Re: [PATCH v10 1/3] phy: qcom-edp: add regulator_set_load to edp phy

From: Stephen Boyd
Date: Fri May 20 2022 - 17:12:28 EST


Quoting Kuogee Hsieh (2022-05-20 13:40:55)
> This patch add regulator_set_load() before enable regulator at
> eDP phy driver.
>
> Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
> ---
> drivers/phy/qualcomm/phy-qcom-edp.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> index cacd32f..955466d 100644
> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> @@ -639,6 +639,18 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
> if (ret)
> return ret;
>
> + ret = regulator_set_load(edp->supplies[0].consumer, 21800); /* 1.2 V vdda-phy */
> + if (ret) {
> + dev_err(dev, "failed to set load\n");

Which supply failed to set load?

> + return ret;
> + }
> +
> + ret = regulator_set_load(edp->supplies[1].consumer, 36000); /* 0.9 V vdda-pll */
> + if (ret) {
> + dev_err(dev, "failed to set load\n");

This printk is the same as above. I hope this print never happens or it
will not be useful enough to narrow down the issue.

> + return ret;
> + }