Messages in this thread Patch in this message | | | From | Yijing Wang <> | Subject | [PATCH 1/7] scsi/bfa: use pcie_capability_xxx to simplify code | Date | Tue, 3 Sep 2013 15:35:09 +0800 |
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Pcie_capability_xxx() interfaces were introudced to simplify code to access PCIe Cap config space. And because PCI core saves the PCIe Cap offset in set_pcie_port_type() when device is enumerated. So we can use pci_is_pcie() instead.
Signed-off-by: Yijing Wang <wangyijing@huawei.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Anil Gurumurthy <agurumur@brocade.com> Cc: Vijaya Mohan Guvva <vmohan@brocade.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: linux-scsi@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/scsi/bfa/bfad.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c index 9611195..d726b81 100644 --- a/drivers/scsi/bfa/bfad.c +++ b/drivers/scsi/bfa/bfad.c @@ -767,7 +767,6 @@ bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) /* Adjust PCIe Maximum Read Request Size */ if (pcie_max_read_reqsz > 0) { - int pcie_cap_reg; u16 pcie_dev_ctl; u16 mask = 0xffff; @@ -794,10 +793,8 @@ bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) break; } - pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); - if (mask != 0xffff && pcie_cap_reg) { - pcie_cap_reg += 0x08; - pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); + if (mask != 0xffff && pci_is_pcie(pdev)) { + pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &pcie_dev_ctl); if ((pcie_dev_ctl & 0x7000) != mask) { printk(KERN_WARNING "BFA[%s]: " "pcie_max_read_request_size is %d, " @@ -806,7 +803,7 @@ bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) pcie_max_read_reqsz); pcie_dev_ctl &= ~0x7000; - pci_write_config_word(pdev, pcie_cap_reg, + pcie_capability_write_word(pdev, PCI_EXP_DEVCTL, pcie_dev_ctl | mask); } } -- 1.7.1
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