[PATCH 2/8] pci: pcie_dw_rockchip: Use regulator_set_enable_if_allowed
Jonas Karlman
jonas at kwiboo.se
Sat Apr 22 20:19:48 CEST 2023
The vpcie3v3 regulator is typically a fixed regulator controlled using
gpio. Change to use enable and disable calls on the regulator instead
of trying to set a voltage value.
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
drivers/pci/pcie_dw_rockchip.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/pci/pcie_dw_rockchip.c b/drivers/pci/pcie_dw_rockchip.c
index 225af400ba70..a5b900f95981 100644
--- a/drivers/pci/pcie_dw_rockchip.c
+++ b/drivers/pci/pcie_dw_rockchip.c
@@ -288,21 +288,16 @@ static int rockchip_pcie_init_port(struct udevice *dev)
struct rk_pcie *priv = dev_get_priv(dev);
/* Set power and maybe external ref clk input */
- if (priv->vpcie3v3) {
- ret = regulator_set_value(priv->vpcie3v3, 3300000);
- if (ret) {
- dev_err(priv->dw.dev, "failed to enable vpcie3v3 (ret=%d)\n",
- ret);
- return ret;
- }
+ ret = regulator_set_enable_if_allowed(priv->vpcie3v3, true);
+ if (ret && ret != -ENOSYS) {
+ dev_err(dev, "failed to enable vpcie3v3 (ret=%d)\n", ret);
+ return ret;
}
- udelay(MACRO_US * 1000);
-
ret = generic_phy_init(&priv->phy);
if (ret) {
dev_err(dev, "failed to init phy (ret=%d)\n", ret);
- return ret;
+ goto err_disable_regulator;
}
ret = generic_phy_power_on(&priv->phy);
@@ -345,6 +340,8 @@ err_power_off_phy:
generic_phy_power_off(&priv->phy);
err_exit_phy:
generic_phy_exit(&priv->phy);
+err_disable_regulator:
+ regulator_set_enable_if_allowed(priv->vpcie3v3, false);
return ret;
}
--
2.40.0
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