diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2022-11-25 00:26:07 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2022-12-05 22:22:33 +0100 |
| commit | 45c0402457c1ed2f07ee32dc129ae710e0dc288c (patch) | |
| tree | 8f1dc73922539247343ca2797075af39155c04f0 | |
| parent | b6d5fc3a5245c65f7c83440460a1566d09cc9038 (diff) | |
PCI/MSI: Remove unused pci_dev_has_special_msi_domain()
The check for special MSI domains like VMD which prevents the interrupt
remapping code to overwrite device::msi::domain is not longer required and
has been replaced by an x86 specific version which is aware of MSI parent
domains.
Remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221124232326.093093200@linutronix.de
| -rw-r--r-- | drivers/pci/msi/irqdomain.c | 21 | ||||
| -rw-r--r-- | include/linux/msi.h | 1 |
2 files changed, 0 insertions, 22 deletions
diff --git a/drivers/pci/msi/irqdomain.c b/drivers/pci/msi/irqdomain.c index be3d50ffc093..473640381f92 100644 --- a/drivers/pci/msi/irqdomain.c +++ b/drivers/pci/msi/irqdomain.c @@ -414,24 +414,3 @@ struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev) DOMAIN_BUS_PCI_MSI); return dom; } - -/** - * pci_dev_has_special_msi_domain - Check whether the device is handled by - * a non-standard PCI-MSI domain - * @pdev: The PCI device to check. - * - * Returns: True if the device irqdomain or the bus irqdomain is - * non-standard PCI/MSI. - */ -bool pci_dev_has_special_msi_domain(struct pci_dev *pdev) -{ - struct irq_domain *dom = dev_get_msi_domain(&pdev->dev); - - if (!dom) - dom = dev_get_msi_domain(&pdev->bus->dev); - - if (!dom) - return true; - - return dom->bus_token != DOMAIN_BUS_PCI_MSI; -} diff --git a/include/linux/msi.h b/include/linux/msi.h index b4ab00562a29..b5dda4bf4156 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -617,7 +617,6 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode, struct irq_domain *parent); u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev); struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev); -bool pci_dev_has_special_msi_domain(struct pci_dev *pdev); #else /* CONFIG_PCI_MSI */ static inline struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev) { |