PCI: Fix typos

bjorn-helgaas · bjorn-helgaas · commit f4e026f454d7 · 2025-03-08T15:08:45.000-06:00
Fix typos and whitespace errors. Link: https://lore.kernel.org/r/20250307231715.438518-1-helgaas@kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
@@ -301,12 +301,12 @@ static int cdns_pcie_ep_set_msix(struct pci_epc *epc, u8 fn, u8 vfn,
 	val |= interrupts;
 	cdns_pcie_ep_fn_writew(pcie, fn, reg, val);
 
-	/* Set MSIX BAR and offset */
+	/* Set MSI-X BAR and offset */
 	reg = cap + PCI_MSIX_TABLE;
 	val = offset | bir;
 	cdns_pcie_ep_fn_writel(pcie, fn, reg, val);
 
-	/* Set PBA BAR and offset.  BAR must match MSIX BAR */
+	/* Set PBA BAR and offset.  BAR must match MSI-X BAR */
 	reg = cap + PCI_MSIX_PBA;
 	val = (offset + (interrupts * PCI_MSIX_ENTRY_SIZE)) | bir;
 	cdns_pcie_ep_fn_writel(pcie, fn, reg, val);
@@ -573,8 +573,8 @@ static int cdns_pcie_ep_start(struct pci_epc *epc)
 
 	/*
 	 * Next function field in ARI_CAP_AND_CTR register for last function
-	 * should be 0.
-	 * Clearing Next Function Number field for the last function used.
+	 * should be 0.  Clear Next Function Number field for the last
+	 * function used.
 	 */
 	last_fn = find_last_bit(&epc->function_num_map, BITS_PER_LONG);
 	reg     = CDNS_PCIE_CORE_PF_I_ARI_CAP_AND_CTRL(last_fn);
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -48,7 +48,7 @@
 #define PARF_DBI_BASE_ADDR_HI			0x354
 #define PARF_SLV_ADDR_SPACE_SIZE		0x358
 #define PARF_SLV_ADDR_SPACE_SIZE_HI		0x35c
-#define PARF_NO_SNOOP_OVERIDE			0x3d4
+#define PARF_NO_SNOOP_OVERRIDE			0x3d4
 #define PARF_ATU_BASE_ADDR			0x634
 #define PARF_ATU_BASE_ADDR_HI			0x638
 #define PARF_SRIS_MODE				0x644
@@ -89,9 +89,9 @@
 #define PARF_DEBUG_INT_CFG_BUS_MASTER_EN	BIT(2)
 #define PARF_DEBUG_INT_RADM_PM_TURNOFF		BIT(3)
 
-/* PARF_NO_SNOOP_OVERIDE register fields */
-#define WR_NO_SNOOP_OVERIDE_EN                 BIT(1)
-#define RD_NO_SNOOP_OVERIDE_EN                 BIT(3)
+/* PARF_NO_SNOOP_OVERRIDE register fields */
+#define WR_NO_SNOOP_OVERRIDE_EN			BIT(1)
+#define RD_NO_SNOOP_OVERRIDE_EN			BIT(3)
 
 /* PARF_DEVICE_TYPE register fields */
 #define PARF_DEVICE_TYPE_EP			0x0
@@ -529,8 +529,8 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci)
 	writel_relaxed(val, pcie_ep->parf + PARF_LTSSM);
 
 	if (pcie_ep->cfg && pcie_ep->cfg->override_no_snoop)
-		writel_relaxed(WR_NO_SNOOP_OVERIDE_EN | RD_NO_SNOOP_OVERIDE_EN,
-				pcie_ep->parf + PARF_NO_SNOOP_OVERIDE);
+		writel_relaxed(WR_NO_SNOOP_OVERRIDE_EN | RD_NO_SNOOP_OVERRIDE_EN,
+				pcie_ep->parf + PARF_NO_SNOOP_OVERRIDE);
 
 	return 0;
 
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -61,7 +61,7 @@
 #define PARF_DBI_BASE_ADDR_V2_HI		0x354
 #define PARF_SLV_ADDR_SPACE_SIZE_V2		0x358
 #define PARF_SLV_ADDR_SPACE_SIZE_V2_HI		0x35c
-#define PARF_NO_SNOOP_OVERIDE			0x3d4
+#define PARF_NO_SNOOP_OVERRIDE			0x3d4
 #define PARF_ATU_BASE_ADDR			0x634
 #define PARF_ATU_BASE_ADDR_HI			0x638
 #define PARF_DEVICE_TYPE			0x1000
@@ -135,9 +135,9 @@
 #define PARF_INT_ALL_LINK_UP			BIT(13)
 #define PARF_INT_MSI_DEV_0_7			GENMASK(30, 23)
 
-/* PARF_NO_SNOOP_OVERIDE register fields */
-#define WR_NO_SNOOP_OVERIDE_EN			BIT(1)
-#define RD_NO_SNOOP_OVERIDE_EN			BIT(3)
+/* PARF_NO_SNOOP_OVERRIDE register fields */
+#define WR_NO_SNOOP_OVERRIDE_EN			BIT(1)
+#define RD_NO_SNOOP_OVERRIDE_EN			BIT(3)
 
 /* PARF_DEVICE_TYPE register fields */
 #define DEVICE_TYPE_RC				0x4
@@ -1007,8 +1007,8 @@ static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie)
 	const struct qcom_pcie_cfg *pcie_cfg = pcie->cfg;
 
 	if (pcie_cfg->override_no_snoop)
-		writel(WR_NO_SNOOP_OVERIDE_EN | RD_NO_SNOOP_OVERIDE_EN,
-				pcie->parf + PARF_NO_SNOOP_OVERIDE);
+		writel(WR_NO_SNOOP_OVERRIDE_EN | RD_NO_SNOOP_OVERRIDE_EN,
+				pcie->parf + PARF_NO_SNOOP_OVERRIDE);
 
 	qcom_pcie_clear_aspm_l0s(pcie->pci);
 	qcom_pcie_clear_hpc(pcie->pci);
diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c
@@ -1422,7 +1422,7 @@ static void mvebu_pcie_powerdown(struct mvebu_pcie_port *port)
 }
 
 /*
- * devm_of_pci_get_host_bridge_resources() only sets up translateable resources,
+ * devm_of_pci_get_host_bridge_resources() only sets up translatable resources,
  * so we need extra resource setup parsing our special DT properties encoding
  * the MEM and IO apertures.
  */
diff --git a/drivers/pci/controller/pci-thunder-ecam.c b/drivers/pci/controller/pci-thunder-ecam.c
@@ -204,7 +204,7 @@ static int thunder_ecam_config_read(struct pci_bus *bus, unsigned int devfn,
 
 			v = readl(addr);
 			if (v & 0xff00)
-				pr_err("Bad MSIX cap header: %08x\n", v);
+				pr_err("Bad MSI-X cap header: %08x\n", v);
 			v |= 0xbc00; /* next capability is EA at 0xbc */
 			set_val(v, where, size, val);
 			return PCIBIOS_SUCCESSFUL;
diff --git a/drivers/pci/controller/pci-xgene-msi.c b/drivers/pci/controller/pci-xgene-msi.c
@@ -154,7 +154,7 @@ static void xgene_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
  * X-Gene v1 only has 16 MSI GIC IRQs for 2048 MSI vectors.  To maintain
  * the expected behaviour of .set_affinity for each MSI interrupt, the 16
  * MSI GIC IRQs are statically allocated to 8 X-Gene v1 cores (2 GIC IRQs
- * for each core).  The MSI vector is moved fom 1 MSI GIC IRQ to another
+ * for each core).  The MSI vector is moved from 1 MSI GIC IRQ to another
  * MSI GIC IRQ to steer its MSI interrupt to correct X-Gene v1 core.  As a
  * consequence, the total MSI vectors that X-Gene v1 supports will be
  * reduced to 256 (2048/8) vectors.
diff --git a/drivers/pci/controller/pcie-altera.c b/drivers/pci/controller/pcie-altera.c
@@ -149,7 +149,7 @@ static bool s10_altera_pcie_link_up(struct altera_pcie *pcie)
  * Altera PCIe port uses BAR0 of RC's configuration space as the translation
  * from PCI bus to native BUS.  Entire DDR region is mapped into PCIe space
  * using these registers, so it can be reached by DMA from EP devices.
- * This BAR0 will also access to MSI vector when receiving MSI/MSIX interrupt
+ * This BAR0 will also access to MSI vector when receiving MSI/MSI-X interrupt
  * from EP devices, eventually trigger interrupt to GIC.  The BAR0 of bridge
  * should be hidden during enumeration to avoid the sizing and resource
  * allocation by PCIe core.
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
@@ -40,7 +40,7 @@
 /* Broadcom STB PCIe Register Offsets */
 #define PCIE_RC_CFG_VENDOR_VENDOR_SPECIFIC_REG1				0x0188
 #define  PCIE_RC_CFG_VENDOR_VENDOR_SPECIFIC_REG1_ENDIAN_MODE_BAR2_MASK	0xc
-#define  PCIE_RC_CFG_VENDOR_SPCIFIC_REG1_LITTLE_ENDIAN			0x0
+#define  PCIE_RC_CFG_VENDOR_SPECIFIC_REG1_LITTLE_ENDIAN			0x0
 
 #define PCIE_RC_CFG_PRIV1_ID_VAL3			0x043c
 #define  PCIE_RC_CFG_PRIV1_ID_VAL3_CLASS_CODE_MASK	0xffffff
@@ -1180,7 +1180,7 @@ static int brcm_pcie_setup(struct brcm_pcie *pcie)
 
 	/* PCIe->SCB endian mode for inbound window */
 	tmp = readl(base + PCIE_RC_CFG_VENDOR_VENDOR_SPECIFIC_REG1);
-	u32p_replace_bits(&tmp, PCIE_RC_CFG_VENDOR_SPCIFIC_REG1_LITTLE_ENDIAN,
+	u32p_replace_bits(&tmp, PCIE_RC_CFG_VENDOR_SPECIFIC_REG1_LITTLE_ENDIAN,
 		PCIE_RC_CFG_VENDOR_VENDOR_SPECIFIC_REG1_ENDIAN_MODE_BAR2_MASK);
 	writel(tmp, base + PCIE_RC_CFG_VENDOR_VENDOR_SPECIFIC_REG1);
 
diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c
@@ -178,8 +178,8 @@ static int rcar_pcie_config_access(struct rcar_pcie_host *host,
 	 * space, it's generally only accessible when in endpoint mode.
 	 * When in root complex mode, the controller is unable to target
 	 * itself with either type 0 or type 1 accesses, and indeed, any
-	 * controller initiated target transfer to its own config space
-	 * result in a completer abort.
+	 * controller-initiated target transfer to its own config space
+	 * results in a completer abort.
 	 *
 	 * Each channel effectively only supports a single device, but as
 	 * the same channel <-> device access works for any PCI_SLOT()
@@ -775,7 +775,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie_host *host)
 	if (err)
 		return err;
 
-	/* Two irqs are for MSI, but they are also used for non-MSI irqs */
+	/* Two IRQs are for MSI, but they are also used for non-MSI IRQs */
 	err = devm_request_irq(dev, msi->irq1, rcar_pcie_msi_irq,
 			       IRQF_SHARED | IRQF_NO_THREAD,
 			       rcar_msi_bottom_chip.name, host);
@@ -792,7 +792,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie_host *host)
 		goto err;
 	}
 
-	/* disable all MSIs */
+	/* Disable all MSIs */
 	rcar_pci_write_reg(pcie, 0, PCIEMSIIER);
 
 	/*
@@ -892,6 +892,7 @@ static int rcar_pcie_inbound_ranges(struct rcar_pcie *pcie,
 			dev_err(pcie->dev, "Failed to map inbound regions!\n");
 			return -EINVAL;
 		}
+
 		/*
 		 * If the size of the range is larger than the alignment of
 		 * the start address, we have to use multiple entries to
@@ -903,6 +904,7 @@ static int rcar_pcie_inbound_ranges(struct rcar_pcie *pcie,
 
 			size = min(size, alignment);
 		}
+
 		/* Hardware supports max 4GiB inbound region */
 		size = min(size, 1ULL << 32);
 
diff --git a/drivers/pci/endpoint/Kconfig b/drivers/pci/endpoint/Kconfig
@@ -26,7 +26,7 @@ config PCI_ENDPOINT_CONFIGFS
 	help
 	   This will enable the configfs entry that can be used to
 	   configure the endpoint function and used to bind the
-	   function with a endpoint controller.
+	   function with an endpoint controller.
 
 source "drivers/pci/endpoint/functions/Kconfig"
 
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -632,7 +632,7 @@ static void pci_epf_test_raise_irq(struct pci_epf_test *epf_test,
 	case IRQ_TYPE_MSIX:
 		count = pci_epc_get_msix(epc, epf->func_no, epf->vfunc_no);
 		if (reg->irq_number > count || count <= 0) {
-			dev_err(dev, "Invalid MSIX IRQ number %d / %d\n",
+			dev_err(dev, "Invalid MSI-X IRQ number %d / %d\n",
 				reg->irq_number, count);
 			return;
 		}
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
@@ -97,7 +97,7 @@ config HOTPLUG_PCI_CPCI_ZT5550
 	tristate "Ziatech ZT5550 CompactPCI Hotplug driver"
 	depends on HOTPLUG_PCI_CPCI && X86
 	help
-	  Say Y here if you have an Performance Technologies (formerly Intel,
+	  Say Y here if you have a Performance Technologies (formerly Intel,
 	  formerly just Ziatech) Ziatech ZT5550 CompactPCI system card.
 
 	  To compile this driver as a module, choose M here: the
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
@@ -430,7 +430,7 @@ void pciehp_get_latch_status(struct controller *ctrl, u8 *status)
  * removed immediately after the check so the caller may need to take
  * this into account.
  *
- * It the hotplug controller itself is not available anymore returns
+ * If the hotplug controller itself is not available anymore returns
  * %-ENODEV.
  */
 int pciehp_card_present(struct controller *ctrl)
diff --git a/drivers/pci/msi/api.c b/drivers/pci/msi/api.c
@@ -162,7 +162,7 @@ struct msi_map pci_msix_alloc_irq_at(struct pci_dev *dev, unsigned int index,
 EXPORT_SYMBOL_GPL(pci_msix_alloc_irq_at);
 
 /**
- * pci_msix_free_irq - Free an interrupt on a PCI/MSIX interrupt domain
+ * pci_msix_free_irq - Free an interrupt on a PCI/MSI-X interrupt domain
  *
  * @dev:	The PCI device to operate on
  * @map:	A struct msi_map describing the interrupt to free
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
@@ -455,9 +455,9 @@ static int devm_of_pci_get_host_bridge_resources(struct device *dev,
  * @out_irq:    structure of_phandle_args filled by this function
  *
  * This function resolves the PCI interrupt for a given PCI device. If a
- * device-node exists for a given pci_dev, it will use normal OF tree
+ * device node exists for a given pci_dev, it will use normal OF tree
  * walking. If not, it will implement standard swizzling and walk up the
- * PCI tree until an device-node is found, at which point it will finish
+ * PCI tree until a device node is found, at which point it will finish
  * resolving using the OF tree walking.
  */
 static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
@@ -517,13 +517,16 @@ static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *
 		}
 
 		/*
-		 * Ok, we have found a parent with a device-node, hand over to
+		 * Ok, we have found a parent with a device node, hand over to
 		 * the OF parsing code.
+		 *
 		 * We build a unit address from the linux device to be used for
 		 * resolution. Note that we use the linux bus number which may
 		 * not match your firmware bus numbering.
+		 *
 		 * Fortunately, in most cases, interrupt-map-mask doesn't
 		 * include the bus number as part of the matching.
+		 *
 		 * You should still be careful about that though if you intend
 		 * to rely on this function (you ship a firmware that doesn't
 		 * create device nodes for all PCI devices).
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
@@ -4766,7 +4766,7 @@ static bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active,
 
 	/*
 	 * PCIe r4.0 sec 6.6.1, a component must enter LTSSM Detect within 20ms,
-	 * after which we should expect an link active if the reset was
+	 * after which we should expect the link to be active if the reset was
 	 * successful. If so, software must wait a minimum 100ms before sending
 	 * configuration requests to devices downstream this port.
 	 *
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h

Original file line number	Diff line number	Diff line change
`@@ -1422,7 +1422,7 @@ static void mvebu_pcie_powerdown(struct mvebu_pcie_port *port)`
`1422`	`1422`	`}`
`1423`	`1423`
`1424`	`1424`	`/*`
`1425`		`- * devm_of_pci_get_host_bridge_resources() only sets up translateable resources,`
	`1425`	`+ * devm_of_pci_get_host_bridge_resources() only sets up translatable resources,`
`1426`	`1426`	`* so we need extra resource setup parsing our special DT properties encoding`
`1427`	`1427`	`* the MEM and IO apertures.`
`1428`	`1428`	`*/`