linux-kernel - [PATCH 1/2] phy: qcom-qmp: Quiet -EPROBE_DEFER from qcom_qmp_phy

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Date:   Mon, 14 May 2018 15:42:21 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     kishon@...com
Cc:     Douglas Anderson <dianders@...omium.org>,
        linux-kernel@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>,
        Manu Gautam <mgautam@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Varadarajan Narayanan <varada@...eaurora.org>
Subject: [PATCH 1/2] phy: qcom-qmp: Quiet -EPROBE_DEFER from qcom_qmp_phy_probe()

The -EPROBE_DEFER virus demands special case code to avoid printing
error messages when the error is only -EPROBE_DEFER.  Spread the virus
to a new host: qcom_qmp_phy_probe().  Specifically handle when our
regulators might not be ready yet.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 drivers/phy/qualcomm/phy-qcom-qmp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 6470c5d61d1c..a740daa58b31 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -1447,7 +1447,9 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
 
 	ret = qcom_qmp_phy_vreg_init(dev);
 	if (ret) {
-		dev_err(dev, "failed to get regulator supplies\n");
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "failed to get regulator supplies: %d\n",
+				ret);
 		return ret;
 	}
 
-- 
2.17.0.441.gb46fe60e1d-goog