diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-kirin.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-kirin.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c index ba03dbca7885..675b4d8392d3 100644 --- a/drivers/pci/controller/dwc/pcie-kirin.c +++ b/drivers/pci/controller/dwc/pcie-kirin.c @@ -390,32 +390,14 @@ static int kirin_pcie_link_up(struct dw_pcie *pci) return 0; } -static int kirin_pcie_establish_link(struct pcie_port *pp) +static int kirin_pcie_start_link(struct dw_pcie *pci) { - struct dw_pcie *pci = to_dw_pcie_from_pp(pp); struct kirin_pcie *kirin_pcie = to_kirin_pcie(pci); - struct device *dev = kirin_pcie->pci->dev; - int count = 0; - - if (kirin_pcie_link_up(pci)) - return 0; - - dw_pcie_setup_rc(pp); /* assert LTSSM enable */ kirin_apb_ctrl_writel(kirin_pcie, PCIE_LTSSM_ENABLE_BIT, PCIE_APP_LTSSM_ENABLE); - /* check if the link is up or not */ - while (!kirin_pcie_link_up(pci)) { - usleep_range(LINK_WAIT_MIN, LINK_WAIT_MAX); - count++; - if (count == 1000) { - dev_err(dev, "Link Fail\n"); - return -EINVAL; - } - } - return 0; } @@ -423,7 +405,7 @@ static int kirin_pcie_host_init(struct pcie_port *pp) { pp->bridge->ops = &kirin_pci_ops; - kirin_pcie_establish_link(pp); + dw_pcie_setup_rc(pp); dw_pcie_msi_init(pp); return 0; @@ -433,6 +415,7 @@ static const struct dw_pcie_ops kirin_dw_pcie_ops = { .read_dbi = kirin_pcie_read_dbi, .write_dbi = kirin_pcie_write_dbi, .link_up = kirin_pcie_link_up, + .start_link = kirin_pcie_start_link, }; static const struct dw_pcie_host_ops kirin_pcie_host_ops = { |