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[SCSI] qla2xxx: Use standard PCIe Capability Link register field names

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Use the standard #defines for PCIe Link Capability register fields
rather than bare numbers.  This also uses the new PCI Express Capability
accessor rather than reading the capability directly.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Acked-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
This commit is contained in:
Bjorn Helgaas 2013-09-06 11:26:24 -06:00
parent a895c28a1f
commit 62a276f81f
1 changed files with 5 additions and 9 deletions
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14
drivers/scsi/qla2xxx/qla_os.c
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@ -494,18 +494,14 @@ qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
static char *pci_bus_modes[] = { "33", "66", "100", "133", };
struct qla_hw_data *ha = vha->hw;
uint32_t pci_bus;
int pcie_reg;
pcie_reg = pci_pcie_cap(ha->pdev);
if (pcie_reg) {
if (pci_is_pcie(ha->pdev)) {
char lwstr[6];
uint16_t pcie_lstat, lspeed, lwidth;
uint32_t lstat, lspeed, lwidth;
pcie_reg += PCI_EXP_LNKCAP;
pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
lwidth = (pcie_lstat &
(BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
lspeed = lstat & PCI_EXP_LNKCAP_SLS;
lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
strcpy(str, "PCIe (");
switch (lspeed) {