PCI: Fix typos and whitespace errors

Fix typos in drivers/pci.  Comment and whitespace changes only.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>

1 files changed, 22 insertions, 21 deletions

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index e039b740fe74..59a6d232f77a 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -237,7 +237,7 @@ static void msi_set_mask_bit(struct irq_data *data, u32 flag)
 }
 
 /**
- * pci_msi_mask_irq - Generic irq chip callback to mask PCI/MSI interrupts
+ * pci_msi_mask_irq - Generic IRQ chip callback to mask PCI/MSI interrupts
  * @data:	pointer to irqdata associated to that interrupt
  */
 void pci_msi_mask_irq(struct irq_data *data)
@@ -247,7 +247,7 @@ void pci_msi_mask_irq(struct irq_data *data)
 EXPORT_SYMBOL_GPL(pci_msi_mask_irq);
 
 /**
- * pci_msi_unmask_irq - Generic irq chip callback to unmask PCI/MSI interrupts
+ * pci_msi_unmask_irq - Generic IRQ chip callback to unmask PCI/MSI interrupts
  * @data:	pointer to irqdata associated to that interrupt
  */
 void pci_msi_unmask_irq(struct irq_data *data)
@@ -588,11 +588,11 @@ static int msi_verify_entries(struct pci_dev *dev)
  * msi_capability_init - configure device's MSI capability structure
  * @dev: pointer to the pci_dev data structure of MSI device function
  * @nvec: number of interrupts to allocate
- * @affd: description of automatic irq affinity assignments (may be %NULL)
+ * @affd: description of automatic IRQ affinity assignments (may be %NULL)
  *
  * Setup the MSI capability structure of the device with the requested
  * number of interrupts.  A return value of zero indicates the successful
- * setup of an entry with the new MSI irq.  A negative return value indicates
+ * setup of an entry with the new MSI IRQ.  A negative return value indicates
  * an error, and a positive return value indicates the number of interrupts
  * which could have been allocated.
  */
@@ -609,7 +609,7 @@ static int msi_capability_init(struct pci_dev *dev, int nvec,
 	if (!entry)
 		return -ENOMEM;
 
-	/* All MSIs are unmasked by default, Mask them all */
+	/* All MSIs are unmasked by default; mask them all */
 	mask = msi_mask(entry->msi_attrib.multi_cap);
 	msi_mask_irq(entry, mask, mask);
 
@@ -637,7 +637,7 @@ static int msi_capability_init(struct pci_dev *dev, int nvec,
 		return ret;
 	}
 
-	/* Set MSI enabled bits	 */
+	/* Set MSI enabled bits	*/
 	pci_intx_for_msi(dev, 0);
 	pci_msi_set_enable(dev, 1);
 	dev->msi_enabled = 1;
@@ -729,11 +729,11 @@ static void msix_program_entries(struct pci_dev *dev,
  * @dev: pointer to the pci_dev data structure of MSI-X device function
  * @entries: pointer to an array of struct msix_entry entries
  * @nvec: number of @entries
- * @affd: Optional pointer to enable automatic affinity assignement
+ * @affd: Optional pointer to enable automatic affinity assignment
  *
  * Setup the MSI-X capability structure of device function with a
- * single MSI-X irq. A return of zero indicates the successful setup of
- * requested MSI-X entries with allocated irqs or non-zero for otherwise.
+ * single MSI-X IRQ. A return of zero indicates the successful setup of
+ * requested MSI-X entries with allocated IRQs or non-zero for otherwise.
  **/
 static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
 				int nvec, struct irq_affinity *affd)
@@ -789,7 +789,7 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
 out_avail:
 	if (ret < 0) {
 		/*
-		 * If we had some success, report the number of irqs
+		 * If we had some success, report the number of IRQs
 		 * we succeeded in setting up.
 		 */
 		struct msi_desc *entry;
@@ -812,7 +812,7 @@ out_free:
 /**
  * pci_msi_supported - check whether MSI may be enabled on a device
  * @dev: pointer to the pci_dev data structure of MSI device function
- * @nvec: how many MSIs have been requested ?
+ * @nvec: how many MSIs have been requested?
  *
  * Look at global flags, the device itself, and its parent buses
  * to determine if MSI/-X are supported for the device. If MSI/-X is
@@ -896,7 +896,7 @@ static void pci_msi_shutdown(struct pci_dev *dev)
 	/* Keep cached state to be restored */
 	__pci_msi_desc_mask_irq(desc, mask, ~mask);
 
-	/* Restore dev->irq to its default pin-assertion irq */
+	/* Restore dev->irq to its default pin-assertion IRQ */
 	dev->irq = desc->msi_attrib.default_irq;
 	pcibios_alloc_irq(dev);
 }
@@ -958,7 +958,7 @@ static int __pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries,
 		}
 	}
 
-	/* Check whether driver already requested for MSI irq */
+	/* Check whether driver already requested for MSI IRQ */
 	if (dev->msi_enabled) {
 		pci_info(dev, "can't enable MSI-X (MSI IRQ already assigned)\n");
 		return -EINVAL;
@@ -1026,7 +1026,7 @@ static int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec,
 	if (!pci_msi_supported(dev, minvec))
 		return -EINVAL;
 
-	/* Check whether driver already requested MSI-X irqs */
+	/* Check whether driver already requested MSI-X IRQs */
 	if (dev->msix_enabled) {
 		pci_info(dev, "can't enable MSI (MSI-X already enabled)\n");
 		return -EINVAL;
@@ -1113,8 +1113,8 @@ static int __pci_enable_msix_range(struct pci_dev *dev,
  * pci_enable_msix_range - configure device's MSI-X capability structure
  * @dev: pointer to the pci_dev data structure of MSI-X device function
  * @entries: pointer to an array of MSI-X entries
- * @minvec: minimum number of MSI-X irqs requested
- * @maxvec: maximum number of MSI-X irqs requested
+ * @minvec: minimum number of MSI-X IRQs requested
+ * @maxvec: maximum number of MSI-X IRQs requested
  *
  * Setup the MSI-X capability structure of device function with a maximum
  * possible number of interrupts in the range between @minvec and @maxvec
@@ -1179,7 +1179,7 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs,
 			return msi_vecs;
 	}
 
-	/* use legacy irq if allowed */
+	/* use legacy IRQ if allowed */
 	if (flags & PCI_IRQ_LEGACY) {
 		if (min_vecs == 1 && dev->irq) {
 			/*
@@ -1248,7 +1248,7 @@ int pci_irq_vector(struct pci_dev *dev, unsigned int nr)
 EXPORT_SYMBOL(pci_irq_vector);
 
 /**
- * pci_irq_get_affinity - return the affinity of a particular msi vector
+ * pci_irq_get_affinity - return the affinity of a particular MSI vector
  * @dev:	PCI device to operate on
  * @nr:		device-relative interrupt vector index (0-based).
  */
@@ -1280,7 +1280,7 @@ const struct cpumask *pci_irq_get_affinity(struct pci_dev *dev, int nr)
 EXPORT_SYMBOL(pci_irq_get_affinity);
 
 /**
- * pci_irq_get_node - return the numa node of a particular msi vector
+ * pci_irq_get_node - return the NUMA node of a particular MSI vector
  * @pdev:	PCI device to operate on
  * @vec:	device-relative interrupt vector index (0-based).
  */
@@ -1330,7 +1330,7 @@ void pci_msi_domain_write_msg(struct irq_data *irq_data, struct msi_msg *msg)
 /**
  * pci_msi_domain_calc_hwirq - Generate a unique ID for an MSI source
  * @dev:	Pointer to the PCI device
- * @desc:	Pointer to the msi descriptor
+ * @desc:	Pointer to the MSI descriptor
  *
  * The ID number is only used within the irqdomain.
  */
@@ -1348,7 +1348,8 @@ static inline bool pci_msi_desc_is_multi_msi(struct msi_desc *desc)
 }
 
 /**
- * pci_msi_domain_check_cap - Verify that @domain supports the capabilities for @dev
+ * pci_msi_domain_check_cap - Verify that @domain supports the capabilities
+ * 			      for @dev
  * @domain:	The interrupt domain to check
  * @info:	The domain info for verification
  * @dev:	The device to check