diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-12-06 23:27:51 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-12-09 11:52:22 +0100 |
| commit | a01e09ef123789aa2e23e6b0238ed420791dd4ea (patch) | |
| tree | 27dbc47754f5d5410b368d3624722cb646888ef3 /drivers/pci/msi/msi.c | |
| parent | 54324c2f3d728f451d9053fcc7859b26fc9cecb4 (diff) | |
PCI/MSI: Split out !IRQDOMAIN code
Split out the non irqdomain code into its own file.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20211206210224.763574089@linutronix.de
Diffstat (limited to 'drivers/pci/msi/msi.c')
| -rw-r--r-- | drivers/pci/msi/msi.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c index a32345d9628c..78f10ce6e0cb 100644 --- a/drivers/pci/msi/msi.c +++ b/drivers/pci/msi/msi.c @@ -50,52 +50,6 @@ static void pci_msi_teardown_msi_irqs(struct pci_dev *dev) #define pci_msi_teardown_msi_irqs arch_teardown_msi_irqs #endif -#ifdef CONFIG_PCI_MSI_ARCH_FALLBACKS -/* Arch hooks */ -int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) -{ - return -EINVAL; -} - -void __weak arch_teardown_msi_irq(unsigned int irq) -{ -} - -int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) -{ - struct msi_desc *entry; - int ret; - - /* - * If an architecture wants to support multiple MSI, it needs to - * override arch_setup_msi_irqs() - */ - if (type == PCI_CAP_ID_MSI && nvec > 1) - return 1; - - for_each_pci_msi_entry(entry, dev) { - ret = arch_setup_msi_irq(dev, entry); - if (ret < 0) - return ret; - if (ret > 0) - return -ENOSPC; - } - - return 0; -} - -void __weak arch_teardown_msi_irqs(struct pci_dev *dev) -{ - int i; - struct msi_desc *entry; - - for_each_pci_msi_entry(entry, dev) - if (entry->irq) - for (i = 0; i < entry->nvec_used; i++) - arch_teardown_msi_irq(entry->irq + i); -} -#endif /* CONFIG_PCI_MSI_ARCH_FALLBACKS */ - /* * PCI 2.3 does not specify mask bits for each MSI interrupt. Attempting to * mask all MSI interrupts by clearing the MSI enable bit does not work |