/* Arch hooks */
-#if defined(CONFIG_GENERIC_HARDIRQS)
int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
{
struct msi_chip *chip = dev->bus->msi;
return chip->check_device(chip, dev, nvec, type);
}
-#else
-int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
-{
- return -ENOSYS;
-}
-
-void __weak arch_teardown_msi_irq(unsigned int irq)
-{
-}
-
-int __weak arch_msi_check_device(struct pci_dev *dev, int nvec, int type)
-{
- return 0;
-}
-#endif /* CONFIG_GENERIC_HARDIRQS */
int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
desc->masked = __msix_mask_irq(desc, flag);
}
-#ifdef CONFIG_GENERIC_HARDIRQS
-
static void msi_set_mask_bit(struct irq_data *data, u32 flag)
{
struct msi_desc *desc = irq_data_get_msi(data);
msi_set_mask_bit(data, 0);
}
-#endif /* CONFIG_GENERIC_HARDIRQS */
-
void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
{
BUG_ON(entry->dev->current_state != PCI_D0);
nvec = entry->nvec_used;
else
nvec = 1 << entry->msi_attrib.multiple;
-#ifdef CONFIG_GENERIC_HARDIRQS
for (i = 0; i < nvec; i++)
BUG_ON(irq_has_action(entry->irq + i));
-#endif
}
arch_teardown_msi_irqs(dev);