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path: root/drivers/pci/pcie
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Diffstat (limited to 'drivers/pci/pcie')
-rw-r--r--drivers/pci/pcie/aer.c4
-rw-r--r--drivers/pci/pcie/portdrv.c4
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 80c5ba8d8296..34ce9f834d0c 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -231,7 +231,7 @@ int pcie_aer_is_native(struct pci_dev *dev)
return pcie_ports_native || host->native_aer;
}
-EXPORT_SYMBOL_NS_GPL(pcie_aer_is_native, CXL);
+EXPORT_SYMBOL_NS_GPL(pcie_aer_is_native, "CXL");
static int pci_enable_pcie_error_reporting(struct pci_dev *dev)
{
@@ -802,7 +802,7 @@ void pci_print_aer(struct pci_dev *dev, int aer_severity,
trace_aer_event(dev_name(&dev->dev), (status & ~mask),
aer_severity, tlp_header_valid, &aer->header_log);
}
-EXPORT_SYMBOL_NS_GPL(pci_print_aer, CXL);
+EXPORT_SYMBOL_NS_GPL(pci_print_aer, "CXL");
/**
* add_error_device - list device to be handled
diff --git a/drivers/pci/pcie/portdrv.c b/drivers/pci/pcie/portdrv.c
index 5e10306b6308..02e73099bad0 100644
--- a/drivers/pci/pcie/portdrv.c
+++ b/drivers/pci/pcie/portdrv.c
@@ -265,12 +265,14 @@ static int get_port_device_capability(struct pci_dev *dev)
(pcie_ports_dpc_native || (services & PCIE_PORT_SERVICE_AER)))
services |= PCIE_PORT_SERVICE_DPC;
+ /* Enable bandwidth control if more than one speed is supported. */
if (pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM ||
pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) {
u32 linkcap;
pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &linkcap);
- if (linkcap & PCI_EXP_LNKCAP_LBNC)
+ if (linkcap & PCI_EXP_LNKCAP_LBNC &&
+ hweight8(dev->supported_speeds) > 1)
services |= PCIE_PORT_SERVICE_BWCTRL;
}