[SCSI] qla4xxx: Use PCI Express Capability accessors

Use PCI Express Capability access functions to simplify qla4xxx driver.

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

diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 939d726..807bf76 100644 (file)
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -1566,7 +1566,6 @@ qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha)
 static int
 qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
 {
-       int pcie_cap;
        uint16_t lnk;
 
        /* scrub dma mask expansion register */
@@ -1590,8 +1589,7 @@ qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
        }
 
        /* 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 */