Some properties for PCIe controller are optional and therefore change to use *optional* function.
Signed-off-by: Ryder Lee <[email protected]> --- drivers/pci/host/pcie-mediatek.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c index d256263..91a6328 100644 --- a/drivers/pci/host/pcie-mediatek.c +++ b/drivers/pci/host/pcie-mediatek.c @@ -306,18 +306,15 @@ static int mtk_pcie_parse_ports(struct mtk_pcie *pcie, } snprintf(name, sizeof(name), "pcie-rst%d", index); - port->reset = devm_reset_control_get(dev, name); - if (IS_ERR(port->reset)) { - dev_err(dev, "failed to get port%d reset\n", index); + port->reset = devm_reset_control_get_optional(dev, name); + if (PTR_ERR(port->reset) == -EPROBE_DEFER) return PTR_ERR(port->reset); - } + /* some platforms may use default PHY setting */ snprintf(name, sizeof(name), "pcie-phy%d", index); - port->phy = devm_phy_get(dev, name); - if (IS_ERR(port->phy)) { - dev_err(dev, "failed to get port%d phy\n", index); + port->phy = devm_phy_optional_get(dev, name); + if (IS_ERR(port->phy)) return PTR_ERR(port->phy); - } port->index = index; port->pcie = pcie; @@ -345,8 +342,10 @@ static int mtk_pcie_subsys_powerup(struct mtk_pcie *pcie) pcie->free_ck = devm_clk_get(dev, "free_ck"); if (IS_ERR(pcie->free_ck)) { - dev_err(dev, "failed to get free_ck\n"); - return PTR_ERR(pcie->free_ck); + if (PTR_ERR(pcie->free_ck) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + pcie->free_ck = NULL; } if (dev->pm_domain) { -- 1.9.1
