diff options
Diffstat (limited to 'drivers/pci/pci-rcar-gen4.c')
| -rw-r--r-- | drivers/pci/pci-rcar-gen4.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/pci-rcar-gen4.c b/drivers/pci/pci-rcar-gen4.c index 41f0d958447..1f41ce28b0b 100644 --- a/drivers/pci/pci-rcar-gen4.c +++ b/drivers/pci/pci-rcar-gen4.c @@ -243,7 +243,7 @@ static int rcar_gen4_pcie_ltssm_control(struct rcar_gen4_pcie *rcar, bool enable clrbits_le32(rcar->app_base + PCIERSTCTRL1, APP_HOLD_PHY_RST); - ret = readl_poll_timeout(rcar->phy_base + 0x0f8, val, !(val & BIT(18)), 10000); + ret = readl_poll_timeout(rcar->phy_base + 0x0f8, val, val & BIT(18), 10000); if (ret < 0) return ret; @@ -306,6 +306,8 @@ static int rcar_gen4_pcie_common_init(struct rcar_gen4_pcie *rcar) if (ret) goto err_unprepare; + mdelay(1); + setbits_le32(rcar->app_base + PCIEMSR0, DEVICE_TYPE_RC | ((rcar->num_lanes < 4) ? BIFUR_MOD_SET_ON : 0)); @@ -314,6 +316,9 @@ static int rcar_gen4_pcie_common_init(struct rcar_gen4_pcie *rcar) if (ret) goto err_unprepare; + reset_status(&rcar->pwr_rst); + mdelay(1); + rcar_gen4_pcie_additional_common_init(rcar); return 0; |