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Date: Wed, 24 Feb 2016 18:12:05 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Bjorn Helgaas <bhelgaas@...gle.com>, David Miller <davem@...emloft.net>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Wei Yang <weiyang@...ux.vnet.ibm.com>, TJ <linux@....tj>, Yijing Wang <wangyijing@...wei.com>, Khalid Aziz <khalid.aziz@...cle.com> Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, Yinghai Lu <yinghai@...nel.org> Subject: [PATCH v10 14/59] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64 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@...nel.org> Tested-by: Khalid Aziz <khalid.aziz@...cle.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 b7b64d2..38db51b 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -742,7 +742,7 @@ 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; -- 1.8.4.5
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