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authorPratyush Anand <pratyush.anand@gmail.com>2016-07-04 18:14:42 +0200
committerBjorn Helgaas <bhelgaas@google.com>2016-08-22 19:34:43 +0200
commitfe48cb8538421fbd16ecf8bf95829faf8d8c001e (patch)
treee38cfb7e754dc352e03785dab0c33ab793c6c5f3 /drivers/pci/host/pcie-designware.h
parentPCI: designware: Check LTSSM training bit before deciding link is up (diff)
downloadlinux-fe48cb8538421fbd16ecf8bf95829faf8d8c001e.tar.xz
linux-fe48cb8538421fbd16ecf8bf95829faf8d8c001e.zip
PCI: designware: Keep viewport fixed for IO transaction if num_viewport > 2
Most of the platforms have 3 or more viewports. For such platforms, We do not need to share viewports between IO and CFG. Assign viewport 2 to IO transactions in such cases. Tested-by: Dong Bo <dongbo4@huawei.com> Signed-off-by: Pratyush Anand <pratyush.anand@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/pci/host/pcie-designware.h')
-rw-r--r--drivers/pci/host/pcie-designware.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h
index e74cc4a93fb9..c8e5bc647f49 100644
--- a/drivers/pci/host/pcie-designware.h
+++ b/drivers/pci/host/pcie-designware.h
@@ -44,6 +44,7 @@ struct pcie_port {
struct resource *busn;
int irq;
u32 lanes;
+ u32 num_viewport;
struct pcie_host_ops *ops;
int msi_irq;
struct irq_domain *irq_domain;