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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-04 14:22:57 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-06 09:25:41 +1000
commita0b8e76facbb1f12e4b43a2b7b88bd5d18a3faf5 (patch)
tree1edfccd2c565c1e9ad91554745c4521268d51656 /arch
parent4ea9008b75cdd6781207b73f4c01b6a877a0bb60 (diff)
downloadop-kernel-dev-a0b8e76facbb1f12e4b43a2b7b88bd5d18a3faf5.zip
op-kernel-dev-a0b8e76facbb1f12e4b43a2b7b88bd5d18a3faf5.tar.gz
powerpc/pci: Don't add bogus empty resources to PHBs
When converting to use the new pci_add_resource_offset() we didn't properly account for empty resources (0 flags) and add those bogons to the PHBs. The result is some annoying messages in the log. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/pci-common.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index d5811d8..cf00588 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1540,12 +1540,16 @@ static void pcibios_setup_phb_resources(struct pci_controller *hose,
res->flags = IORESOURCE_IO;
#endif /* CONFIG_PPC32 */
}
+ if (res->flags) {
+ pr_debug("PCI: PHB IO resource = %016llx-%016llx [%lx]\n",
+ (unsigned long long)res->start,
+ (unsigned long long)res->end,
+ (unsigned long)res->flags);
+ pci_add_resource_offset(resources, res, pcibios_io_space_offset(hose));
- pr_debug("PCI: PHB IO resource = %016llx-%016llx [%lx]\n",
- (unsigned long long)res->start,
- (unsigned long long)res->end,
- (unsigned long)res->flags);
- pci_add_resource_offset(resources, res, pcibios_io_space_offset(hose));
+ pr_debug("PCI: PHB IO offset = %08lx\n",
+ (unsigned long)hose->io_base_virt - _IO_BASE);
+ }
/* Hookup PHB Memory resources */
for (i = 0; i < 3; ++i) {
@@ -1563,19 +1567,17 @@ static void pcibios_setup_phb_resources(struct pci_controller *hose,
res->flags = IORESOURCE_MEM;
#endif /* CONFIG_PPC32 */
}
-
- pr_debug("PCI: PHB MEM resource %d = %016llx-%016llx [%lx]\n", i,
- (unsigned long long)res->start,
- (unsigned long long)res->end,
- (unsigned long)res->flags);
- pci_add_resource_offset(resources, res, hose->pci_mem_offset);
+ if (res->flags) {
+ pr_debug("PCI: PHB MEM resource %d = %016llx-%016llx [%lx]\n", i,
+ (unsigned long long)res->start,
+ (unsigned long long)res->end,
+ (unsigned long)res->flags);
+ pci_add_resource_offset(resources, res, hose->pci_mem_offset);
+ }
}
pr_debug("PCI: PHB MEM offset = %016llx\n",
(unsigned long long)hose->pci_mem_offset);
- pr_debug("PCI: PHB IO offset = %08lx\n",
- (unsigned long)hose->io_base_virt - _IO_BASE);
-
}
/*
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