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authorThomas Gleixner <tglx@linutronix.de>2022-11-25 00:26:07 +0100
committerThomas Gleixner <tglx@linutronix.de>2022-12-05 22:22:33 +0100
commit45c0402457c1ed2f07ee32dc129ae710e0dc288c (patch)
tree8f1dc73922539247343ca2797075af39155c04f0 /drivers/pci
parentb6d5fc3a5245c65f7c83440460a1566d09cc9038 (diff)
downloadlwn-45c0402457c1ed2f07ee32dc129ae710e0dc288c.tar.gz
lwn-45c0402457c1ed2f07ee32dc129ae710e0dc288c.zip
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like VMD which prevents the interrupt remapping code to overwrite device::msi::domain is not longer required and has been replaced by an x86 specific version which is aware of MSI parent domains.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
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/msi/irqdomain.c21
1 files changed, 0 insertions, 21 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;
-}