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pci-v7.0-fixes-3

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Merge tag 'pci-v7.0-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fixes from Bjorn Helgaas:

 - Initialize msi_addr_mask for OF-created PCI devices to fix sparc and
   powerpc probe regressions (Nilay Shroff)

 - Orphan the Altera PCIe controller driver (Dave Hansen)

* tag 'pci-v7.0-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  MAINTAINERS: Orphan Altera PCIe controller driver
  sparc/PCI: Initialize msi_addr_mask for OF-created PCI devices
  powerpc/pci: Initialize msi_addr_mask for OF-created PCI devices
This commit is contained in:
Linus Torvalds 2026-03-06 13:37:52 -08:00
commit 325a118c12
3 changed files with 16 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

6
MAINTAINERS
View file

@ -20108,9 +20108,8 @@ F: Documentation/devicetree/bindings/pci/marvell,armada-3700-pcie.yaml
F: drivers/pci/controller/pci-aardvark.c
PCI DRIVER FOR ALTERA PCIE IP
M: Joyce Ooi <joyce.ooi@intel.com>
L: linux-pci@vger.kernel.org
S: Supported
S: Orphan
F: Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
F: drivers/pci/controller/pcie-altera.c
@ -20355,9 +20354,8 @@ S: Supported
F: Documentation/PCI/pci-error-recovery.rst
PCI MSI DRIVER FOR ALTERA MSI IP
M: Joyce Ooi <joyce.ooi@intel.com>
L: linux-pci@vger.kernel.org
S: Supported
S: Orphan
F: Documentation/devicetree/bindings/interrupt-controller/altr,msi-controller.yaml
F: drivers/pci/controller/pcie-altera-msi.c

7
arch/powerpc/kernel/pci_of_scan.c
View file

@ -212,6 +212,13 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
dev->error_state = pci_channel_io_normal;
dev->dma_mask = 0xffffffff;
/*
* Assume 64-bit addresses for MSI initially. Will be changed to 32-bit
* if MSI (rather than MSI-X) capability does not have
* PCI_MSI_FLAGS_64BIT. Can also be overridden by driver.
*/
dev->msi_addr_mask = DMA_BIT_MASK(64);
/* Early fixups, before probing the BARs */
pci_fixup_device(pci_fixup_early, dev);

7
arch/sparc/kernel/pci.c
View file

@ -355,6 +355,13 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
dev->error_state = pci_channel_io_normal;
dev->dma_mask = 0xffffffff;
/*
* Assume 64-bit addresses for MSI initially. Will be changed to 32-bit
* if MSI (rather than MSI-X) capability does not have
* PCI_MSI_FLAGS_64BIT. Can also be overridden by driver.
*/
dev->msi_addr_mask = DMA_BIT_MASK(64);
if (of_node_name_eq(node, "pci")) {
/* a PCI-PCI bridge */
dev->hdr_type = PCI_HEADER_TYPE_BRIDGE;