[SCSI] qla4xxx: Use PCI Express Capability accessors

Use PCI Express Capability access functions to simplify qla2xxx driver.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 9ce3a8f..7cfdf2b 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -1615,13 +1615,11 @@ qla82xx_get_fw_offs(struct qla_hw_data *ha)
 char *
 qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 {
-       int pcie_reg;
        struct qla_hw_data *ha = vha->hw;
        char lwstr[6];
        uint16_t lnk;
 
-       pcie_reg = pci_pcie_cap(ha->pdev);
-       pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk);
+       pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk);
        ha->link_width = (lnk >> 4) & 0x3f;
 
        strcpy(str, "PCIe (");
@@ -2497,7 +2495,6 @@ fw_load_failed:
 int
 qla82xx_start_firmware(scsi_qla_host_t *vha)
 {
-       int           pcie_cap;
        uint16_t      lnk;
        struct qla_hw_data *ha = vha->hw;
 
@@ -2528,8 +2525,7 @@ qla82xx_start_firmware(scsi_qla_host_t *vha)
        }
 
        /* Negotiated Link width */
-       pcie_cap = pci_pcie_cap(ha->pdev);
-       pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
+       pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk);
        ha->link_width = (lnk >> 4) & 0x3f;
 
        /* Synchronize with Receive peg */