On 2023-08-02 at 16:07:26 +0800, Xiongfeng Wang wrote:
> PCI core add pci_find_vsec_capability() to query VSEC. We can use that
> core API to simplify the code.
>
> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx>
Acked-by: Xu Yilun <yilun.xu@xxxxxxxxx>
Applied to for-next.
Thanks.
> ---
> drivers/fpga/dfl-pci.c | 15 ++++-----------
> 1 file changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c
> index 1bc04378118c..98b8fd16183e 100644
> --- a/drivers/fpga/dfl-pci.c
> +++ b/drivers/fpga/dfl-pci.c
> @@ -156,19 +156,12 @@ static int *cci_pci_create_irq_table(struct pci_dev *pcidev, unsigned int nvec)
>
> static int find_dfls_by_vsec(struct pci_dev *pcidev, struct dfl_fpga_enum_info *info)
> {
> - u32 bir, offset, vndr_hdr, dfl_cnt, dfl_res;
> - int dfl_res_off, i, bars, voff = 0;
> + u32 bir, offset, dfl_cnt, dfl_res;
> + int dfl_res_off, i, bars, voff;
> resource_size_t start, len;
>
> - while ((voff = pci_find_next_ext_capability(pcidev, voff, PCI_EXT_CAP_ID_VNDR))) {
> - vndr_hdr = 0;
> - pci_read_config_dword(pcidev, voff + PCI_VNDR_HEADER, &vndr_hdr);
> -
> - if (PCI_VNDR_HEADER_ID(vndr_hdr) == PCI_VSEC_ID_INTEL_DFLS &&
> - pcidev->vendor == PCI_VENDOR_ID_INTEL)
> - break;
> - }
> -
> + voff = pci_find_vsec_capability(pcidev, PCI_VENDOR_ID_INTEL,
> + PCI_VSEC_ID_INTEL_DFLS);
> if (!voff) {
> dev_dbg(&pcidev->dev, "%s no DFL VSEC found\n", __func__);
> return -ENODEV;
> --
> 2.20.1
>
