On Sat 06 Jul 04:11 PDT 2019, Brian Masney wrote:
> The following errors show up when booting the Nexus 5:
>
> msm_dsi_phy fd922a00.dsi-phy: [drm:dsi_phy_driver_probe] *ERROR*
> dsi_phy_regulator_init: failed to init regulator, ret=-517
> msm_dsi_phy fd922a00.dsi-phy: [drm:dsi_phy_driver_probe] *ERROR*
> dsi_phy_driver_probe: failed to init regulator
>
> dsi_phy_regulator_init() already logs the error, so no need to log
> the same error a second time in dsi_phy_driver_probe(). This patch
> also changes dsi_phy_regulator_init() to not log the error if the
> error code is -EPROBE_DEFER to reduce noise in dmesg.
>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> index 4097eca1b3ef..d0e1cc6728dc 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> @@ -396,8 +396,11 @@ static int dsi_phy_regulator_init(struct msm_dsi_phy *phy)
>
> ret = devm_regulator_bulk_get(dev, num, s);
> if (ret < 0) {
> - DRM_DEV_ERROR(dev, "%s: failed to init regulator, ret=%d\n",
> - __func__, ret);
> + if (ret != -EPROBE_DEFER)
> + DRM_DEV_ERROR(dev,
> + "%s: failed to init regulator, ret=%d\n",
> + __func__, ret);
Some {} wouldn't hurt here, but not a big deal.
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> +
> return ret;
> }
>
> @@ -584,10 +587,8 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
> }
>
> ret = dsi_phy_regulator_init(phy);
> - if (ret) {
> - DRM_DEV_ERROR(dev, "%s: failed to init regulator\n", __func__);
> + if (ret)
> goto fail;
> - }
>
> phy->ahb_clk = msm_clk_get(pdev, "iface");
> if (IS_ERR(phy->ahb_clk)) {
> --
> 2.20.1
>
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