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Groups > linux.kernel > #1627957
| From | Yinghai Lu <yinghai@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 12/13] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64 |
| Date | 2017-04-21 07:10 +0200 |
| Message-ID | <tyyZs-1MT-11@gated-at.bofh.it> (permalink) |
| References | <tyyZr-1MT-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
If host bridge does not have mmio64 above 4G, We don't need to
treat device non-pref mmio64 as as pref mmio64.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Tested-by: Khalid Aziz <khalid.aziz@oracle.com>
---
drivers/pci/setup-bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index b3fd314..7a0e59b 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -738,7 +738,7 @@ int pci_claim_bridge_resource(struct pci_dev *bridge, int i)
static bool pci_up_path_over_pref_mem64(struct pci_bus *bus)
{
if (pci_is_root_bus(bus))
- return true;
+ return to_pci_host_bridge(bus->bridge)->has_mem64;
if (bus->self) {
int i;
--
2.9.3
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[PATCH 00/13] PCI: sparc related 64bit resource fixup Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 11/13] PCI: Add has_mem64 for struct host_bridge Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 12/13] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64 Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 05/13] sparc/PCI: Keep resource idx order with bridge register number Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 09/13] PCI: Check pref compatible bit for mem64 resource of PCIe device Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 06/13] powerpc/PCI: Keep resource idx order with bridge register number Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 07/13] powerpc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 02/13] PCI: Add pci_find_bus_resource() Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 10/13] PCI: Only treat non-pref mmio64 as pref if all bridges have MEM_64 Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 01/13] sparc/PCI: Use correct offset for bus address to resource Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 03/13] sparc/PCI: Reserve legacy mmio after PCI mmio Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200 [PATCH 13/13] PCI: Restore pref MMIO allocation logic for host bridge without mmio64 Yinghai Lu <yinghai@kernel.org> - 2017-04-21 07:10 +0200
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