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From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: [PATCH v1] drm/tegra: Use dev_err_probe()
Date: Sun, 14 Mar 2021 23:43:11 +0300	[thread overview]
Message-ID: <20210314204311.10572-1-digetx@gmail.com> (raw)

Use generic dev_err_probe() helper which silences noisy error messages
about deferred probe of the Tegra DRM drivers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/gpu/drm/tegra/dc.c   | 13 +++----------
 drivers/gpu/drm/tegra/hdmi.c | 34 +++++++++-------------------------
 2 files changed, 12 insertions(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 0ae3a025efe9..ff7968200d4e 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -2589,16 +2589,9 @@ static int tegra_dc_probe(struct platform_device *pdev)
 		return -ENXIO;
 
 	err = tegra_dc_rgb_probe(dc);
-	if (err < 0 && err != -ENODEV) {
-		const char *level = KERN_ERR;
-
-		if (err == -EPROBE_DEFER)
-			level = KERN_DEBUG;
-
-		dev_printk(level, dc->dev, "failed to probe RGB output: %d\n",
-			   err);
-		return err;
-	}
+	if (err < 0 && err != -ENODEV)
+		return dev_err_probe(&pdev->dev, err,
+				     "failed to probe RGB output\n");
 
 	platform_set_drvdata(pdev, dc);
 	pm_runtime_enable(&pdev->dev);
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index e5d2a4026028..f5abb73d20ad 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -1635,7 +1635,6 @@ static irqreturn_t tegra_hdmi_irq(int irq, void *data)
 
 static int tegra_hdmi_probe(struct platform_device *pdev)
 {
-	const char *level = KERN_ERR;
 	struct tegra_hdmi *hdmi;
 	struct resource *regs;
 	int err;
@@ -1675,36 +1674,21 @@ static int tegra_hdmi_probe(struct platform_device *pdev)
 
 	hdmi->hdmi = devm_regulator_get(&pdev->dev, "hdmi");
 	err = PTR_ERR_OR_ZERO(hdmi->hdmi);
-	if (err) {
-		if (err == -EPROBE_DEFER)
-			level = KERN_DEBUG;
-
-		dev_printk(level, &pdev->dev,
-			   "failed to get HDMI regulator: %d\n", err);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err,
+				     "failed to get HDMI regulator\n");
 
 	hdmi->pll = devm_regulator_get(&pdev->dev, "pll");
 	err = PTR_ERR_OR_ZERO(hdmi->pll);
-	if (err) {
-		if (err == -EPROBE_DEFER)
-			level = KERN_DEBUG;
-
-		dev_printk(level, &pdev->dev,
-			   "failed to get PLL regulator: %d\n", err);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err,
+				     "failed to get PLL regulator\n");
 
 	hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd");
 	err = PTR_ERR_OR_ZERO(hdmi->vdd);
-	if (err) {
-		if (err == -EPROBE_DEFER)
-			level = KERN_DEBUG;
-
-		dev_printk(level, &pdev->dev,
-			   "failed to get VDD regulator: %d\n", err);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err,
+				     "failed to get VDD regulator\n");
 
 	hdmi->output.dev = &pdev->dev;
 
-- 
2.30.2

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             reply	other threads:[~2021-03-14 20:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-14 20:43 Dmitry Osipenko [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-02-07 21:29 [PATCH v1] drm/tegra: Use dev_err_probe() Dmitry Osipenko
2022-02-24 16:03 ` Thierry Reding

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