>> @@ -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)) {
>
> Please move the pci_is_pcie() test up to the
> "if (pcie_mas_read_reqsz ..." statement. There's no point in doing
> the switch statement if this isn't a PCIe device.
Right, will update.
>
>> + 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);
>
> Please rework this to use pcie_set_readrq() instead of writing
> the capability directly. If we write the capability directly, we
> risk writing a value that is incompatible with the MPS
> configuration done by the PCI core.
Ah, this code is Long-winded, use pcie_set_readrq()/pcie_get_readrq() can
simplify
this code much.
Thanks!
Yijing.
>
>> }
>> }
>> --
>> 1.7.1
>>
>>
>
> .
>
--
Thanks!
Yijing
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