event->hw;
 	unsigned int hw_event, bts_event;
 
-	if (event->attr.freq)
+	/*
+	 * Only use BTS for fixed rate period==1 events.
+	 */
+	if (event->attr.freq || period != 1)
+		return false;
+
+	/*
+	 * BTS doesn't virtualize.
+	 */
+	if (event->attr.exclude_host)
 		return false;
 
 	hw_event = hwc->config & INTEL_ARCH_EVENT_MASK;
 	bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS);
 
-	return hw_event == bts_event && period == 1;
+	return hw_event == bts_event;
 }
 
 static inline bool intel_pmu_has_bts(struct perf_event *event)

index 32005e229c03..861c9c001e1d 100644
@@ -834,7 +834,8 @@ static __init bool get_mem_config(void)
 
 	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
 		return __get_mem_config_intel(&rdt_resources_all[RDT_RESOURCE_MBA]);
-	else if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
+	else if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
+		 boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)
 		return __rdt_get_mem_config_amd(&rdt_resources_all[RDT_RESOURCE_MBA]);
 
 	return false;

@@ -960,7 +961,8 @@ static __init void rdt_init_res_defs(void)
 {
 	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
 		rdt_init_res_defs_intel();
-	else if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
+	else if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
+		 boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)
 		rdt_init_res_defs_amd();
 }
 

@@ -991,8 +993,19 @@ void resctrl_cpu_detect(struct cpuinfo_x86 *c)
 		c->x86_cache_occ_scale = ebx;
 		c->x86_cache_mbm_width_offset = eax & 0xff;
 
-		if (c->x86_vendor == X86_VENDOR_AMD && !c->x86_cache_mbm_width_offset)
-			c->x86_cache_mbm_width_offset = MBM_CNTR_WIDTH_OFFSET_AMD;
+		if (!c->x86_cache_mbm_width_offset) {
+			switch (c->x86_vendor) {
+			case X86_VENDOR_AMD:
+				c->x86_cache_mbm_width_offset = MBM_CNTR_WIDTH_OFFSET_AMD;
+				break;
+			case X86_VENDOR_HYGON:
+				c->x86_cache_mbm_width_offset = MBM_CNTR_WIDTH_OFFSET_HYGON;
+				break;
+			default:
+				/* Leave c->x86_cache_mbm_width_offset as 0 */
+				break;
+			}
+		}
 	}
 }
 

index f65d3c0dbc41..7de60f1dbdcb 100644
@@ -39,6 +39,9 @@
 #define MAX_MBA_BW_AMD			0x800
 #define MBM_CNTR_WIDTH_OFFSET_AMD	20
 
+/* Hygon MBM counter width as an offset from MBM_CNTR_WIDTH_BASE */
+#define MBM_CNTR_WIDTH_OFFSET_HYGON	8
+
 #define RMID_VAL_ERROR			BIT_ULL(63)
 #define RMID_VAL_UNAVAIL		BIT_ULL(62)
 /*

index b60e61b1904c..6487b35851d5 100644
@@ -191,6 +191,9 @@ static int crypto_authenc_esn_encrypt(struct aead_request *req)
 	struct scatterlist *src, *dst;
 	int err;
 
+	if (assoclen < 8)
+		return -EINVAL;
+
 	sg_init_table(areq_ctx->src, 2);
 	src = scatterwalk_ffwd(areq_ctx->src, req->src, assoclen);
 	dst = src;

@@ -284,6 +287,9 @@ static int crypto_authenc_esn_decrypt(struct aead_request *req)
 	u32 tmp[2];
 	int err;
 
+	if (assoclen < 8)
+		return -EINVAL;
+
 	cryptlen -= authsize;
 
 	if (req->src != dst) {

index 82eb25ad1c72..e162c0c49787 100644
@@ -3036,6 +3036,7 @@ int device_add(struct device *dev)
 	device_pm_remove(dev);
 	dpm_sysfs_remove(dev);
  DPMError:
+	dev->driver = NULL;
 	bus_remove_device(dev);
  BusError:
 	device_remove_attrs(dev);

index 02c21fce457c..e86d069894c0 100644
@@ -463,9 +463,11 @@ static void regmap_lock_hwlock_irq(void *__map)
 static void regmap_lock_hwlock_irqsave(void *__map)
 {
 	struct regmap *map = __map;
+	unsigned long flags = 0;
 
 	hwspin_lock_timeout_irqsave(map->hwlock, UINT_MAX,
-				    &map->spinlock_flags);
+				    &flags);
+	map->spinlock_flags = flags;
 }
 
 static void regmap_unlock_hwlock(void *__map)

index 93bb58971dbe..436d82a7f587 100644
@@ -684,6 +684,8 @@ static int hci_uart_register_dev(struct hci_uart *hu)
 		return err;
 	}
 
+	set_bit(HCI_UART_PROTO_INIT, &hu->flags);
+
 	if (test_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags))
 		return 0;
 

@@ -711,8 +713,6 @@ static int hci_uart_set_proto(struct hci_uart *hu, int id)
 
 	hu->proto = p;
 
-	set_bit(HCI_UART_PROTO_INIT, &hu->flags);
-
 	err = hci_uart_register_dev(hu);
 	if (err) {
 		return err;

index 6a4f9697b574..0a4175b87979 100644
@@ -1559,6 +1559,7 @@ static void atc_free_chan_resources(struct dma_chan *chan)
 {
 	struct at_dma_chan	*atchan = to_at_dma_chan(chan);
 	struct at_dma		*atdma = to_at_dma(chan->device);
+	struct at_dma_slave	*atslave;
 	struct at_desc		*desc, *_desc;
 	LIST_HEAD(list);
 

@@ -1579,8 +1580,12 @@ static void atc_free_chan_resources(struct dma_chan *chan)
 	/*
 	 * Free atslave allocated in at_dma_xlate()
 	 */
-	kfree(chan->private);
-	chan->private = NULL;
+	atslave = chan->private;
+	if (atslave) {
+		put_device(atslave->dma_dev);
+		kfree(atslave);
+		chan->private = NULL;
+	}
 
 	dev_vdbg(chan2dev(chan), "free_chan_resources: done\n");
 }

index 64239da02e74..108ddc30f29e 100644
@@ -1707,7 +1707,7 @@ static int sba_probe(struct platform_device *pdev)
 	/* Prealloc channel resource */
 	ret = sba_prealloc_channel_resources(sba);
 	if (ret)
-		goto fail_free_mchan;
+		goto fail_put_mbox;
 
 	/* Check availability of debugfs */
 	if (!debugfs_initialized())

@@ -1737,6 +1737,8 @@ static int sba_probe(struct platform_device *pdev)
 fail_free_resources:
 	debugfs_remove_recursive(sba->root);
 	sba_freeup_channel_resources(sba);
+fail_put_mbox:
+	put_device(sba->mbox_dev);
 fail_free_mchan:
 	mbox_free_channel(sba->mchan);
 	return ret;

@@ -1752,6 +1754,8 @@ static int sba_remove(struct platform_device *pdev)
 
 	sba_freeup_channel_resources(sba);
 
+	put_device(sba->mbox_dev);
+
 	mbox_free_channel(sba->mchan);
 
 	return 0;

index df98cae8792b..96b51125cfa7 100644
@@ -55,30 +55,31 @@ static void *lpc18xx_dmamux_reserve(struct of_phandle_args *dma_spec,
 	struct lpc18xx_dmamux_data *dmamux = platform_get_drvdata(pdev);
 	unsigned long flags;
 	unsigned mux;
+	int ret = -EINVAL;
 
 	if (dma_spec->args_count != 3) {
 		dev_err(&pdev->dev, "invalid number of dma mux args\n");
-		return ERR_PTR(-EINVAL);
+		goto err_put_pdev;
 	}
 
 	mux = dma_spec->args[0];
 	if (mux >= dmamux->dma_master_requests) {
 		dev_err(&pdev->dev, "invalid mux number: %d\n",
 			dma_spec->args[0]);
-		return ERR_PTR(-EINVAL);
+		goto err_put_pdev;
 	}
 
 	if (dma_spec->args[1] > LPC18XX_DMAMUX_MAX_VAL) {
 		dev_err(&pdev->dev, "invalid dma mux value: %d\n",
 			dma_spec->args[1]);
-		return ERR_PTR(-EINVAL);
+		goto err_put_pdev;
 	}
 
 	/* The of_node_put() will be done in the core for the node */
 	dma_spec->np = of_parse_phandle(ofdma->of_node, "dma-masters", 0);
 	if (!dma_spec->np) {
 		dev_err(&pdev->dev, "can't get dma master\n");
-		return ERR_PTR(-EINVAL);
+		goto err_put_pdev;
 	}
 
 	spin_lock_irqsave(&dmamux->lock, flags);

@@ -87,7 +88,8 @@ static void *lpc18xx_dmamux_reserve(struct of_phandle_args *dma_spec,
 		dev_err(&pdev->dev, "dma request %u busy with %u.%u\n",
 			mux, mux, dmamux->muxes[mux].value);
 		of_node_put(dma_spec->np);
-		return ERR_PTR(-EBUSY);
+		ret = -EBUSY;
+		goto err_put_pdev;
 	}
 
 	dmamux->muxes[mux].busy = true;

@@ -104,7 +106,14 @@ static void *lpc18xx_dmamux_reserve(struct of_phandle_args *dma_spec,
 	dev_dbg(&pdev->dev, "mapping dmamux %u.%u to dma request %u\n", mux,
 		dmamux->muxes[mux].value, mux);
 
+	put_device(&pdev->dev);
+
 	return &dmamux->muxes[mux];
+
+err_put_pdev:
+	put_device(&pdev->dev);
+
+	return ERR_PTR(ret);
 }
 
 static int lpc18xx_dmamux_probe(struct platform_device *pdev)

index f04bcffd3c24..f3dbbd1bf1bd 100644
@@ -88,23 +88,25 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec,
 	struct stm32_dmamux_data *dmamux = platform_get_drvdata(pdev);
 	struct stm32_dmamux *mux;
 	u32 i, min, max;
-	int ret;
+	int ret = -EINVAL;
 	unsigned long flags;
 
 	if (dma_spec->args_count != 3) {
 		dev_err(&pdev->dev, "invalid number of dma mux args\n");
-		return ERR_PTR(-EINVAL);
+		goto err_put_pdev;
 	}
 
 	if (dma_spec->args[0] > dmamux->dmamux_requests) {
 		dev_err(&pdev->dev, "invalid mux request number: %d\n",
 			dma_spec->args[0]);
-		return ERR_PTR(-EINVAL);
+		goto err_put_pdev;
 	}
 
 	mux = kzalloc(sizeof(*mux), GFP_KERNEL);
-	if (!mux)
-		return ERR_PTR(-ENOMEM);
+	if (!mux) {
+		ret = -ENOMEM;
+		goto err_put_pdev;
+	}
 
 	spin_lock_irqsave(&dmamux->lock, flags);
 	mux->chan_id = find_first_zero_bit(dmamux->dma_inuse,

@@ -131,7 +133,6 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec,
 	dma_spec->np = of_parse_phandle(ofdma->of_node, "dma-masters", i - 1);
 	if (!dma_spec->np) {
 		dev_err(&pdev->dev, "can't get dma master\n");
-		ret = -EINVAL;
 		goto error;
 	}
 

@@ -140,7 +141,7 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec,
 	ret = pm_runtime_resume_and_get(&pdev->dev);
 	if (ret < 0) {
 		spin_unlock_irqrestore(&dmamux->lock, flags);
-		goto error;
+		goto err_put_dma_spec_np;
 	}
 	spin_unlock_irqrestore(&dmamux->lock, flags);
 

@@ -158,13 +159,20 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec,
 	dev_dbg(&pdev->dev, "Mapping DMAMUX(%u) to DMA%u(%u)\n",
 		mux->request, mux->master, mux->chan_id);
 
+	put_device(&pdev->dev);
+
 	return mux;
 
+err_put_dma_spec_np:
+	of_node_put(dma_spec->np);
 error:
 	clear_bit(mux->chan_id, dmamux->dma_inuse);
 
 error_chan_id:
 	kfree(mux);
+err_put_pdev:
+	put_device(&pdev->dev);
+
 	return ERR_PTR(ret);
 }
 

index d84010c2e4bf..bcd1deb08261 100644
@@ -344,10 +344,17 @@ static void tegra_adma_stop(struct tegra_adma_chan *tdc)
 		return;
 	}
 
-	kfree(tdc->desc);
+	vchan_terminate_vdesc(&tdc->desc->vd);
 	tdc->desc = NULL;
 }
 
+static void tegra_adma_synchronize(struct dma_chan *dc)
+{
+	struct tegra_adma_chan *tdc = to_tegra_adma_chan(dc);
+
+	vchan_synchronize(&tdc->vc);
+}
+
 static void tegra_adma_start(struct tegra_adma_chan *tdc)
 {
 	struct virt_dma_desc *vd = vchan_next_desc(&tdc->vc);

@@ -893,6 +900,7 @@ static int tegra_adma_probe(struct platform_device *pdev)
 	tdma->dma_dev.device_config = tegra_adma_slave_config;
 	tdma->dma_dev.device_tx_status = tegra_adma_tx_status;
 	tdma->dma_dev.device_terminate_all = tegra_adma_terminate_all;
+	tdma->dma_dev.device_synchronize = tegra_adma_synchronize;
 	tdma->dma_dev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
 	tdma->dma_dev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
 	tdma->dma_dev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);

index 86ced7f2d771..a529a3a620ca 100644
@@ -78,34 +78,35 @@ static void *ti_am335x_xbar_route_allocate(struct of_phandle_args *dma_spec,
 {
 	struct platform_device *pdev = of_find_device_by_node(ofdma->of_node);
 	struct ti_am335x_xbar_data *xbar = platform_get_drvdata(pdev);
-	struct ti_am335x_xbar_map *map;
+	struct ti_am335x_xbar_map *map = ERR_PTR(-EINVAL);
 
 	if (dma_spec->args_count != 3)
-		return ERR_PTR(-EINVAL);
+		goto out_put_pdev;
 
 	if (dma_spec->args[2] >= xbar->xbar_events) {
 		dev_err(&pdev->dev, "Invalid XBAR event number: %d\n",
 			dma_spec->args[2]);
-		return ERR_PTR(-EINVAL);
+		goto out_put_pdev;
 	}
 
 	if (dma_spec->args[0] >= xbar->dma_requests) {
 		dev_err(&pdev->dev, "Invalid DMA request line number: %d\n",
 			dma_spec->args[0]);
-		return ERR_PTR(-EINVAL);
+		goto out_put_pdev;
 	}
 
 	/* The of_node_put() will be done in the core for the node */
 	dma_spec->np = of_parse_phandle(ofdma->of_node, "dma-masters", 0);
 	if (!dma_spec->np) {
 		dev_err(&pdev->dev, "Can't get DMA master\n");
-		return ERR_PTR(-EINVAL);
+		goto out_put_pdev;
 	}
 
 	map = kzalloc(sizeof(*map), GFP_KERNEL);
 	if (!map) {
 		of_node_put(dma_spec->np);
-		return ERR_PTR(-ENOMEM);
+		map = ERR_PTR(-ENOMEM);
+		goto out_put_pdev;
 	}
 
 	map->dma_line = (u16)dma_spec->args[0];

@@ -119,6 +120,9 @@ static void *ti_am335x_xbar_route_allocate(struct of_phandle_args *dma_spec,
 
 	ti_am335x_xbar_write(xbar->iomem, map->dma_line, map->mux_val);
 
+out_put_pdev:
+	put_device(&pdev->dev);
+
 	return map;
 }
 

@@ -287,6 +291,8 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec,
 
 	ti_dra7_xbar_write(xbar->iomem, map->xbar_out, map->xbar_in);
 
+	put_device(&pdev->dev);
+
 	return map;
 }
 

index dadab2feca08..f2c0c965e362 100644
@@ -40,9 +40,9 @@ struct udma_dev *of_xudma_dev_get(struct device_node *np, const char *property)
 	}
 
 	ud = platform_get_drvdata(pdev);
+	put_device(&pdev->dev);
 	if (!ud) {
 		pr_debug("UDMA has not been probed\n");
-		put_device(&pdev->dev);
 		return ERR_PTR(-EPROBE_DEFER);
 	}
 

index 268a08058714..6c6a34265b06 100644
@@ -1803,6 +1803,8 @@ static int omap_dma_probe(struct platform_device *pdev)
 	if (rc) {
 		pr_warn("OMAP-DMA: failed to register slave DMA engine device: %d\n",
 			rc);
+		if (od->ll123_supported)
+			dma_pool_destroy(od->desc_pool);
 		omap_dma_free(od);
 		return rc;
 	}

@@ -1818,6 +1820,8 @@ static int omap_dma_probe(struct platform_device *pdev)
 		if (rc) {
 			pr_warn("OMAP-DMA: failed to register DMA controller\n");
 			dma_async_device_unregister(&od->ddev);
+			if (od->ll123_supported)
+				dma_pool_destroy(od->desc_pool);
 			omap_dma_free(od);
 		}
 	}

index 3ecf0109af2b..12e9ba5b114d 100644
@@ -128,6 +128,7 @@
 #define XILINX_MCDMA_MAX_CHANS_PER_DEVICE	0x20
 #define XILINX_DMA_MAX_CHANS_PER_DEVICE		0x2
 #define XILINX_CDMA_MAX_CHANS_PER_DEVICE	0x1
+#define XILINX_DMA_DFAULT_ADDRWIDTH		0x20
 
 #define XILINX_DMA_DMAXR_ALL_IRQ_MASK	\
 		(XILINX_DMA_DMASR_FRM_CNT_IRQ | \

@@ -2996,7 +2997,7 @@ static int xilinx_dma_probe(struct platform_device *pdev)
 	struct device_node *node = pdev->dev.of_node;
 	struct xilinx_dma_device *xdev;
 	struct device_node *child, *np = pdev->dev.of_node;
-	u32 num_frames, addr_width, len_width;
+	u32 num_frames, addr_width = XILINX_DMA_DFAULT_ADDRWIDTH, len_width;
 	int i, err;
 
 	/* Allocate and initialize the DMA engine structure */

@@ -3065,7 +3066,9 @@ static int xilinx_dma_probe(struct platform_device *pdev)
 
 	err = of_property_read_u32(node, "xlnx,addrwidth", &addr_width);
 	if (err < 0)
-		dev_warn(xdev->dev, "missing xlnx,addrwidth property\n");
+		dev_warn(xdev->dev,
+			 "missing xlnx,addrwidth property, using default value %d\n",
+			 XILINX_DMA_DFAULT_ADDRWIDTH);
 
 	if (addr_width > 32)
 		xdev->ext_addr = true;

index a8988db6d423..e34f5c0f88d3 100644
@@ -359,10 +359,11 @@ static int i3200_probe1(struct pci_dev *pdev, int dev_idx)
 	layers[1].type = EDAC_MC_LAYER_CHANNEL;
 	layers[1].size = nr_channels;
 	layers[1].is_virt_csrow = false;
-	mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
-			    sizeof(struct i3200_priv));
+
+	rc = -ENOMEM;
+	mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers, sizeof(struct i3200_priv));
 	if (!mci)
-		return -ENOMEM;
+		goto unmap;
 
 	edac_dbg(3, "MC: init mci\n");
 

@@ -422,9 +423,9 @@ static int i3200_probe1(struct pci_dev *pdev, int dev_idx)
 	return 0;
 
 fail:
+	edac_mc_free(mci);
+unmap:
 	iounmap(window);
-	if (mci)
-		edac_mc_free(mci);
 
 	return rc;
 }

index a65e2f78a402..54cc3e22eeb1 100644
@@ -342,9 +342,12 @@ static int x38_probe1(struct pci_dev *pdev, int dev_idx)
 	layers[1].type = EDAC_MC_LAYER_CHANNEL;
 	layers[1].size = x38_channel_num;
 	layers[1].is_virt_csrow = false;
+
+
+	rc = -ENOMEM;
 	mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers, 0);
 	if (!mci)
-		return -ENOMEM;
+		goto unmap;
 
 	edac_dbg(3, "MC: init mci\n");
 

@@ -404,9 +407,9 @@ static int x38_probe1(struct pci_dev *pdev, int dev_idx)
 	return 0;
 
 fail:
+	edac_mc_free(mci);
+unmap:
 	iounmap(window);
-	if (mci)
-		edac_mc_free(mci);
 
 	return rc;
 }

index 195b7e02dc4b..85b43d48f2dc 100644
@@ -1832,6 +1832,14 @@ static int allocate_hiq_sdma_mqd(struct device_queue_manager *dqm)
 	return retval;
 }
 
+static void deallocate_hiq_sdma_mqd(struct kfd_dev *dev,
+				    struct kfd_mem_obj *mqd)
+{
+	WARN(!mqd, "No hiq sdma mqd trunk to free");
+
+	amdgpu_amdkfd_free_gtt_mem(dev->kgd, mqd->gtt_mem);
+}
+
 struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev)
 {
 	struct device_queue_manager *dqm;

@@ -1961,19 +1969,13 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev)
 	if (!dqm->ops.initialize(dqm))
 		return dqm;
 
+	deallocate_hiq_sdma_mqd(dev, &dqm->hiq_sdma_mqd);
+
 out_free:
 	kfree(dqm);
 	return NULL;
 }
 
-static void deallocate_hiq_sdma_mqd(struct kfd_dev *dev,
-				    struct kfd_mem_obj *mqd)
-{
-	WARN(!mqd, "No hiq sdma mqd trunk to free");
-
-	amdgpu_amdkfd_free_gtt_mem(dev->kgd, mqd->gtt_mem);
-}
-
 void device_queue_manager_uninit(struct device_queue_manager *dqm)
 {
 	dqm->ops.uninitialize(dqm);

index 6f0653c81f8f..ece892b16d9a 100644
@@ -2242,8 +2242,6 @@ static int si_populate_smc_tdp_limits(struct amdgpu_device *adev,
 		if (scaling_factor == 0)
 			return -EINVAL;
 
-		memset(smc_table, 0, sizeof(SISLANDS_SMC_STATETABLE));
-
 		ret = si_calculate_adjusted_tdp_limits(adev,
 						       false, /* ??? */
 						       adev->pm.dpm.tdp_adjustment,

@@ -2252,6 +2250,12 @@ static int si_populate_smc_tdp_limits(struct amdgpu_device *adev,
 		if (ret)
 			return ret;
 
+		if (adev->pdev->device == 0x6611 && adev->pdev->revision == 0x87) {
+			/* Workaround buggy powertune on Radeon 430 and 520. */
+			tdp_limit = 32;
+			near_tdp_limit = 28;
+		}
+
 		smc_table->dpm2Params.TDPLimit =
 			cpu_to_be32(si_scale_power_for_smc(tdp_limit, scaling_factor) * 1000);
 		smc_table->dpm2Params.NearTDPLimit =

@@ -2297,16 +2301,8 @@ static int si_populate_smc_tdp_limits_2(struct amdgpu_device *adev,
 
 	if (ni_pi->enable_power_containment) {
 		SISLANDS_SMC_STATETABLE *smc_table = &si_pi->smc_statetable;
-		u32 scaling_factor = si_get_smc_power_scaling_factor(adev);
 		int ret;
 
-		memset(smc_table, 0, sizeof(SISLANDS_SMC_STATETABLE));
-
-		smc_table->dpm2Params.NearTDPLimit =
-			cpu_to_be32(si_scale_power_for_smc(adev->pm.dpm.near_tdp_limit_adjusted, scaling_factor) * 1000);
-		smc_table->dpm2Params.SafePowerLimit =
-			cpu_to_be32(si_scale_power_for_smc((adev->pm.dpm.near_tdp_limit_adjusted * SISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT) / 100, scaling_factor) * 1000);
-
 		ret = amdgpu_si_copy_bytes_to_smc(adev,
 						  (si_pi->state_table_start +
 						   offsetof(SISLANDS_SMC_STATETABLE, dpm2Params) +

@@ -3435,10 +3431,15 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
 		    (adev->pdev->revision == 0x80) ||
 		    (adev->pdev->revision == 0x81) ||
 		    (adev->pdev->revision == 0x83) ||
-		    (adev->pdev->revision == 0x87) ||
+		    (adev->pdev->revision == 0x87 &&
+				adev->pdev->device != 0x6611) ||
 		    (adev->pdev->device == 0x6604) ||
 		    (adev->pdev->device == 0x6605)) {
 			max_sclk = 75000;
+		} else if (adev->pdev->revision == 0x87 &&
+				adev->pdev->device == 0x6611) {
+			/* Radeon 430 and 520 */
+			max_sclk = 78000;
 		}
 	}
 

117 lines not on this page · raw message

index 54fbd6fe751d..ce59fe6b7a39 100644
@@ -84,6 +84,7 @@ curs507a_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh,
 		asyh->curs.handle = handle;
 		asyh->curs.offset = offset;
 		asyh->set.curs = asyh->curs.visible;
+		nv50_atom(asyh->state.state)->lock_core = true;
 	}
 }
 

index 9cc9c950604a..d4bd72347245 100644
@@ -1627,6 +1627,7 @@ static const struct panel_desc dataimage_scf0700c48ggu18 = {
 	},
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
 static const struct display_timing dlc_dlc0700yzg_1_timing = {

index f328aa5839a2..1957e8463030 100644
@@ -1004,8 +1004,10 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv,
 	ttm_bo_unreserve(&buf->base);
 
 	res = vmw_shader_alloc(dev_priv, buf, size, 0, shader_type);
-	if (unlikely(ret != 0))
+	if (IS_ERR(res)) {
+		ret = PTR_ERR(res);
 		goto no_reserve;
+	}
 
 	ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_shader,
 				 vmw_shader_key(user_key, shader_type),

index e4811d37ca77..c0d56b7ca19e 100644
@@ -104,10 +104,8 @@ static int uclogic_input_configured(struct hid_device *hdev,
 {
 	struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
 	struct uclogic_params *params = &drvdata->params;
-	char *name;
 	const char *suffix = NULL;
 	struct hid_field *field;
-	size_t len;
 
 	/* no report associated (HID_QUIRK_MULTI_INPUT not set) */
 	if (!hi->report)

@@ -146,12 +144,10 @@ static int uclogic_input_configured(struct hid_device *hdev,
 	}
 
 	if (suffix) {
-		len = strlen(hdev->name) + 2 + strlen(suffix);
-		name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL);
-		if (name) {
-			snprintf(name, len, "%s %s", hdev->name, suffix);
-			hi->input->name = name;
-		}
+		hi->input->name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
+						 "%s %s", hdev->name, suffix);
+		if (!hi->input->name)
+			return -ENOMEM;
 	}
 
 	return 0;

index c3b104c72e49..03eecfd3692d 100644
@@ -985,6 +985,7 @@ static int usbhid_parse(struct hid_device *hid)
 	struct usb_device *dev = interface_to_usbdev (intf);
 	struct hid_descriptor *hdesc;
 	struct hid_class_descriptor *hcdesc;
+	__u8 fixed_opt_descriptors_size;
 	u32 quirks = 0;
 	unsigned int rsize = 0;
 	char *rdesc;

@@ -1015,7 +1016,21 @@ static int usbhid_parse(struct hid_device *hid)
 			      (hdesc->bNumDescriptors - 1) * sizeof(*hcdesc)) {
 		dbg_hid("hid descriptor invalid, bLen=%hhu bNum=%hhu\n",
 			hdesc->bLength, hdesc->bNumDescriptors);
-		return -EINVAL;
+
+		/*
+		 * Some devices may expose a wrong number of descriptors compared
+		 * to the provided length.
+		 * However, we ignore the optional hid class descriptors entirely
+		 * so we can safely recompute the proper field.
+		 */
+		if (hdesc->bLength >= sizeof(*hdesc)) {
+			fixed_opt_descriptors_size = hdesc->bLength - sizeof(*hdesc);
+
+			hid_warn(intf, "fixing wrong optional hid class descriptors count\n");
+			hdesc->bNumDescriptors = fixed_opt_descriptors_size / sizeof(*hcdesc) + 1;
+		} else {
+			return -EINVAL;
+		}
 	}
 
 	hid->version = le16_to_cpu(hdesc->bcdHID);

index 68af130712bc..786d24f7818a 100644
@@ -810,9 +810,12 @@ static int intel_th_output_open(struct inode *inode, struct file *file)
 	int err;
 
 	dev = bus_find_device_by_devt(&intel_th_bus, inode->i_rdev);
-	if (!dev || !dev->driver) {
+	if (!dev)
+		return -ENODEV;
+
+	if (!dev->driver) {
 		err = -ENODEV;
-		goto out_no_device;
+		goto out_put_device;
 	}
 
 	thdrv = to_intel_th_driver(dev->driver);

@@ -836,12 +839,22 @@ static int intel_th_output_open(struct inode *inode, struct file *file)
 
 out_put_device:
 	put_device(dev);
-out_no_device:
+
 	return err;
 }
 
+static int intel_th_output_release(struct inode *inode, struct file *file)
+{
+	struct intel_th_device *thdev = file->private_data;
+
+	put_device(&thdev->dev);
+
+	return 0;
+}
+
 static const struct file_operations intel_th_output_fops = {
 	.open	= intel_th_output_open,
+	.release = intel_th_output_release,
 	.llseek	= noop_llseek,
 };
 

index 4fd74e2847f0..9643f60cf514 100644
@@ -90,7 +90,7 @@
 
 #define CHIPID_AD9434			0x6A
 #define AD9434_DEF_OUTPUT_MODE		0x00
-#define AD9434_REG_VREF_MASK		0xC0
+#define AD9434_REG_VREF_MASK		GENMASK(4, 0)
 
 /*
  * Analog Devices AD9467 16-Bit, 200/250 MSPS ADC

index b806c1ab9b61..4a3d2d8841d2 100644
@@ -1891,6 +1891,7 @@ static int at91_adc_remove(struct platform_device *pdev)
 	struct at91_adc_state *st = iio_priv(indio_dev);
 
 	iio_device_unregister(indio_dev);
+	cancel_work_sync(&st->touch_st.workq);
 
 	at91_adc_dma_disable(pdev);
 

index b6f09e5acb91..1a71d144059e 100644
@@ -718,14 +718,7 @@ static const struct iio_chan_spec exynos_adc_iio_channels[] = {
 	ADC_CHANNEL(9, "adc9"),
 };
 
-static int exynos_adc_remove_devices(struct device *dev, void *c)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	platform_device_unregister(pdev);
 
-	return 0;
-}
 
 static int exynos_adc_ts_open(struct input_dev *dev)
 {

@@ -924,8 +917,7 @@ static int exynos_adc_probe(struct platform_device *pdev)
 	return 0;
 
 err_of_populate:
-	device_for_each_child(&indio_dev->dev, NULL,
-				exynos_adc_remove_devices);
+	of_platform_depopulate(&indio_dev->dev);
 	if (has_ts) {
 		input_unregister_device(info->input);
 		free_irq(info->tsirq, info);

@@ -954,8 +946,7 @@ static int exynos_adc_remove(struct platform_device *pdev)
 		free_irq(info->tsirq, info);
 		input_unregister_device(info->input);
 	}
-	device_for_each_child(&indio_dev->dev, NULL,
-				exynos_adc_remove_devices);
+	of_platform_depopulate(&indio_dev->dev);
 	iio_device_unregister(indio_dev);
 	free_irq(info->irq, info);
 	if (info->data->exit_hw)

index 148d9541f517..3f10bb872c79 100644
@@ -402,6 +402,12 @@ static const struct ad5686_chip_info ad5686_chip_info_tbl[] = {
 		.num_channels = 4,
 		.regmap_type = AD5686_REGMAP,
 	},
+	[ID_AD5695R] = {
+		.channels = ad5685r_channels,
+		.int_vref_mv = 2500,
+		.num_channels = 4,
+		.regmap_type = AD5686_REGMAP,
+	},
 	[ID_AD5696] = {
 		.channels = ad5686_channels,
 		.num_channels = 4,

index a2a5c3f5c42e..9195234e42e6 100644
@@ -113,6 +113,17 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
 		},
 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER)
 	},
+	{
+		/*
+		 * ASUS Zenbook UX425QA_UM425QA
+		 * Some Zenbooks report "Zenbook" with a lowercase b.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Zenbook UX425QA_UM425QA"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
+	},
 	{
 		/* ASUS ZenBook UX425UA */
 		.matches = {

@@ -1176,6 +1187,13 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "WUJIE Series-X5SP4NAG"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
+	},
 	/*
 	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
 	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,

index d8d3d0af988e..1934d1cc219b 100644
@@ -609,7 +609,7 @@ static struct its_collection *its_build_mapd_cmd(struct its_node *its,
 						 struct its_cmd_block *cmd,
 						 struct its_cmd_desc *desc)
 {
-	unsigned long itt_addr;
+	phys_addr_t itt_addr;
 	u8 size = ilog2(desc->its_mapd_cmd.dev->nr_ites);
 
 	itt_addr = virt_to_phys(desc->its_mapd_cmd.dev->itt);

@@ -780,7 +780,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
 					   struct its_cmd_desc *desc)
 {
 	struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe);
-	unsigned long vpt_addr, vconf_addr;
+	phys_addr_t vpt_addr, vconf_addr;
 	u64 target;
 	bool alloc;
 

@@ -2408,10 +2408,10 @@ static int its_setup_baser(struct its_node *its, struct its_baser *baser,
 	baser->psz = psz;
 	tmp = indirect ? GITS_LVL1_ENTRY_SIZE : esz;
 
-	pr_info("ITS@%pa: allocated %d %s @%lx (%s, esz %d, psz %dK, shr %d)\n",
+	pr_info("ITS@%pa: allocated %d %s @%llx (%s, esz %d, psz %dK, shr %d)\n",
 		&its->phys_base, (int)(PAGE_ORDER_TO_SIZE(order) / (int)tmp),
 		its_base_type_string[type],
-		(unsigned long)virt_to_phys(base),
+		(u64)virt_to_phys(base),
 		indirect ? "indirect" : "flat", (int)esz,
 		psz / SZ_1K, (int)shr >> GITS_BASER_SHAREABILITY_SHIFT);
 

index abdf36ac3bee..74d6ed49dc36 100644
@@ -109,14 +109,14 @@ mISDN_read(struct file *filep, char __user *buf, size_t count, loff_t *off)
 		spin_unlock_irq(&dev->lock);
 		if (filep->f_flags & O_NONBLOCK)
 			return -EAGAIN;
-		wait_event_interruptible(dev->wait, (dev->work ||
+		wait_event_interruptible(dev->wait, (READ_ONCE(dev->work) ||
 						     !list_empty(list)));
 		if (signal_pending(current))
 			return -ERESTARTSYS;
 		spin_lock_irq(&dev->lock);
 	}
 	if (dev->work)
-		dev->work = 0;
+		WRITE_ONCE(dev->work, 0);
 	if (!list_empty(list)) {
 		timer = list_first_entry(list, struct mISDNtimer, list);
 		list_del(&timer->list);

@@ -141,13 +141,16 @@ mISDN_poll(struct file *filep, poll_table *wait)
 	if (*debug & DEBUG_TIMER)
 		printk(KERN_DEBUG "%s(%p, %p)\n", __func__, filep, wait);
 	if (dev) {
+		u32 work;
+
 		poll_wait(filep, &dev->wait, wait);
 		mask = 0;
-		if (dev->work || !list_empty(&dev->expired))
+		work = READ_ONCE(dev->work);
+		if (work || !list_empty(&dev->expired))
 			mask |= (EPOLLIN | EPOLLRDNORM);
 		if (*debug & DEBUG_TIMER)
 			printk(KERN_DEBUG "%s work(%d) empty(%d)\n", __func__,
-			       dev->work, list_empty(&dev->expired));
+			       work, list_empty(&dev->expired));
 	}
 	return mask;
 }

@@ -172,7 +175,7 @@ misdn_add_timer(struct mISDNtimerdev *dev, int timeout)
 	struct mISDNtimer	*timer;
 
 	if (!timeout) {
-		dev->work = 1;
+		WRITE_ONCE(dev->work, 1);
 		wake_up_interruptible(&dev->wait);
 		id = 0;
 	} else {

index d7c1f2263a57..1d189f9290c1 100644
@@ -408,11 +408,6 @@ int led_classdev_register_ext(struct device *parent,
 #ifdef CONFIG_LEDS_BRIGHTNESS_HW_CHANGED
 	led_cdev->brightness_hw_changed = -1;
 #endif
-	/* add to the list of leds */
-	down_write(&leds_list_lock);
-	list_add_tail(&led_cdev->node, &leds_list);
-	up_write(&leds_list_lock);
-
 	if (!led_cdev->max_brightness)
 		led_cdev->max_brightness = LED_FULL;
 

@@ -420,6 +415,11 @@ int led_classdev_register_ext(struct device *parent,
 
 	led_init_core(led_cdev);
 
+	/* add to the list of leds */
+	down_write(&leds_list_lock);
+	list_add_tail(&led_cdev->node, &leds_list);
+	up_write(&leds_list_lock);
+
 #ifdef CONFIG_LEDS_TRIGGERS
 	led_trigger_set_default(led_cdev);
 #endif

index df758033dc93..90249f74f374 100644
@@ -21,18 +21,18 @@ TRACE_EVENT(mei_reg_read,
 	TP_ARGS(dev, reg, offs, val),
 	TP_STRUCT__entry(
 		__string(dev, dev_name(dev))
-		__field(const char *, reg)
+		__string(reg, reg)
 		__field(u32, offs)
 		__field(u32, val)
 	),
 	TP_fast_assign(
 		__assign_str(dev, dev_name(dev))
-		__entry->reg  = reg;
+		__assign_str(reg, reg)
 		__entry->offs = offs;
 		__entry->val = val;
 	),
 	TP_printk("[%s] read %s:[%#x] = %#x",
-		  __get_str(dev), __entry->reg, __entry->offs, __entry->val)
+		  __get_str(dev), __get_str(reg), __entry->offs, __entry->val)
 );
 
 TRACE_EVENT(mei_reg_write,

@@ -40,18 +40,18 @@ TRACE_EVENT(mei_reg_write,
 	TP_ARGS(dev, reg, offs, val),
 	TP_STRUCT__entry(
 		__string(dev, dev_name(dev))
-		__field(const char *, reg)
+		__string(reg, reg)
 		__field(u32, offs)
 		__field(u32, val)
 	),
 	TP_fast_assign(
 		__assign_str(dev, dev_name(dev))
-		__entry->reg = reg;
+		__assign_str(reg, reg)
 		__entry->offs = offs;
 		__entry->val = val;
 	),
 	TP_printk("[%s] write %s[%#x] = %#x",
-		  __get_str(dev), __entry->reg,  __entry->offs, __entry->val)
+		  __get_str(dev), __get_str(reg),  __entry->offs, __entry->val)
 );
 
 TRACE_EVENT(mei_pci_cfg_read,

@@ -59,18 +59,18 @@ TRACE_EVENT(mei_pci_cfg_read,
 	TP_ARGS(dev, reg, offs, val),
 	TP_STRUCT__entry(
 		__string(dev, dev_name(dev))
-		__field(const char *, reg)
+		__string(reg, reg)
 		__field(u32, offs)
 		__field(u32, val)
 	),
 	TP_fast_assign(
 		__assign_str(dev, dev_name(dev))
-		__entry->reg  = reg;
+		__assign_str(reg, reg)
 		__entry->offs = offs;
 		__entry->val = val;
 	),
 	TP_printk("[%s] pci cfg read %s:[%#x] = %#x",
-		  __get_str(dev), __entry->reg, __entry->offs, __entry->val)
+		  __get_str(dev), __get_str(reg), __entry->offs, __entry->val)
 );
 
 #endif /* _MEI_TRACE_H_ */

82 lines not on this page · raw message

53 lines not on this page · raw message

index 08bc930afc4c..a6d552a83ca4 100644
@@ -3642,8 +3642,9 @@ static bool bond_flow_dissect(struct bonding *bond, struct sk_buff *skb,
 
 	if (bond->params.xmit_policy > BOND_XMIT_POLICY_LAYER23) {
 		memset(fk, 0, sizeof(*fk));
-		return __skb_flow_dissect(NULL, skb, &flow_keys_bonding,
-					  fk, NULL, 0, 0, 0, 0);
+		return __skb_flow_dissect(dev_net(bond->dev), skb,
+					  &flow_keys_bonding, fk, NULL, 0, 0,
+					  0, 0);
 	}
 
 	fk->ports.ports = 0;

index ff05b5230f0b..f8baf8283a65 100644
@@ -479,11 +479,17 @@ static void ems_usb_read_bulk_callback(struct urb *urb)
 			  urb->transfer_buffer, RX_BUFFER_SIZE,
 			  ems_usb_read_bulk_callback, dev);
 
+	usb_anchor_urb(urb, &dev->rx_submitted);
+
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
+	if (!retval)
+		return;
+
+	usb_unanchor_urb(urb);
 
 	if (retval == -ENODEV)
 		netif_device_detach(netdev);
-	else if (retval)
+	else
 		netdev_err(netdev,
 			   "failed resubmitting read bulk urb: %d\n", retval);
 }

index c9ccce6c60b4..fb28e688300d 100644
@@ -441,13 +441,20 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
 			  urb->transfer_buffer, RX_BUFFER_SIZE,
 			  esd_usb2_read_bulk_callback, dev);
 
+	usb_anchor_urb(urb, &dev->rx_submitted);
+
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
+	if (!retval)
+		return;
+
+	usb_unanchor_urb(urb);
+
 	if (retval == -ENODEV) {
 		for (i = 0; i < dev->net_count; i++) {
 			if (dev->nets[i])
 				netif_device_detach(dev->nets[i]->netdev);
 		}
-	} else if (retval) {
+	} else {
 		dev_err(dev->udev->dev.parent,
 			"failed resubmitting read bulk urb: %d\n", retval);
 	}

index 602f0b3bbcdf..a7f7951bea2a 100644
@@ -325,7 +325,14 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
 			  urb->transfer_buffer, KVASER_USB_RX_BUFFER_SIZE,
 			  kvaser_usb_read_bulk_callback, dev);
 
+	usb_anchor_urb(urb, &dev->rx_submitted);
+
 	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (!err)
+		return;
+
+	usb_unanchor_urb(urb);
+
 	if (err == -ENODEV) {
 		for (i = 0; i < dev->nchannels; i++) {
 			if (!dev->nets[i])

@@ -333,7 +340,7 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
 
 			netif_device_detach(dev->nets[i]->netdev);
 		}
-	} else if (err) {
+	} else {
 		dev_err(&dev->intf->dev,
 			"Failed resubmitting read bulk urb: %d\n", err);
 	}

index 7179eb0fedb1..555a23d5134c 100644
@@ -614,11 +614,17 @@ static void mcba_usb_read_bulk_callback(struct urb *urb)
 			  urb->transfer_buffer, MCBA_USB_RX_BUFF_SIZE,
 			  mcba_usb_read_bulk_callback, priv);
 
+	usb_anchor_urb(urb, &priv->rx_submitted);
+
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
+	if (!retval)
+		return;
+
+	usb_unanchor_urb(urb);
 
 	if (retval == -ENODEV)
 		netif_device_detach(netdev);
-	else if (retval)
+	else
 		netdev_err(netdev, "failed resubmitting read bulk urb: %d\n",
 			   retval);
 }

index 885c54c6f81a..eb9d17c70408 100644
@@ -546,11 +546,17 @@ static void usb_8dev_read_bulk_callback(struct urb *urb)
 			  urb->transfer_buffer, RX_BUFFER_SIZE,
 			  usb_8dev_read_bulk_callback, priv);
 
+	usb_anchor_urb(urb, &priv->rx_submitted);
+
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
+	if (!retval)
+		return;
+
+	usb_unanchor_urb(urb);
 
 	if (retval == -ENODEV)
 		netif_device_detach(netdev);
-	else if (retval)
+	else
 		netdev_err(netdev,
 			"failed resubmitting read bulk urb: %d\n", retval);
 }

index 9cd6dac03363..3de7674a8467 100644
@@ -2112,7 +2112,7 @@ static void xgbe_get_stats64(struct net_device *netdev,
 	s->multicast = pstats->rxmulticastframes_g;
 	s->rx_length_errors = pstats->rxlengtherror;
 	s->rx_crc_errors = pstats->rxcrcerror;
-	s->rx_fifo_errors = pstats->rxfifooverflow;
+	s->rx_over_errors = pstats->rxfifooverflow;
 
 	s->tx_packets = pstats->txframecount_gb;
 	s->tx_bytes = pstats->txoctetcount_gb;

@@ -2568,9 +2568,6 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
 			goto read_again;
 
 		if (error || packet->errors) {
-			if (packet->errors)
-				netif_err(pdata, rx_err, netdev,
-					  "error in received packet\n");
 			dev_kfree_skb(skb);
 			goto next_packet;
 		}

index d6984c179bae..a0f4bfe522d4 100644
@@ -3796,6 +3796,7 @@ int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
 {
 	int status;
 	bool pmac_valid = false;
+	u32 pmac_id;
 
 	eth_zero_addr(mac);
 

@@ -3808,7 +3809,7 @@ int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
 						       adapter->if_handle, 0);
 	} else {
 		status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
-						  NULL, adapter->if_handle, 0);
+						  &pmac_id, adapter->if_handle, 0);
 	}
 
 	return status;

index 3d70c3a47d63..67d878eb8a7d 100644
@@ -1038,7 +1038,7 @@ struct hclge_fd_tcam_config_3_cmd {
 #define HCLGE_FD_AD_QID_M		GENMASK(11, 2)
 #define HCLGE_FD_AD_USE_COUNTER_B	12
 #define HCLGE_FD_AD_COUNTER_NUM_S	13
-#define HCLGE_FD_AD_COUNTER_NUM_M	GENMASK(20, 13)
+#define HCLGE_FD_AD_COUNTER_NUM_M	GENMASK(19, 13)
 #define HCLGE_FD_AD_NXT_STEP_B		20
 #define HCLGE_FD_AD_NXT_KEY_S		21
 #define HCLGE_FD_AD_NXT_KEY_M		GENMASK(25, 21)

index 99b5b956ed8f..fa51463bfd8b 100644
@@ -5109,7 +5109,7 @@ static int hclge_fd_ad_config(struct hclge_dev *hdev, u8 stage, int loc,
 			HCLGE_FD_AD_COUNTER_NUM_S, action->counter_id);
 	hnae3_set_bit(ad_data, HCLGE_FD_AD_NXT_STEP_B, action->use_next_stage);
 	hnae3_set_field(ad_data, HCLGE_FD_AD_NXT_KEY_M, HCLGE_FD_AD_NXT_KEY_S,
-			action->counter_id);
+			action->next_input_key);
 
 	req->ad_data = cpu_to_le64(ad_data);
 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);

index a337a6826a84..b3ae457b4db6 100644
@@ -5441,7 +5441,6 @@ void ice_update_vsi_stats(struct ice_vsi *vsi)
 				    pf->stats.illegal_bytes +
 				    pf->stats.rx_len_errors +
 				    pf->stats.rx_undersize +
-				    pf->hw_csum_rx_error +
 				    pf->stats.rx_jabber +
 				    pf->stats.rx_fragments +
 				    pf->stats.rx_oversize;

index 3ad132739587..821cc5aa4a7b 100644
@@ -1383,7 +1383,7 @@ int mvpp2_ethtool_cls_rule_ins(struct mvpp2_port *port,
 	efs->rule.flow_type = mvpp2_cls_ethtool_flow_to_type(info->fs.flow_type);
 	if (efs->rule.flow_type < 0) {
 		ret = efs->rule.flow_type;
-		goto clean_rule;
+		goto clean_eth_rule;
 	}
 
 	ret = mvpp2_cls_rfs_parse_rule(&efs->rule);

154 lines not on this page · raw message

index 866b1a2cc9a1..c5d20c09a1d7 100644
@@ -562,13 +562,8 @@ static inline dma_addr_t otx2_dma_map_page(struct otx2_nic *pfvf,
 					   size_t offset, size_t size,
 					   enum dma_data_direction dir)
 {
-	dma_addr_t iova;
-
-	iova = dma_map_page_attrs(pfvf->dev, page,
+	return dma_map_page_attrs(pfvf->dev, page,
 				  offset, size, dir, DMA_ATTR_SKIP_CPU_SYNC);
-	if (unlikely(dma_mapping_error(pfvf->dev, iova)))
-		return (dma_addr_t)NULL;
-	return iova;
 }
 
 static inline void otx2_dma_unmap_page(struct otx2_nic *pfvf,

index c3ff1fc577a7..9c5ccbaa160b 100644
@@ -3679,6 +3679,8 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		mlx5e_queue_update_stats(priv);
 	}
 
+	netdev_stats_to_stats64(stats, &dev->stats);
+
 	if (mlx5e_is_uplink_rep(priv)) {
 		struct mlx5e_vport_stats *vstats = &priv->stats.vport;
 

@@ -3695,19 +3697,21 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		mlx5e_fold_sw_stats64(priv, stats);
 	}
 
-	stats->rx_missed_errors = priv->stats.qcnt.rx_out_of_buffer;
+	stats->rx_missed_errors += priv->stats.qcnt.rx_out_of_buffer;
+	stats->rx_dropped += PPORT_2863_GET(pstats, if_in_discards);
 
-	stats->rx_length_errors =
+	stats->rx_length_errors +=
 		PPORT_802_3_GET(pstats, a_in_range_length_errors) +
 		PPORT_802_3_GET(pstats, a_out_of_range_length_field) +
-		PPORT_802_3_GET(pstats, a_frame_too_long_errors);
-	stats->rx_crc_errors =
+		PPORT_802_3_GET(pstats, a_frame_too_long_errors) +
+		VNIC_ENV_GET(&priv->stats.vnic, eth_wqe_too_small);
+	stats->rx_crc_errors +=
 		PPORT_802_3_GET(pstats, a_frame_check_sequence_errors);
-	stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors);
-	stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards);
-	stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors +
-			   stats->rx_frame_errors;
-	stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors;
+	stats->rx_frame_errors += PPORT_802_3_GET(pstats, a_alignment_errors);
+	stats->tx_aborted_errors += PPORT_2863_GET(pstats, if_out_discards);
+	stats->rx_errors += stats->rx_length_errors + stats->rx_crc_errors +
+			    stats->rx_frame_errors;
+	stats->tx_errors += stats->tx_aborted_errors + stats->tx_carrier_errors;
 }
 
 static void mlx5e_set_rx_mode(struct net_device *dev)

index ff4f10d0f090..96d537bc0b8f 100644
@@ -489,17 +489,26 @@ static const struct counter_desc vnic_env_stats_dev_oob_desc[] = {
 		VNIC_ENV_OFF(vport_env.internal_rq_out_of_buffer) },
 };
 
+static const struct counter_desc vnic_env_stats_drop_desc[] = {
+	{ "rx_oversize_pkts_buffer",
+		VNIC_ENV_OFF(vport_env.eth_wqe_too_small) },
+};
+
 #define NUM_VNIC_ENV_STEER_COUNTERS(dev) \
 	(MLX5_CAP_GEN(dev, nic_receive_steering_discard) ? \
 	 ARRAY_SIZE(vnic_env_stats_steer_desc) : 0)
 #define NUM_VNIC_ENV_DEV_OOB_COUNTERS(dev) \
 	(MLX5_CAP_GEN(dev, vnic_env_int_rq_oob) ? \
 	 ARRAY_SIZE(vnic_env_stats_dev_oob_desc) : 0)
+#define NUM_VNIC_ENV_DROP_COUNTERS(dev) \
+	(MLX5_CAP_GEN(dev, eth_wqe_too_small) ? \
+	 ARRAY_SIZE(vnic_env_stats_drop_desc) : 0)
 
 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vnic_env)
 {
 	return NUM_VNIC_ENV_STEER_COUNTERS(priv->mdev) +
-		NUM_VNIC_ENV_DEV_OOB_COUNTERS(priv->mdev);
+	       NUM_VNIC_ENV_DEV_OOB_COUNTERS(priv->mdev) +
+	       NUM_VNIC_ENV_DROP_COUNTERS(priv->mdev);
 }
 
 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vnic_env)

@@ -513,6 +522,11 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vnic_env)
 	for (i = 0; i < NUM_VNIC_ENV_DEV_OOB_COUNTERS(priv->mdev); i++)
 		strcpy(data + (idx++) * ETH_GSTRING_LEN,
 		       vnic_env_stats_dev_oob_desc[i].format);
+
+	for (i = 0; i < NUM_VNIC_ENV_DROP_COUNTERS(priv->mdev); i++)
+		strcpy(data + (idx++) * ETH_GSTRING_LEN,
+		       vnic_env_stats_drop_desc[i].format);
+
 	return idx;
 }
 

@@ -527,6 +541,11 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vnic_env)
 	for (i = 0; i < NUM_VNIC_ENV_DEV_OOB_COUNTERS(priv->mdev); i++)
 		data[idx++] = MLX5E_READ_CTR32_BE(priv->stats.vnic.query_vnic_env_out,
 						  vnic_env_stats_dev_oob_desc, i);
+
+	for (i = 0; i < NUM_VNIC_ENV_DROP_COUNTERS(priv->mdev); i++)
+		data[idx++] = MLX5E_READ_CTR32_BE(priv->stats.vnic.query_vnic_env_out,
+						  vnic_env_stats_drop_desc, i);
+
 	return idx;
 }
 

index 162daaadb0d8..8813989f3f10 100644
@@ -239,6 +239,10 @@ struct mlx5e_qcounter_stats {
 	u32 rx_if_down_packets;
 };
 
+#define VNIC_ENV_GET(vnic_env_stats, c) \
+	MLX5_GET(query_vnic_env_out, (vnic_env_stats)->query_vnic_env_out, \
+		 vport_env.c)
+
 struct mlx5e_vnic_env_stats {
 	__be64 query_vnic_env_out[MLX5_ST_SZ_QW(query_vnic_env_out)];
 };

index 45570d0a58d2..02b2ab795854 100644
@@ -185,7 +185,7 @@ int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw,
 		if (IS_ERR(vport->ingress.acl)) {
 			err = PTR_ERR(vport->ingress.acl);
 			vport->ingress.acl = NULL;
-			return err;
+			goto out;
 		}
 
 		err = esw_acl_ingress_lgcy_groups_create(esw, vport);

index ec90f75289db..4073e3852adb 100644
@@ -1525,9 +1525,8 @@ static void rocker_world_port_post_fini(struct rocker_port *rocker_port)
 {
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
-	if (!wops->port_post_fini)
-		return;
-	wops->port_post_fini(rocker_port);
+	if (wops->port_post_fini)
+		wops->port_post_fini(rocker_port);
 	kfree(rocker_port->wpriv);
 }
 

index 3837c897832e..befb61e00d07 100644
@@ -69,7 +69,6 @@ struct ipvl_dev {
 	DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE);
 	netdev_features_t	sfeatures;
 	u32			msg_enable;
-	spinlock_t		addrs_lock;
 };
 
 struct ipvl_addr {

@@ -90,6 +89,7 @@ struct ipvl_port {
 	struct net_device	*dev;
 	possible_net_t		pnet;
 	struct hlist_head	hlhead[IPVLAN_HASH_SIZE];
+	spinlock_t		addrs_lock; /* guards hash-table and addrs */
 	struct list_head	ipvlans;
 	u16			mode;
 	u16			flags;

index a113a06c98a5..c1f57db3f185 100644
@@ -104,17 +104,15 @@ void ipvlan_ht_addr_del(struct ipvl_addr *addr)
 struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan,
 				   const void *iaddr, bool is_v6)
 {
-	struct ipvl_addr *addr, *ret = NULL;
+	struct ipvl_addr *addr;
 
-	rcu_read_lock();
-	list_for_each_entry_rcu(addr, &ipvlan->addrs, anode) {
-		if (addr_equal(is_v6, addr, iaddr)) {
-			ret = addr;
-			break;
-		}
+	assert_spin_locked(&ipvlan->port->addrs_lock);
+
+	list_for_each_entry(addr, &ipvlan->addrs, anode) {
+		if (addr_equal(is_v6, addr, iaddr))
+			return addr;
 	}
-	rcu_read_unlock();
-	return ret;
+	return NULL;
 }
 
 bool ipvlan_addr_busy(struct ipvl_port *port, void *iaddr, bool is_v6)

173 lines not on this page · raw message

165 lines not on this page · raw message

index 9b7db5fd9e08..287d54ada471 100644
@@ -602,10 +602,6 @@ static const struct usb_device_id products[] = {
 	USB_DEVICE(0x0fe6, 0x8101),	/* DM9601 USB to Fast Ethernet Adapter */
 	.driver_info = (unsigned long)&dm9601_info,
 	 },
-	{
-	 USB_DEVICE(0x0fe6, 0x9700),	/* DM9601 USB to Fast Ethernet Adapter */
-	 .driver_info = (unsigned long)&dm9601_info,
-	 },
 	{
 	 USB_DEVICE(0x0a46, 0x9000),	/* DM9000E */
 	 .driver_info = (unsigned long)&dm9601_info,

index 9ac9fbdad5c0..4a83228a2db5 100644
@@ -1745,9 +1745,12 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 		if ((dev->driver_info->flags & FLAG_NOARP) != 0)
 			net->flags |= IFF_NOARP;
 
-		/* maybe the remote can't receive an Ethernet MTU */
-		if (net->mtu > (dev->hard_mtu - net->hard_header_len))
-			net->mtu = dev->hard_mtu - net->hard_header_len;
+		if (net->max_mtu > (dev->hard_mtu - net->hard_header_len))
+			net->max_mtu = dev->hard_mtu - net->hard_header_len;
+
+		if (net->mtu > net->max_mtu)
+			net->mtu = net->max_mtu;
+
 	} else if (!info->in || !info->out)
 		status = usbnet_get_endpoints (dev, udev);
 	else {

index c45c814fd122..000f199fc68b 100644
@@ -1791,8 +1791,8 @@ static void _ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)
 				  (ce_state->src_ring->nentries *
 				   sizeof(struct ce_desc) +
 				   CE_DESC_RING_ALIGN),
-				  ce_state->src_ring->base_addr_owner_space,
-				  ce_state->src_ring->base_addr_ce_space);
+				  ce_state->src_ring->base_addr_owner_space_unaligned,
+				  ce_state->src_ring->base_addr_ce_space_unaligned);
 		kfree(ce_state->src_ring);
 	}
 

@@ -1801,8 +1801,8 @@ static void _ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)
 				  (ce_state->dest_ring->nentries *
 				   sizeof(struct ce_desc) +
 				   CE_DESC_RING_ALIGN),
-				  ce_state->dest_ring->base_addr_owner_space,
-				  ce_state->dest_ring->base_addr_ce_space);
+				  ce_state->dest_ring->base_addr_owner_space_unaligned,
+				  ce_state->dest_ring->base_addr_ce_space_unaligned);
 		kfree(ce_state->dest_ring);
 	}
 

@@ -1822,8 +1822,8 @@ static void _ath10k_ce_free_pipe_64(struct ath10k *ar, int ce_id)
 				  (ce_state->src_ring->nentries *
 				   sizeof(struct ce_desc_64) +
 				   CE_DESC_RING_ALIGN),
-				  ce_state->src_ring->base_addr_owner_space,
-				  ce_state->src_ring->base_addr_ce_space);
+				  ce_state->src_ring->base_addr_owner_space_unaligned,
+				  ce_state->src_ring->base_addr_ce_space_unaligned);
 		kfree(ce_state->src_ring);
 	}
 

@@ -1832,8 +1832,8 @@ static void _ath10k_ce_free_pipe_64(struct ath10k *ar, int ce_id)
 				  (ce_state->dest_ring->nentries *
 				   sizeof(struct ce_desc_64) +
 				   CE_DESC_RING_ALIGN),
-				  ce_state->dest_ring->base_addr_owner_space,
-				  ce_state->dest_ring->base_addr_ce_space);
+				  ce_state->dest_ring->base_addr_owner_space_unaligned,
+				  ce_state->dest_ring->base_addr_ce_space_unaligned);
 		kfree(ce_state->dest_ring);
 	}
 

index cbe4a200e4ea..c053a5419e19 100644
@@ -839,7 +839,7 @@ void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags)
 static void mwifiex_update_ampdu_rxwinsize(struct mwifiex_adapter *adapter,
 					   bool coex_flag)
 {
-	u8 i;
+	u8 i, j;
 	u32 rx_win_size;
 	struct mwifiex_private *priv;
 

@@ -879,8 +879,8 @@ static void mwifiex_update_ampdu_rxwinsize(struct mwifiex_adapter *adapter,
 		if (rx_win_size != priv->add_ba_param.rx_win_size) {
 			if (!priv->media_connected)
 				continue;
-			for (i = 0; i < MAX_NUM_TID; i++)
-				mwifiex_11n_delba(priv, i);
+			for (j = 0; j < MAX_NUM_TID; j++)
+				mwifiex_11n_delba(priv, j);
 		}
 	}
 }

index 8abf9f699db1..dc3f5222f4b5 100644
@@ -2005,6 +2005,7 @@ int rsi_mac80211_attach(struct rsi_common *common)
 
 	hw->queues = MAX_HW_QUEUES;
 	hw->extra_tx_headroom = RSI_NEEDED_HEADROOM;
+	hw->vif_data_size = sizeof(struct vif_priv);
 
 	hw->max_rates = 1;
 	hw->max_rate_tries = MAX_RETRIES;

index 7015fba2e512..e3a22100003f 100644
@@ -253,6 +253,21 @@ int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val)
 }
 EXPORT_SYMBOL_GPL(nvmf_reg_write32);
 
+int nvmf_subsystem_reset(struct nvme_ctrl *ctrl)
+{
+	int ret;
+
+	if (!nvme_wait_reset(ctrl))
+		return -EBUSY;
+
+	ret = ctrl->ops->reg_write32(ctrl, NVME_REG_NSSR, NVME_SUBSYS_RESET);
+	if (ret)
+		return ret;
+
+	return nvme_try_sched_reset(ctrl);
+}
+EXPORT_SYMBOL_GPL(nvmf_subsystem_reset);
+
 /**
  * nvmf_log_connect_error() - Error-parsing-diagnostic print
  * out function for connect() errors.

index 78467cb3f343..fc2471c7df66 100644
@@ -166,6 +166,7 @@ nvmf_ctlr_matches_baseopts(struct nvme_ctrl *ctrl,
 int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val);
 int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val);
 int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val);
+int nvmf_subsystem_reset(struct nvme_ctrl *ctrl);
 int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl);
 int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid, bool poll);
 int nvmf_register_transport(struct nvmf_transport_ops *ops);

index dbc9173ec0f8..db905c30fbc6 100644
@@ -2409,7 +2409,7 @@ nvme_fc_ctrl_get(struct nvme_fc_ctrl *ctrl)
  * controller. Called after last nvme_put_ctrl() call
  */
 static void
-nvme_fc_nvme_ctrl_freed(struct nvme_ctrl *nctrl)
+nvme_fc_free_ctrl(struct nvme_ctrl *nctrl)
 {
 	struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl);
 

@@ -3350,7 +3350,8 @@ static const struct nvme_ctrl_ops nvme_fc_ctrl_ops = {
 	.reg_read32		= nvmf_reg_read32,
 	.reg_read64		= nvmf_reg_read64,
 	.reg_write32		= nvmf_reg_write32,
-	.free_ctrl		= nvme_fc_nvme_ctrl_freed,
+	.subsystem_reset	= nvmf_subsystem_reset,
+	.free_ctrl		= nvme_fc_free_ctrl,
 	.submit_async_event	= nvme_fc_submit_async_event,
 	.delete_ctrl		= nvme_fc_delete_ctrl,
 	.get_address		= nvmf_get_address,

index 1e56fe8e8157..8dfa293ccedf 100644
@@ -485,6 +485,7 @@ struct nvme_ctrl_ops {
 	int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
 	void (*free_ctrl)(struct nvme_ctrl *ctrl);
 	void (*submit_async_event)(struct nvme_ctrl *ctrl);
+	int (*subsystem_reset)(struct nvme_ctrl *ctrl);
 	void (*delete_ctrl)(struct nvme_ctrl *ctrl);
 	void (*stop_ctrl)(struct nvme_ctrl *ctrl);
 	int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size);

@@ -554,18 +555,9 @@ int nvme_try_sched_reset(struct nvme_ctrl *ctrl);
 
 static inline int nvme_reset_subsystem(struct nvme_ctrl *ctrl)
 {
-	int ret;
-
-	if (!ctrl->subsystem)
+	if (!ctrl->subsystem || !ctrl->ops->subsystem_reset)
 		return -ENOTTY;
-	if (!nvme_wait_reset(ctrl))
-		return -EBUSY;
-
-	ret = ctrl->ops->reg_write32(ctrl, NVME_REG_NSSR, 0x4E564D65);
-	if (ret)
-		return ret;
-
-	return nvme_try_sched_reset(ctrl);
+	return ctrl->ops->subsystem_reset(ctrl);
 }
 
 /*

index a56baaafe79d..7a6827306e74 100644
@@ -1123,6 +1123,44 @@ static void nvme_pci_submit_async_event(struct nvme_ctrl *ctrl)
 	spin_unlock(&nvmeq->sq_lock);
 }
 
+static int nvme_pci_subsystem_reset(struct nvme_ctrl *ctrl)
+{
+	struct nvme_dev *dev = to_nvme_dev(ctrl);
+	int ret = 0;
+
+	/*
+	 * Taking the shutdown_lock ensures the BAR mapping is not being
+	 * altered by reset_work. Holding this lock before the RESETTING state
+	 * change, if successful, also ensures nvme_remove won't be able to
+	 * proceed to iounmap until we're done.
+	 */
+	mutex_lock(&dev->shutdown_lock);
+	if (!dev->bar_mapped_size) {
+		ret = -ENODEV;
+		goto unlock;
+	}
+
+	if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) {
+		ret = -EBUSY;
+		goto unlock;
+	}
+
+	writel(NVME_SUBSYS_RESET, dev->bar + NVME_REG_NSSR);
+
+	if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING) ||
+	    !nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE))
+		goto unlock;
+
+	/*
+	 * Read controller status to flush the previous write and trigger a
+	 * pcie read error.
+	 */
+	readl(dev->bar + NVME_REG_CSTS);
+unlock:
+	mutex_unlock(&dev->shutdown_lock);
+	return ret;
+}
+
 static int adapter_delete_queue(struct nvme_dev *dev, u8 opcode, u16 id)
 {
 	struct nvme_command c;

@@ -2844,6 +2882,7 @@ static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = {
 	.reg_read64		= nvme_pci_reg_read64,
 	.free_ctrl		= nvme_pci_free_ctrl,
 	.submit_async_event	= nvme_pci_submit_async_event,
+	.subsystem_reset	= nvme_pci_subsystem_reset,
 	.get_address		= nvme_pci_get_address,
 };
 

index ecc3f822df24..824d4c088646 100644
@@ -2293,6 +2293,7 @@ static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = {
 	.reg_read32		= nvmf_reg_read32,
 	.reg_read64		= nvmf_reg_read64,
 	.reg_write32		= nvmf_reg_write32,
+	.subsystem_reset	= nvmf_subsystem_reset,
 	.free_ctrl		= nvme_rdma_free_ctrl,
 	.submit_async_event	= nvme_rdma_submit_async_event,
 	.delete_ctrl		= nvme_rdma_delete_ctrl,

index 7709a604d0be..26ede87e95cd 100644
@@ -2530,6 +2530,7 @@ static const struct nvme_ctrl_ops nvme_tcp_ctrl_ops = {
 	.reg_read32		= nvmf_reg_read32,
 	.reg_read64		= nvmf_reg_read64,
 	.reg_write32		= nvmf_reg_write32,
+	.subsystem_reset	= nvmf_subsystem_reset,
 	.free_ctrl		= nvme_tcp_free_ctrl,
 	.submit_async_event	= nvme_tcp_submit_async_event,
 	.delete_ctrl		= nvme_tcp_delete_ctrl,

index 6019eee1f9bd..94ed4b5b725c 100644
@@ -933,8 +933,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
 		if (unlikely(data->ttag >= queue->nr_cmds)) {
 			pr_err("queue %d: received out of bound ttag %u, nr_cmds %u\n",
 				queue->idx, data->ttag, queue->nr_cmds);
-			nvmet_tcp_fatal_error(queue);
-			return -EPROTO;
+			goto err_proto;
 		}
 		cmd = &queue->cmds[data->ttag];
 	} else {

@@ -945,9 +944,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
 		pr_err("ttag %u unexpected data offset %u (expected %u)\n",
 			data->ttag, le32_to_cpu(data->data_offset),
 			cmd->rbytes_done);
-		/* FIXME: use path and transport errors */
-		nvmet_tcp_fatal_error(queue);
-		return -EPROTO;
+		goto err_proto;
 	}
 
 	exp_data_len = le32_to_cpu(data->hdr.plen) -

@@ -960,9 +957,19 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
 		     cmd->pdu_len == 0 ||
 		     cmd->pdu_len > NVMET_TCP_MAXH2CDATA)) {
 		pr_err("H2CData PDU len %u is invalid\n", cmd->pdu_len);
-		/* FIXME: use proper transport errors */
-		nvmet_tcp_fatal_error(queue);
-		return -EPROTO;
+		goto err_proto;
+	}
+       /*
+	* Ensure command data structures are initialized. We must check both
+	* cmd->req.sg and cmd->iov because they can have different NULL states:
+	* - Uninitialized commands: both NULL
+	* - READ commands: cmd->req.sg allocated, cmd->iov NULL
+	* - WRITE commands: both allocated
+	*/
+	if (unlikely(!cmd->req.sg || !cmd->iov)) {
+		pr_err("queue %d: H2CData PDU received for invalid command state (ttag %u)\n",
+			queue->idx, data->ttag);
+		goto err_proto;
 	}
 	cmd->pdu_recv = 0;
 	nvmet_tcp_map_pdu_iovec(cmd);

@@ -970,6 +977,11 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
 	queue->rcv_state = NVMET_TCP_RECV_DATA;
 
 	return 0;
+
+err_proto:
+	/* FIXME: use proper transport errors */
+	nvmet_tcp_fatal_error(queue);
+	return -EPROTO;
 }
 
 static int nvmet_tcp_done_recv_pdu(struct nvmet_tcp_queue *queue)

index 1029173ded4d..d5c2e56b226f 100644
@@ -2018,13 +2018,17 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
 			end--;
 		len = end - start;
 
-		if (kstrtoint(end, 10, &id) < 0)
+		if (kstrtoint(end, 10, &id) < 0) {
+			of_node_put(np);
 			continue;
+		}
 
 		/* Allocate an alias_prop with enough space for the stem */
 		ap = dt_alloc(sizeof(*ap) + len + 1, __alignof__(*ap));
-		if (!ap)
+		if (!ap) {
+			of_node_put(np);
 			continue;
+		}
 		memset(ap, 0, sizeof(*ap) + len + 1);
 		ap->alias = start;
 		of_alias_add(ap, np, id, start, len);

index 43748c6480c8..9ad6224afa9d 100644
@@ -533,7 +533,7 @@ static int __init of_platform_default_populate_init(void)
 
 	node = of_find_node_by_path("/firmware");
 	if (node) {
-		of_platform_populate(node, NULL, NULL, NULL);
+		of_platform_default_populate(node, NULL, NULL);
 		of_node_put(node);
 	}
 

index 45b366855e80..e04a42fe6b65 100644
@@ -203,7 +203,7 @@ static int bcm_ns_usb3_mdio_probe(struct mdio_device *mdiodev)
 	usb3->dev = dev;
 	usb3->mdiodev = mdiodev;
 
-	usb3->family = (enum bcm_ns_family)device_get_match_data(dev);
+	usb3->family = (unsigned long)device_get_match_data(dev);
 
 	syscon_np = of_parse_phandle(dev->of_node, "usb3-dmp-syscon", 0);
 	err = of_address_to_resource(syscon_np, 0, &res);

index cab6a94bf161..93e587f181bd 100644
@@ -689,17 +689,20 @@ static void rockchip_chg_detect_work(struct work_struct *work)
 		container_of(work, struct rockchip_usb2phy_port, chg_work.work);
 	struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
 	struct regmap *base = get_reg_base(rphy);
-	bool is_dcd, tmout, vout;
+	bool is_dcd, tmout, vout, vbus_attach;
 	unsigned long delay;
 
+	vbus_attach = property_enabled(rphy->grf, &rport->port_cfg->utmi_bvalid);
+
 	dev_dbg(&rport->phy->dev, "chg detection work state = %d\n",
 		rphy->chg_state);
 	switch (rphy->chg_state) {
 	case USB_CHG_STATE_UNDEFINED:
-		if (!rport->suspended)
+		if (!rport->suspended && !vbus_attach)
 			rockchip_usb2phy_power_off(rport->phy);
 		/* put the controller in non-driving mode */
-		property_enable(base, &rphy->phy_cfg->chg_det.opmode, false);
+		if (!vbus_attach)
+			property_enable(base, &rphy->phy_cfg->chg_det.opmode, false);
 		/* Start DCD processing stage 1 */
 		rockchip_chg_enable_dcd(rphy, true);
 		rphy->chg_state = USB_CHG_STATE_WAIT_FOR_DCD;

@@ -763,7 +766,8 @@ static void rockchip_chg_detect_work(struct work_struct *work)
 		fallthrough;
 	case USB_CHG_STATE_DETECTED:
 		/* put the controller in normal mode */
-		property_enable(base, &rphy->phy_cfg->chg_det.opmode, true);
+		if (!vbus_attach)
+			property_enable(base, &rphy->phy_cfg->chg_det.opmode, true);
 		rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
 		dev_dbg(&rport->phy->dev, "charger = %s\n",
 			 chg_to_string(rphy->chg_type));

index 03fc567e9f18..9b1b6e9d819c 100644
@@ -391,7 +391,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
 		}
 
 		ret = of_property_read_u32(child, "reg", &index);
-		if (ret || index > usbphyc->nphys) {
+		if (ret || index >= usbphyc->nphys) {
 			dev_err(&phy->dev, "invalid reg property: %d\n", ret);
 			if (!ret)
 				ret = -EINVAL;

index b3fd0370cd0f..d55ba7699334 100644
@@ -84,6 +84,7 @@
 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0		0x284
 #define  BIAS_PAD_PD				BIT(11)
 #define  HS_SQUELCH_LEVEL(x)			(((x) & 0x7) << 0)
+#define  HS_DISCON_LEVEL(x)			(((x) & 0x7) << 3)
 
 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1		0x288
 #define  USB2_TRK_START_TIMER(x)		(((x) & 0x7f) << 12)

@@ -214,6 +215,8 @@ static void tegra186_utmi_bias_pad_power_on(struct tegra_xusb_padctl *padctl)
 	value &= ~BIAS_PAD_PD;
 	value &= ~HS_SQUELCH_LEVEL(~0);
 	value |= HS_SQUELCH_LEVEL(priv->calib.hs_squelch);
+	value &= ~HS_DISCON_LEVEL(~0);
+	value |= HS_DISCON_LEVEL(0x7);
 	padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
 
 	udelay(1);

index ae72edba8a1f..292e44c20dc0 100644
@@ -614,7 +614,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
 	pc->chip.set = meson_gpio_set;
 	pc->chip.base = -1;
 	pc->chip.ngpio = pc->data->num_pins;
-	pc->chip.can_sleep = false;
+	pc->chip.can_sleep = true;
 	pc->chip.of_node = pc->of_node;
 	pc->chip.of_gpio_n_cells = 2;
 

index 8eb902fe73a9..1d6ce1c6c877 100644
@@ -102,14 +102,16 @@ int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,
 	return 0;
 }
 
-int ptp_open(struct posix_clock *pc, fmode_t fmode)
+int ptp_open(struct posix_clock_context *pccontext, fmode_t fmode)
 {
 	return 0;
 }
 
-long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
+long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd,
+	       unsigned long arg)
 {
-	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
+	struct ptp_clock *ptp =
+		container_of(pccontext->clk, struct ptp_clock, clock);
 	struct ptp_sys_offset_extended *extoff = NULL;
 	struct ptp_sys_offset_precise precise_offset;
 	struct system_device_crosststamp xtstamp;

@@ -144,6 +146,10 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 
 	case PTP_EXTTS_REQUEST:
 	case PTP_EXTTS_REQUEST2:
+		if ((pccontext->fp->f_mode & FMODE_WRITE) == 0) {
+			err = -EACCES;
+			break;
+		}
 		memset(&req, 0, sizeof(req));
 
 		if (copy_from_user(&req.extts, (void __user *)arg,

@@ -185,6 +191,10 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 
 	case PTP_PEROUT_REQUEST:
 	case PTP_PEROUT_REQUEST2:
+		if ((pccontext->fp->f_mode & FMODE_WRITE) == 0) {
+			err = -EACCES;
+			break;
+		}
 		memset(&req, 0, sizeof(req));
 
 		if (copy_from_user(&req.perout, (void __user *)arg,

@@ -253,6 +263,10 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 
 	case PTP_ENABLE_PPS:
 	case PTP_ENABLE_PPS2:
+		if ((pccontext->fp->f_mode & FMODE_WRITE) == 0) {
+			err = -EACCES;
+			break;
+		}
 		memset(&req, 0, sizeof(req));
 
 		if (!capable(CAP_SYS_TIME))

@@ -391,6 +405,10 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 
 	case PTP_PIN_SETFUNC:
 	case PTP_PIN_SETFUNC2:
+		if ((pccontext->fp->f_mode & FMODE_WRITE) == 0) {
+			err = -EACCES;
+			break;
+		}
 		if (copy_from_user(&pd, (void __user *)arg, sizeof(pd))) {
 			err = -EFAULT;
 			break;

@@ -430,9 +448,11 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-__poll_t ptp_poll(struct posix_clock *pc, struct file *fp, poll_table *wait)
+__poll_t ptp_poll(struct posix_clock_context *pccontext, struct file *fp,
+		  poll_table *wait)
 {
-	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
+	struct ptp_clock *ptp =
+		container_of(pccontext->clk, struct ptp_clock, clock);
 
 	poll_wait(fp, &ptp->tsev_wq, wait);
 

@@ -441,10 +461,11 @@ __poll_t ptp_poll(struct posix_clock *pc, struct file *fp, poll_table *wait)
 
 #define EXTTS_BUFSIZE (PTP_BUF_TIMESTAMPS * sizeof(struct ptp_extts_event))
 
-ssize_t ptp_read(struct posix_clock *pc,
-		 uint rdflags, char __user *buf, size_t cnt)
+ssize_t ptp_read(struct posix_clock_context *pccontext, uint rdflags,
+		 char __user *buf, size_t cnt)
 {
-	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
+	struct ptp_clock *ptp =
+		container_of(pccontext->clk, struct ptp_clock, clock);
 	struct timestamp_event_queue *queue = &ptp->tsevq;
 	struct ptp_extts_event *event;
 	unsigned long flags;

index d2cb95670676..ba3a1a29a288 100644
@@ -73,16 +73,18 @@ static inline int queue_cnt(const struct timestamp_event_queue *q)
 int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,
 		    enum ptp_pin_function func, unsigned int chan);
 
-long ptp_ioctl(struct posix_clock *pc,
-	       unsigned int cmd, unsigned long arg);
+long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd,
+	       unsigned long arg);
 
-int ptp_open(struct posix_clock *pc, fmode_t fmode);
+int ptp_open(struct posix_clock_context *pccontext, fmode_t fmode);
 
-ssize_t ptp_read(struct posix_clock *pc,
-		 uint flags, char __user *buf, size_t cnt);
+int ptp_release(struct posix_clock_context *pccontext);
 
-__poll_t ptp_poll(struct posix_clock *pc,
-	      struct file *fp, poll_table *wait);
+ssize_t ptp_read(struct posix_clock_context *pccontext, uint flags, char __user *buf,
+		 size_t cnt);
+
+__poll_t ptp_poll(struct posix_clock_context *pccontext, struct file *fp,
+		  poll_table *wait);
 
 /*
  * see ptp_sysfs.c

index 96d6e384b2b2..17ebc6358357 100644
@@ -1019,6 +1019,7 @@ unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
 					      &nonemb_cmd->dma,
 					      GFP_KERNEL);
 	if (!nonemb_cmd->va) {
+		free_mcc_wrb(ctrl, tag);
 		mutex_unlock(&ctrl->mbox_lock);
 		return 0;
 	}

index ffc6f3031e82..4e9114f06983 100644
@@ -241,11 +241,20 @@ static void scsi_eh_inc_host_failed(struct rcu_head *head)
 {
 	struct scsi_cmnd *scmd = container_of(head, typeof(*scmd), rcu);
 	struct Scsi_Host *shost = scmd->device->host;
-	unsigned int busy = scsi_host_busy(shost);
+	unsigned int busy;
 	unsigned long flags;
 
 	spin_lock_irqsave(shost->host_lock, flags);
 	shost->host_failed++;
+	spin_unlock_irqrestore(shost->host_lock, flags);
+	/*
+	 * The counting of busy requests needs to occur after adding to
+	 * host_failed or after the lock acquire for adding to host_failed
+	 * to prevent a race with host unbusy and missing an eh wakeup.
+	 */
+	busy = scsi_host_busy(shost);
+
+	spin_lock_irqsave(shost->host_lock, flags);
 	scsi_eh_wakeup(shost, busy);
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }

index fb48d47e9183..8d570632982f 100644
@@ -310,6 +310,14 @@ static void scsi_dec_host_busy(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
 	rcu_read_lock();
 	__clear_bit(SCMD_STATE_INFLIGHT, &cmd->state);
 	if (unlikely(scsi_host_in_recovery(shost))) {
+		/*
+		 * Ensure the clear of SCMD_STATE_INFLIGHT is visible to
+		 * other CPUs before counting busy requests. Otherwise,
+		 * reordering can cause CPUs to race and miss an eh wakeup
+		 * when no CPU sees all busy requests as done or timed out.
+		 */
+		smp_mb();
+
 		unsigned int busy = scsi_host_busy(shost);
 
 		spin_lock_irqsave(shost->host_lock, flags);

index 8c98dc672ca8..917ba169d418 100644
@@ -1154,7 +1154,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
 	 * The current SCSI handling on the host side does
 	 * not correctly handle:
 	 * INQUIRY command with page code parameter set to 0x80
-	 * MODE_SENSE command with cmd[2] == 0x1c
+	 * MODE_SENSE and MODE_SENSE_10 command with cmd[2] == 0x1c
 	 * MAINTENANCE_IN is not supported by HyperV FC passthrough
 	 *
 	 * Setup srb and scsi status so this won't be fatal.

@@ -1164,6 +1164,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
 
 	if ((stor_pkt->vm_srb.cdb[0] == INQUIRY) ||
 	   (stor_pkt->vm_srb.cdb[0] == MODE_SENSE) ||
+	   (stor_pkt->vm_srb.cdb[0] == MODE_SENSE_10) ||
 	   (stor_pkt->vm_srb.cdb[0] == MAINTENANCE_IN &&
 	   hv_dev_is_fc(device))) {
 		vstor_packet->vm_srb.scsi_status = 0;

index 69f6178f294c..bf2547df228a 100644
@@ -380,6 +380,8 @@ struct slim_device *slim_get_device(struct slim_controller *ctrl,
 		sbdev = slim_alloc_device(ctrl, e_addr, NULL);
 		if (!sbdev)
 			return ERR_PTR(-ENOMEM);
+
+		get_device(&sbdev->dev);
 	}
 
 	return sbdev;

@@ -498,21 +500,24 @@ int slim_device_report_present(struct slim_controller *ctrl,
 	if (ctrl->sched.clk_state != SLIM_CLK_ACTIVE) {
 		dev_err(ctrl->dev, "slim ctrl not active,state:%d, ret:%d\n",
 				    ctrl->sched.clk_state, ret);
-		goto slimbus_not_active;
+		goto out_put_rpm;
 	}
 
 	sbdev = slim_get_device(ctrl, e_addr);
-	if (IS_ERR(sbdev))
-		return -ENODEV;
+	if (IS_ERR(sbdev)) {
+		ret = -ENODEV;
+		goto out_put_rpm;
+	}
 
 	if (sbdev->is_laddr_valid) {
 		*laddr = sbdev->laddr;
-		return 0;
+		ret = 0;
+	} else {
+		ret = slim_device_alloc_laddr(sbdev, true);
 	}
 
-	ret = slim_device_alloc_laddr(sbdev, true);
-
-slimbus_not_active:
+	put_device(&sbdev->dev);
+out_put_rpm:
 	pm_runtime_mark_last_busy(ctrl->dev);
 	pm_runtime_put_autosuspend(ctrl->dev);
 	return ret;

index b5d00a006dbb..a4e2a61e7cb0 100644
@@ -640,7 +640,7 @@ struct comedi_chaninfo {
 
 /**
  * struct comedi_rangeinfo - used to retrieve the range table for a channel
- * @range_type:		Encodes subdevice index (bits 27:24), channel index
+ * @range_type:		Encodes subdevice index (bits 31:24), channel index
  *			(bits 23:16) and range table length (bits 15:0).
  * @range_ptr:		Pointer to array of @struct comedi_krange to be filled
  *			in with the range table for the channel or subdevice.

index de89922e7397..1c36d34f9e33 100644
@@ -1095,7 +1095,7 @@ static int do_chaninfo_ioctl(struct comedi_device *dev,
 		for (i = 0; i < s->n_chan; i++) {
 			int x;
 
-			x = (dev->minor << 28) | (it->subdev << 24) | (i << 16) |
+			x = (it->subdev << 24) | (i << 16) |
 			    (s->range_table_list[i]->length);
 			if (put_user(x, it->rangelist + i))
 				return -EFAULT;

index 56682f01242f..85a0f58c134f 100644
@@ -331,6 +331,7 @@ static int dmm32at_ai_cmdtest(struct comedi_device *dev,
 
 static void dmm32at_setaitimer(struct comedi_device *dev, unsigned int nansec)
 {
+	unsigned long irq_flags;
 	unsigned char lo1, lo2, hi2;
 	unsigned short both2;
 

@@ -343,6 +344,9 @@ static void dmm32at_setaitimer(struct comedi_device *dev, unsigned int nansec)
 	/* set counter clocks to 10MHz, disable all aux dio */
 	outb(0, dev->iobase + DMM32AT_CTRDIO_CFG_REG);
 
+	/* serialize access to control register and paged registers */
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
+
 	/* get access to the clock regs */
 	outb(DMM32AT_CTRL_PAGE_8254, dev->iobase + DMM32AT_CTRL_REG);
 

@@ -355,6 +359,8 @@ static void dmm32at_setaitimer(struct comedi_device *dev, unsigned int nansec)
 	outb(lo2, dev->iobase + DMM32AT_CLK2);
 	outb(hi2, dev->iobase + DMM32AT_CLK2);
 
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+
 	/* enable the ai conversion interrupt and the clock to start scans */
 	outb(DMM32AT_INTCLK_ADINT |
 	     DMM32AT_INTCLK_CLKEN | DMM32AT_INTCLK_CLKSEL,

@@ -364,13 +370,19 @@ static void dmm32at_setaitimer(struct comedi_device *dev, unsigned int nansec)
 static int dmm32at_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	struct comedi_cmd *cmd = &s->async->cmd;
+	unsigned long irq_flags;
 	int ret;
 
 	dmm32at_ai_set_chanspec(dev, s, cmd->chanlist[0], cmd->chanlist_len);
 
+	/* serialize access to control register and paged registers */
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
+
 	/* reset the interrupt just in case */
 	outb(DMM32AT_CTRL_INTRST, dev->iobase + DMM32AT_CTRL_REG);
 
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+
 	/*
 	 * wait for circuit to settle
 	 * we don't have the 'insn' here but it's not needed

@@ -430,8 +442,13 @@ static irqreturn_t dmm32at_isr(int irq, void *d)
 		comedi_handle_events(dev, s);
 	}
 
+	/* serialize access to control register and paged registers */
+	spin_lock(&dev->spinlock);
+
 	/* reset the interrupt */
 	outb(DMM32AT_CTRL_INTRST, dev->iobase + DMM32AT_CTRL_REG);
+
+	spin_unlock(&dev->spinlock);
 	return IRQ_HANDLED;
 }
 

@@ -482,14 +499,25 @@ static int dmm32at_ao_insn_write(struct comedi_device *dev,
 static int dmm32at_8255_io(struct comedi_device *dev,
 			   int dir, int port, int data, unsigned long regbase)
 {
+	unsigned long irq_flags;
+	int ret;
+
+	/* serialize access to control register and paged registers */
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
+
 	/* get access to the DIO regs */
 	outb(DMM32AT_CTRL_PAGE_8255, dev->iobase + DMM32AT_CTRL_REG);
 
 	if (dir) {
 		outb(data, dev->iobase + regbase + port);
-		return 0;
+		ret = 0;
+	} else {
+		ret = inb(dev->iobase + regbase + port);
 	}
-	return inb(dev->iobase + regbase + port);
+
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+
+	return ret;
 }
 
 /* Make sure the board is there and put it to a known state */

index a4e6fe0fb729..1f38c896ed5b 100644
@@ -52,7 +52,7 @@ int do_rangeinfo_ioctl(struct comedi_device *dev,
 	const struct comedi_lrange *lr;
 	struct comedi_subdevice *s;
 
-	subd = (it->range_type >> 24) & 0xf;
+	subd = (it->range_type >> 24) & 0xff;
 	chan = (it->range_type >> 16) & 0xff;
 
 	if (!dev->attached)

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