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PCI: iproc: Rename PCI_EXP_CAP to IPROC_PCI_EXP_CAP

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PCI_EXP_CAP is an iProc-specific value, so rename it to IPROC_PCI_EXP_CAP
to make it obvious that it's not related to the generic values like
PCI_EXP_RTCTL, etc.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2017-09-05 12:27:11 -05:00
parent b91c26c6a5
commit d8fa9345ef
1 changed files with 9 additions and 10 deletions
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19
drivers/pci/host/pcie-iproc.c
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@ -93,7 +93,7 @@
#define IMAP_VALID_SHIFT 0
#define IMAP_VALID BIT(IMAP_VALID_SHIFT)
#define PCI_EXP_CAP 0xac
#define IPROC_PCI_EXP_CAP 0xac
#define IPROC_PCIE_REG_INVALID 0xffff
@ -528,7 +528,7 @@ static int iproc_pcie_config_read(struct pci_bus *bus, unsigned int devfn,
return ret;
/* Don't advertise CRS SV support */
if ((where & ~0x3) == PCI_EXP_CAP + PCI_EXP_RTCTL)
if ((where & ~0x3) == IPROC_PCI_EXP_CAP + PCI_EXP_RTCTL)
*val &= ~(PCI_EXP_RTCAP_CRSVIS << 16);
return PCIBIOS_SUCCESSFUL;
}
@ -710,7 +710,6 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie)
{
struct device *dev = pcie->dev;
u32 hdr_type, link_ctrl, link_status, class, val;
u16 pos = PCI_EXP_CAP;
bool link_is_active = false;
/*
@ -745,7 +744,7 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie)
4, class);
/* check link status to see if link is active */
iproc_pci_raw_config_read32(pcie, 0, pos + PCI_EXP_LNKSTA,
iproc_pci_raw_config_read32(pcie, 0, IPROC_PCI_EXP_CAP + PCI_EXP_LNKSTA,
2, &link_status);
if (link_status & PCI_EXP_LNKSTA_NLW)
link_is_active = true;
@ -756,20 +755,20 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie)
#define PCI_TARGET_LINK_SPEED_GEN2 0x2
#define PCI_TARGET_LINK_SPEED_GEN1 0x1
iproc_pci_raw_config_read32(pcie, 0,
pos + PCI_EXP_LNKCTL2, 4,
&link_ctrl);
IPROC_PCI_EXP_CAP + PCI_EXP_LNKCTL2,
4, &link_ctrl);
if ((link_ctrl & PCI_TARGET_LINK_SPEED_MASK) ==
PCI_TARGET_LINK_SPEED_GEN2) {
link_ctrl &= ~PCI_TARGET_LINK_SPEED_MASK;
link_ctrl |= PCI_TARGET_LINK_SPEED_GEN1;
iproc_pci_raw_config_write32(pcie, 0,
pos + PCI_EXP_LNKCTL2,
4, link_ctrl);
IPROC_PCI_EXP_CAP + PCI_EXP_LNKCTL2,
4, link_ctrl);
msleep(100);
iproc_pci_raw_config_read32(pcie, 0,
pos + PCI_EXP_LNKSTA,
2, &link_status);
IPROC_PCI_EXP_CAP + PCI_EXP_LNKSTA,
2, &link_status);
if (link_status & PCI_EXP_LNKSTA_NLW)
link_is_active = true;
}