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Diffstat (limited to 'arch/sparc/kernel/pci.c')
-rw-r--r--arch/sparc/kernel/pci.c7
1 files changed, 7 insertions, 0 deletions
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;