}
/**
- * 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)
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)
* 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.
*/
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);
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;
* @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)
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;
/**
* 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
/* 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);
}
}
}
- /* 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;
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;
* 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
return msi_vecs;
}
- /* use legacy irq if allowed */
+ /* use legacy IRQ if allowed */
if (flags & PCI_IRQ_LEGACY) {
if (min_vecs == 1 && dev->irq) {
/*
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).
*/
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).
*/
/**
* 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.
*/
}
/**
- * 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
projects / openwrt / staging / blogic.git / commitdiff