Hi Nilay, On 2/20/26 15:02, Nilay Shroff wrote:
> Hi, > > Recent changes [1] which replaced pci_dev::no_64bit_msi with pci_dev:: > msi_addr_mask inadvertently missed to initialize the pci_dev::msi_addr_mask > to the DMA_BIT_MASK(64) on powerpc platform. Due to this, later the > validation the programmed MSI address against the msi_addr_mask fails. > This causes pci device probe method failures on powerpc platform. We also > realized that similar issue could potentially happen on sparc system as > well. So this series initializes pci_dev::msi_addr_mask to DMA_BIT_MASK(64) > when pci_dev is instantiated for both powerpc and sparc platforms. > > The first patch in the series fixes this on powerpc platform. The second > patch fixes this issue on sparc platform. Please note that as I don't have > access to the sparc platform, this patch was only compile tested on the > sparc system. Anyone from the community is welcome to test it who has > access to the sparc machine. > > [1] > https://lore.kernel.org/all/[email protected]/ > > Changes since v1: > - Initialize the pci_dev:msi_addr_mask on sparc platform (Vivian Wang) > - Some minor cosmetic fixes (Bjorn Helgaas) > > Nilay Shroff (2): > powerpc/pci: Initialize msi_addr_mask for OF-created PCI devices > sparc/pci: Initialize msi_addr_mask for OF-created PCI devices > > arch/powerpc/kernel/pci_of_scan.c | 7 +++++++ > arch/sparc/kernel/pci.c | 7 +++++++ > 2 files changed, 14 insertions(+) This series is: Reviewed-by: Vivian Wang <[email protected]> With the caveat that I have neither powerpc nor sparc machines to test, so it really is only reviewed. Thanks and with apologies, Vivian "dramforever" Wang
