BackPup/Linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-25 21:21:09 -04:00
Code Issues Packages Projects Releases Wiki Activity

PCI/MSI: Use msi_get_virq() in pci_get_vector()

Browse Source 
Use msi_get_vector() and handle the return value to be compatible.

No functional change intended.

Signed-off-by: Thomas Gleixner <[email protected]>
Tested-by: Michael Kelley <[email protected]>
Tested-by: Nishanth Menon <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
This commit is contained in:
Thomas Gleixner
2021-12-16 22:16:41 +01:00
parent cf15f43aca
commit 82ff8e6b78
1 changed files with 5 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/pci/msi/msi.c
+5 -20
View File
@@ -1080,28 +1080,13 @@ EXPORT_SYMBOL(pci_free_irq_vectors);
*/
int pci_irq_vector(struct pci_dev *dev, unsigned int nr)
{
if (dev->msix_enabled) {
struct msi_desc *entry;
unsigned int irq;
for_each_pci_msi_entry(entry, dev) {
if (entry->msi_index == nr)
return entry->irq;
}
WARN_ON_ONCE(1);
return -EINVAL;
}
if (!dev->msi_enabled && !dev->msix_enabled)
return !nr ? dev->irq : -EINVAL;
if (dev->msi_enabled) {
struct msi_desc *entry = first_pci_msi_entry(dev);
if (WARN_ON_ONCE(nr >= entry->nvec_used))
return -EINVAL;
} else {
if (WARN_ON_ONCE(nr > 0))
return -EINVAL;
}
return dev->irq + nr;
irq = msi_get_virq(&dev->dev, nr);
return irq ? irq : -EINVAL;
}
EXPORT_SYMBOL(pci_irq_vector);