linux-kernel - [PATCH 5/6] devfreq: rk3399_dmc: do not print error when get supply and clk defer.

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Date:   Thu, 19 Apr 2018 12:40:18 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        robh+dt@...nel.org
Cc:     devicetree@...r.kernel.org, heiko@...ech.de,
        linux-pm@...r.kernel.org, dbasehore@...omium.org,
        linux-kernel@...r.kernel.org, dianders@...gle.com,
        groek@...gle.com, kernel@...labora.com,
        Lin Huang <hl@...k-chips.com>,
        Chanwoo Choi <cw00.choi@...sung.com>
Subject: [PATCH 5/6] devfreq: rk3399_dmc: do not print error when get supply and clk defer.

From: Lin Huang <hl@...k-chips.com>

We just return -EPROBE_DEFER error code to caller and do not
print error message when try to get center logic regulator
and DMC clock defer.

Signed-off-by: Lin Huang <hl@...k-chips.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
---

 drivers/devfreq/rk3399_dmc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
index 44a379657cd5..5bfca028eaaf 100644
--- a/drivers/devfreq/rk3399_dmc.c
+++ b/drivers/devfreq/rk3399_dmc.c
@@ -308,12 +308,18 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev)
 
 	data->vdd_center = devm_regulator_get(dev, "center");
 	if (IS_ERR(data->vdd_center)) {
+		if (PTR_ERR(data->vdd_center) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+
 		dev_err(dev, "Cannot get the regulator \"center\"\n");
 		return PTR_ERR(data->vdd_center);
 	}
 
 	data->dmc_clk = devm_clk_get(dev, "dmc_clk");
 	if (IS_ERR(data->dmc_clk)) {
+		if (PTR_ERR(data->dmc_clk) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+
 		dev_err(dev, "Cannot get the clk dmc_clk\n");
 		return PTR_ERR(data->dmc_clk);
 	};
-- 
2.17.0