Merge branch 'pci/misc'

- Tidy setup-irq.c comments (Pranay Sanghai)

- Fix misspellings (Krzysztof Wilczyński)

- Fix sprintf(), sscanf() format mismatches (Krzysztof Wilczyński)

- Tidy cpqphp code formatting (Krzysztof Wilczyński)

- Remove unused pci_pool wrappers, which have been replaced by dma_pool
  (Cai Huoqing)

- Remove a redundant initialization in __pci_reset_function_locked() (Colin
  Ian King)

- Use 'unsigned int' instead of 'unsigned' (Krzysztof Wilczyński)

- Update PCI subsystem information in MAINTAINERS (Krzysztof Wilczyński)

- Include generic <linux/> headers instead of <asm/> for cpqphp and vmd
  (Krzysztof Wilczyński)

* pci/misc:
  PCI: vmd: Drop redundant includes of <asm/device.h>, <asm/msi.h>
  PCI: cpqphp: Use <linux/io.h> instead of <asm/io.h>
  MAINTAINERS: Update PCI subsystem information
  PCI: Prefer 'unsigned int' over bare 'unsigned'
  PCI: Remove redundant 'rc' initialization
  PCI: Remove unused pci_pool wrappers
  PCI: cpqphp: Format if-statement code block correctly
  PCI: Use unsigned to match sscanf("%x") in pci_dev_str_match_path()
  PCI: hv: Remove unnecessary use of %hx
  PCI: Correct misspelled and remove duplicated words
  PCI: Tidy comments

MAINTAINERS

@@ -14440,9 +14440,12 @@ M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
 R:	Krzysztof Wilczyński <kw@linux.com>
 L:	linux-pci@vger.kernel.org
 S:	Supported
+Q:	https://patchwork.kernel.org/project/linux-pci/list/
+B:	https://bugzilla.kernel.org
+C:	irc://irc.oftc.net/linux-pci
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git
 F:	Documentation/PCI/endpoint/*
 F:	Documentation/misc-devices/pci-endpoint-test.rst
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
 F:	drivers/misc/pci_endpoint_test.c
 F:	drivers/pci/endpoint/
 F:	tools/pci/
@@ -14488,15 +14491,21 @@ R:	Rob Herring <robh@kernel.org>
 R:	Krzysztof Wilczyński <kw@linux.com>
 L:	linux-pci@vger.kernel.org
 S:	Supported
-Q:	http://patchwork.ozlabs.org/project/linux-pci/list/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/
+Q:	https://patchwork.kernel.org/project/linux-pci/list/
+B:	https://bugzilla.kernel.org
+C:	irc://irc.oftc.net/linux-pci
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git
 F:	drivers/pci/controller/
+F:	drivers/pci/pci-bridge-emul.c
+F:	drivers/pci/pci-bridge-emul.h
 
 PCI SUBSYSTEM
 M:	Bjorn Helgaas <bhelgaas@google.com>
 L:	linux-pci@vger.kernel.org
 S:	Supported
-Q:	http://patchwork.ozlabs.org/project/linux-pci/list/
+Q:	https://patchwork.kernel.org/project/linux-pci/list/
+B:	https://bugzilla.kernel.org
+C:	irc://irc.oftc.net/linux-pci
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
 F:	Documentation/PCI/
 F:	Documentation/devicetree/bindings/pci/

drivers/pci/controller/pci-hyperv.c

@@ -3126,14 +3126,14 @@ static int hv_pci_probe(struct hv_device *hdev,
 
 	if (dom == HVPCI_DOM_INVALID) {
 		dev_err(&hdev->device,
-			"Unable to use dom# 0x%hx or other numbers", dom_req);
+			"Unable to use dom# 0x%x or other numbers", dom_req);
 		ret = -EINVAL;
 		goto free_bus;
 	}
 
 	if (dom != dom_req)
 		dev_info(&hdev->device,
-			 "PCI dom# 0x%hx has collision, using 0x%hx",
+			 "PCI dom# 0x%x has collision, using 0x%x",
 			 dom_req, dom);
 
 	hbus->bridge->domain_nr = dom;

drivers/pci/controller/pci-thunder-ecam.c

@@ -17,7 +17,7 @@ static void set_val(u32 v, int where, int size, u32 *val)
 {
 	int shift = (where & 3) * 8;
 
-	pr_debug("set_val %04x: %08x\n", (unsigned)(where & ~3), v);
+	pr_debug("set_val %04x: %08x\n", (unsigned int)(where & ~3), v);
 	v >>= shift;
 	if (size == 1)
 		v &= 0xff;
@@ -187,7 +187,7 @@ static int thunder_ecam_config_read(struct pci_bus *bus, unsigned int devfn,
 
 	pr_debug("%04x:%04x - Fix pass#: %08x, where: %03x, devfn: %03x\n",
 		 vendor_device & 0xffff, vendor_device >> 16, class_rev,
-		 (unsigned) where, devfn);
+		 (unsigned int)where, devfn);
 
 	/* Check for non type-00 header */
 	if (cfg_type == 0) {

drivers/pci/controller/pci-xgene-msi.c

@@ -302,7 +302,7 @@ static void xgene_msi_isr(struct irq_desc *desc)
 
 	/*
 	 * MSIINTn (n is 0..F) indicates if there is a pending MSI interrupt
-	 * If bit x of this register is set (x is 0..7), one or more interupts
+	 * If bit x of this register is set (x is 0..7), one or more interrupts
 	 * corresponding to MSInIRx is set.
 	 */
 	grp_select = xgene_msi_int_read(xgene_msi, msi_grp);

drivers/pci/controller/pcie-brcmstb.c

@@ -145,7 +145,7 @@
 #define BRCM_INT_PCI_MSI_LEGACY_NR	8
 #define BRCM_INT_PCI_MSI_SHIFT		0
 
-/* MSI target adresses */
+/* MSI target addresses */
 #define BRCM_MSI_TARGET_ADDR_LT_4GB	0x0fffffffcULL
 #define BRCM_MSI_TARGET_ADDR_GT_4GB	0xffffffffcULL
 

drivers/pci/controller/pcie-iproc.c

@@ -249,7 +249,7 @@ enum iproc_pcie_reg {
 
 	/*
 	 * To hold the address of the register where the MSI writes are
-	 * programed.  When ARM GICv3 ITS is used, this should be programmed
+	 * programmed.  When ARM GICv3 ITS is used, this should be programmed
 	 * with the address of the GITS_TRANSLATER register.
 	 */
 	IPROC_PCIE_MSI_ADDR_LO,

drivers/pci/controller/vmd.c

@@ -18,8 +18,6 @@
 #include <linux/rcupdate.h>
 
 #include <asm/irqdomain.h>
-#include <asm/device.h>
-#include <asm/msi.h>
 
 #define VMD_CFGBAR	0
 #define VMD_MEMBAR1	2

drivers/pci/endpoint/pci-epc-core.c

@@ -700,7 +700,7 @@ EXPORT_SYMBOL_GPL(pci_epc_linkup);
 /**
  * pci_epc_init_notify() - Notify the EPF device that EPC device's core
  *			   initialization is completed.
- * @epc: the EPC device whose core initialization is completeds
+ * @epc: the EPC device whose core initialization is completed
  *
  * Invoke to Notify the EPF device that the EPC device's initialization
  * is completed.

drivers/pci/endpoint/pci-epf-core.c

@@ -224,7 +224,7 @@ EXPORT_SYMBOL_GPL(pci_epf_add_vepf);
  *   be removed
  * @epf_vf: the virtual EP function to be removed
  *
- * Invoke to remove a virtual endpoint function from the physcial endpoint
+ * Invoke to remove a virtual endpoint function from the physical endpoint
  * function.
  */
 void pci_epf_remove_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf)
@@ -432,7 +432,7 @@ EXPORT_SYMBOL_GPL(pci_epf_destroy);
 /**
  * pci_epf_create() - create a new PCI EPF device
  * @name: the name of the PCI EPF device. This name will be used to bind the
- *	  the EPF device to a EPF driver
+ *	  EPF device to a EPF driver
  *
  * Invoke to create a new PCI EPF device by providing the name of the function
  * device.

drivers/pci/hotplug/acpiphp_glue.c

@@ -22,7 +22,7 @@
  *    when the bridge is scanned and it loses a refcount when the bridge
  *    is removed.
  *  - When a P2P bridge is present, we elevate the refcount on the subordinate
- *    bus. It loses the refcount when the the driver unloads.
+ *    bus. It loses the refcount when the driver unloads.
  */
 
 #define pr_fmt(fmt) "acpiphp_glue: " fmt

drivers/pci/hotplug/cpqphp.h

@@ -15,7 +15,7 @@
 #define _CPQPHP_H
 
 #include <linux/interrupt.h>
-#include <asm/io.h>		/* for read? and write? functions */
+#include <linux/io.h>		/* for read? and write? functions */
 #include <linux/delay.h>	/* for delays */
 #include <linux/mutex.h>
 #include <linux/sched/signal.h>	/* for signal_pending() */

drivers/pci/hotplug/cpqphp_ctrl.c

@@ -519,7 +519,7 @@ static struct pci_resource *do_bridge_resource_split(struct pci_resource **head,
  * @head: list to search
  * @size: size of node to find, must be a power of two.
  *
- * Description: This function sorts the resource list by size and then returns
+ * Description: This function sorts the resource list by size and then
  * returns the first node of "size" length that is not in the ISA aliasing
  * window.  If it finds a node larger than "size" it will split it up.
  */
@@ -1202,7 +1202,7 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_
 
 	mdelay(5);
 
-	/* Reenable interrupts */
+	/* Re-enable interrupts */
 	writel(0, ctrl->hpc_reg + INT_MASK);
 
 	pci_write_config_byte(ctrl->pci_dev, 0x41, reg);

drivers/pci/hotplug/cpqphp_pci.c

@@ -189,8 +189,10 @@ int cpqhp_set_irq(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num)
 		/* This should only be for x86 as it sets the Edge Level
 		 * Control Register
 		 */
-		outb((u8) (temp_word & 0xFF), 0x4d0); outb((u8) ((temp_word &
-		0xFF00) >> 8), 0x4d1); rc = 0; }
+		outb((u8)(temp_word & 0xFF), 0x4d0);
+		outb((u8)((temp_word & 0xFF00) >> 8), 0x4d1);
+		rc = 0;
+	}
 
 	return rc;
 }

drivers/pci/hotplug/ibmphp.h

@@ -352,7 +352,7 @@ struct resource_node {
 	u32 len;
 	int type;		/* MEM, IO, PFMEM */
 	u8 fromMem;		/* this is to indicate that the range is from
-				 * from the Memory bucket rather than from PFMem */
+				 * the Memory bucket rather than from PFMem */
 	struct resource_node *next;
 	struct resource_node *nextRange;	/* for the other mem range on bus */
 };
@@ -736,7 +736,7 @@ struct controller {
 
 int ibmphp_init_devno(struct slot **);	/* This function is called from EBDA, so we need it not be static */
 int ibmphp_do_disable_slot(struct slot *slot_cur);
-int ibmphp_update_slot_info(struct slot *);	/* This function is called from HPC, so we need it to not be be static */
+int ibmphp_update_slot_info(struct slot *);	/* This function is called from HPC, so we need it to not be static */
 int ibmphp_configure_card(struct pci_func *, u8);
 int ibmphp_unconfigure_card(struct slot **, int);
 extern const struct hotplug_slot_ops ibmphp_hotplug_slot_ops;

drivers/pci/hotplug/shpchp_hpc.c

@@ -295,7 +295,7 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
 	mutex_lock(&slot->ctrl->cmd_lock);
 
 	if (!shpc_poll_ctrl_busy(ctrl)) {
-		/* After 1 sec and and the controller is still busy */
+		/* After 1 sec and the controller is still busy */
 		ctrl_err(ctrl, "Controller is still busy after 1 sec\n");
 		retval = -EBUSY;
 		goto out;

drivers/pci/msi.c

@@ -579,7 +579,8 @@ static int msi_capability_init(struct pci_dev *dev, int nvec,
 	return ret;
 }
 
-static void __iomem *msix_map_region(struct pci_dev *dev, unsigned nr_entries)
+static void __iomem *msix_map_region(struct pci_dev *dev,
+				     unsigned int nr_entries)
 {
 	resource_size_t phys_addr;
 	u32 table_offset;

drivers/pci/pci-driver.c

@@ -570,7 +570,7 @@ static int pci_pm_reenable_device(struct pci_dev *pci_dev)
 {
 	int retval;
 
-	/* if the device was enabled before suspend, reenable */
+	/* if the device was enabled before suspend, re-enable */
 	retval = pci_reenable_device(pci_dev);
 	/*
 	 * if the device was busmaster before the suspend, make it busmaster

drivers/pci/pci.c

@@ -269,7 +269,7 @@ static int pci_dev_str_match_path(struct pci_dev *dev, const char *path,
 				  const char **endptr)
 {
 	int ret;
-	int seg, bus, slot, func;
+	unsigned int seg, bus, slot, func;
 	char *wpath, *p;
 	char end;
 
@@ -5324,7 +5324,7 @@ const struct attribute_group pci_dev_reset_method_attr_group = {
  */
 int __pci_reset_function_locked(struct pci_dev *dev)
 {
-	int i, m, rc = -ENOTTY;
+	int i, m, rc;
 
 	might_sleep();
 
@@ -6360,11 +6360,12 @@ EXPORT_SYMBOL_GPL(pci_pr3_present);
  * cannot be left as a userspace activity).  DMA aliases should therefore
  * be configured via quirks, such as the PCI fixup header quirk.
  */
-void pci_add_dma_alias(struct pci_dev *dev, u8 devfn_from, unsigned nr_devfns)
+void pci_add_dma_alias(struct pci_dev *dev, u8 devfn_from,
+		       unsigned int nr_devfns)
 {
 	int devfn_to;
 
-	nr_devfns = min(nr_devfns, (unsigned) MAX_NR_DEVFNS - devfn_from);
+	nr_devfns = min(nr_devfns, (unsigned int)MAX_NR_DEVFNS - devfn_from);
 	devfn_to = devfn_from + nr_devfns - 1;
 
 	if (!dev->dma_alias_mask)

drivers/pci/pcie/aer.c

@@ -57,7 +57,7 @@ struct aer_stats {
 	 * "as seen by this device". Note that this may mean that if an
 	 * end point is causing problems, the AER counters may increment
 	 * at its link partner (e.g. root port) because the errors will be
-	 * "seen" by the link partner and not the the problematic end point
+	 * "seen" by the link partner and not the problematic end point
 	 * itself (which may report all counters as 0 as it never saw any
 	 * problems).
 	 */

drivers/pci/probe.c

@@ -2585,11 +2585,12 @@ struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn)
 }
 EXPORT_SYMBOL(pci_scan_single_device);
 
-static unsigned next_fn(struct pci_bus *bus, struct pci_dev *dev, unsigned fn)
+static unsigned int next_fn(struct pci_bus *bus, struct pci_dev *dev,
+			    unsigned int fn)
 {
 	int pos;
 	u16 cap = 0;
-	unsigned next_fn;
+	unsigned int next_fn;
 
 	if (pci_ari_enabled(bus)) {
 		if (!dev)
@@ -2648,7 +2649,7 @@ static int only_one_child(struct pci_bus *bus)
  */
 int pci_scan_slot(struct pci_bus *bus, int devfn)
 {
-	unsigned fn, nr = 0;
+	unsigned int fn, nr = 0;
 	struct pci_dev *dev;
 
 	if (only_one_child(bus) && (devfn > 0))

drivers/pci/quirks.c

@@ -501,7 +501,7 @@ static void quirk_s3_64M(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,	PCI_DEVICE_ID_S3_868,		quirk_s3_64M);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,	PCI_DEVICE_ID_S3_968,		quirk_s3_64M);
 
-static void quirk_io(struct pci_dev *dev, int pos, unsigned size,
+static void quirk_io(struct pci_dev *dev, int pos, unsigned int size,
 		     const char *name)
 {
 	u32 region;
@@ -552,7 +552,7 @@ static void quirk_cs5536_vsa(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_cs5536_vsa);
 
 static void quirk_io_region(struct pci_dev *dev, int port,
-				unsigned size, int nr, const char *name)
+			    unsigned int size, int nr, const char *name)
 {
 	u16 region;
 	struct pci_bus_region bus_region;
@@ -666,7 +666,7 @@ static void piix4_io_quirk(struct pci_dev *dev, const char *name, unsigned int p
 	base = devres & 0xffff;
 	size = 16;
 	for (;;) {
-		unsigned bit = size >> 1;
+		unsigned int bit = size >> 1;
 		if ((bit & mask) == bit)
 			break;
 		size = bit;
@@ -692,7 +692,7 @@ static void piix4_mem_quirk(struct pci_dev *dev, const char *name, unsigned int
 	mask = (devres & 0x3f) << 16;
 	size = 128 << 16;
 	for (;;) {
-		unsigned bit = size >> 1;
+		unsigned int bit = size >> 1;
 		if ((bit & mask) == bit)
 			break;
 		size = bit;
@@ -806,7 +806,7 @@ static void ich6_lpc_acpi_gpio(struct pci_dev *dev)
 				"ICH6 GPIO");
 }
 
-static void ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg,
+static void ich6_lpc_generic_decode(struct pci_dev *dev, unsigned int reg,
 				    const char *name, int dynsize)
 {
 	u32 val;
@@ -850,7 +850,7 @@ static void quirk_ich6_lpc(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH6_0, quirk_ich6_lpc);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc);
 
-static void ich7_lpc_generic_decode(struct pci_dev *dev, unsigned reg,
+static void ich7_lpc_generic_decode(struct pci_dev *dev, unsigned int reg,
 				    const char *name)
 {
 	u32 val;
@@ -2700,7 +2700,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA,
  * then the device can't use INTx interrupts. Tegra's PCIe root ports don't
  * generate MSI interrupts for PME and AER events instead only INTx interrupts
  * are generated. Though Tegra's PCIe root ports can generate MSI interrupts
- * for other events, since PCIe specificiation doesn't support using a mix of
+ * for other events, since PCIe specification doesn't support using a mix of
  * INTx and MSI/MSI-X, it is required to disable MSI interrupts to avoid port
  * service drivers registering their respective ISRs for MSIs.
  */

drivers/pci/rom.c

@@ -85,7 +85,7 @@ static size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom,
 {
 	void __iomem *image;
 	int last_image;
-	unsigned length;
+	unsigned int length;
 
 	image = rom;
 	do {

drivers/pci/setup-bus.c

@@ -1525,7 +1525,7 @@ static void pci_bridge_release_resources(struct pci_bus *bus,
 {
 	struct pci_dev *dev = bus->self;
 	struct resource *r;
-	unsigned old_flags = 0;
+	unsigned int old_flags = 0;
 	struct resource *b_res;
 	int idx = 1;
 

drivers/pci/setup-irq.c

@@ -8,7 +8,6 @@
  *	David Miller (davem@redhat.com)
  */
 
-
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/errno.h>
@@ -28,25 +27,26 @@ void pci_assign_irq(struct pci_dev *dev)
 		return;
 	}
 
-	/* If this device is not on the primary bus, we need to figure out
-	   which interrupt pin it will come in on.   We know which slot it
-	   will come in on 'cos that slot is where the bridge is.   Each
-	   time the interrupt line passes through a PCI-PCI bridge we must
-	   apply the swizzle function.  */
-
+	/*
+	 * If this device is not on the primary bus, we need to figure out
+	 * which interrupt pin it will come in on. We know which slot it
+	 * will come in on because that slot is where the bridge is. Each
+	 * time the interrupt line passes through a PCI-PCI bridge we must
+	 * apply the swizzle function.
+	 */
 	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
 	/* Cope with illegal. */
 	if (pin > 4)
 		pin = 1;
 
 	if (pin) {
-		/* Follow the chain of bridges, swizzling as we go.  */
+		/* Follow the chain of bridges, swizzling as we go. */
 		if (hbrg->swizzle_irq)
 			slot = (*(hbrg->swizzle_irq))(dev, &pin);
 
 		/*
-		 * If a swizzling function is not used map_irq must
-		 * ignore slot
+		 * If a swizzling function is not used, map_irq() must
+		 * ignore slot.
 		 */
 		irq = (*(hbrg->map_irq))(dev, slot, pin);
 		if (irq == -1)
@@ -56,7 +56,9 @@ void pci_assign_irq(struct pci_dev *dev)
 
 	pci_dbg(dev, "assign IRQ: got %d\n", dev->irq);
 
-	/* Always tell the device, so the driver knows what is
-	   the real IRQ to use; the device does not use it. */
+	/*
+	 * Always tell the device, so the driver knows what is the real IRQ
+	 * to use; the device does not use it.
+	 */
 	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
 }

include/linux/pci.h

@@ -1502,19 +1502,8 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
 #define PCI_IRQ_ALL_TYPES \
 	(PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX)
 
-/* kmem_cache style wrapper around pci_alloc_consistent() */
-
 #include <linux/dmapool.h>
 
-#define	pci_pool dma_pool
-#define pci_pool_create(name, pdev, size, align, allocation) \
-		dma_pool_create(name, &pdev->dev, size, align, allocation)
-#define	pci_pool_destroy(pool) dma_pool_destroy(pool)
-#define	pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle)
-#define	pci_pool_zalloc(pool, flags, handle) \
-		dma_pool_zalloc(pool, flags, handle)
-#define	pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
-
 struct msix_entry {
 	u32	vector;	/* Kernel uses to write allocated vector */
 	u16	entry;	/* Driver uses to specify entry, OS writes */