diff options
| author | Ahmed S. Darwish <darwi@linutronix.de> | 2022-11-11 16:54:56 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2022-11-17 17:15:21 +0300 |
| commit | 7b50f62776672e7b328455eddc90ceb01b64ac3e (patch) | |
| tree | f3d93103a877a43d9dd5961df3977e7efbf12ea1 /drivers/pci/msi/msi.c | |
| parent | 059f778d66ba88e1acad89a46cfb35eb8703feef (diff) | |
| download | linux-7b50f62776672e7b328455eddc90ceb01b64ac3e.tar.xz | |
PCI/MSI: Move pci_msix_vec_count() to api.c
To disentangle the maze in msi.c, all exported device-driver MSI APIs are
now to be grouped in one file, api.c.
Move pci_msix_vec_count() and make its kernel-doc comprehensive.
Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20221111122015.099461602@linutronix.de
Diffstat (limited to 'drivers/pci/msi/msi.c')
| -rw-r--r-- | drivers/pci/msi/msi.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c index ed8caf5ac99f..1226d66da992 100644 --- a/drivers/pci/msi/msi.c +++ b/drivers/pci/msi/msi.c @@ -701,26 +701,6 @@ void pci_msi_shutdown(struct pci_dev *dev) pcibios_alloc_irq(dev); } -/** - * pci_msix_vec_count - return the number of device's MSI-X table entries - * @dev: pointer to the pci_dev data structure of MSI-X device function - * This function returns the number of device's MSI-X table entries and - * therefore the number of MSI-X vectors device is capable of sending. - * It returns a negative errno if the device is not capable of sending MSI-X - * interrupts. - **/ -int pci_msix_vec_count(struct pci_dev *dev) -{ - u16 control; - - if (!dev->msix_cap) - return -EINVAL; - - pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &control); - return msix_table_size(control); -} -EXPORT_SYMBOL(pci_msix_vec_count); - static int __pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec, struct irq_affinity *affd, int flags) { |