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PCI: Use standard PCIe Capability Link register field names 

Use the standard #defines for PCIe Link Status and Capability registers
rather than bare numbers.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
hifive-unleashed-5.1
Bjorn Helgaas 2012-12-05 13:51:18 -07:00
parent 7793eeabc8
commit 231afea189
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/probe.c
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@ -521,7 +521,7 @@ static unsigned char pcie_link_speed[] = {
void pcie_update_link_speed(struct pci_bus *bus, u16 linksta)
{
bus->cur_bus_speed = pcie_link_speed[linksta & 0xf];
bus->cur_bus_speed = pcie_link_speed[linksta & PCI_EXP_LNKSTA_CLS];
}
EXPORT_SYMBOL_GPL(pcie_update_link_speed);
@ -610,7 +610,7 @@ static void pci_set_bus_speed(struct pci_bus *bus)
u16 linksta;
pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
bus->max_bus_speed = pcie_link_speed[linkcap & 0xf];
bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];
pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta);
pcie_update_link_speed(bus, linksta);