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[SCSI] qla4xxx: Use PCI Express Capability accessors

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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>
This commit is contained in:
Jiang Liu 2012-08-20 14:25:06 -06:00 committed by Bjorn Helgaas
parent 1009243884
commit 5548bfd0ee
1 changed files with 1 additions and 3 deletions
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4
drivers/scsi/qla4xxx/ql4_nx.c
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@ -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 */