diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-06 13:37:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-06 13:37:52 -0800 |
| commit | 325a118c12045239076b7ea9e66391dd6f56f72e (patch) | |
| tree | fb8f892575546535f6c1fd27c9a2e0b9d2dbf2bf /arch | |
| parent | dfb31428444b00824b161d8c0741d4868552813a (diff) | |
| parent | 9f2c7349b2810c671badfc1adc804f711a83e420 (diff) | |
| download | linux-next-325a118c12045239076b7ea9e66391dd6f56f72e.tar.gz linux-next-325a118c12045239076b7ea9e66391dd6f56f72e.zip | |
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
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/pci_of_scan.c | 7 | ||||
| -rw-r--r-- | arch/sparc/kernel/pci.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 756043dd06e9..fb9fbf0d1796 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -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); diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 7e41574634b3..1603d50fdcad 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -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; |