ping? On 2013/4/2 9:52, Yijing Wang wrote: > Currently, we use pcie_flags_reg to cache PCI-E Capabilities Register, > because PCI-E Capabilities Register bits are almost read-only. This patch > use pcie_caps_reg() instead of another access PCI-E Capabilities Register. > > Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx> > --- > drivers/vfio/pci/vfio_pci_config.c | 6 +----- > 1 files changed, 1 insertions(+), 5 deletions(-) > > diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c > index aeb00fc..12a81f7 100644 > --- a/drivers/vfio/pci/vfio_pci_config.c > +++ b/drivers/vfio/pci/vfio_pci_config.c > @@ -1017,13 +1017,9 @@ static int vfio_cap_len(struct vfio_pci_device *vdev, u8 cap, u8 pos) > return byte; > case PCI_CAP_ID_EXP: > /* length based on version */ > - ret = pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, &word); > - if (ret) > - return pcibios_err_to_errno(ret); > - > vdev->extended_caps = true; > > - if ((word & PCI_EXP_FLAGS_VERS) == 1) > + if ((pcie_caps_reg(pdev) & PCI_EXP_FLAGS_VERS) == 1) > return PCI_CAP_EXP_ENDPOINT_SIZEOF_V1; > else > return PCI_CAP_EXP_ENDPOINT_SIZEOF_V2; > -- Thanks! Yijing -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
