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From:   Marek Szyprowski <m.szyprowski@samsung.com>
To:     dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc:     Marek Szyprowski <m.szyprowski@samsung.com>,
        Rob Herring <robh@kernel.org>,
        Tomeu Vizoso <tomeu.vizoso@collabora.com>,
        Steven Price <steven.price@arm.com>,
        Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>,
        Daniel Vetter <daniel@ffwll.ch>
Subject: [PATCH v2] drm: panfrost: Silence warnings during deferred probe
Date:   Fri, 28 Feb 2020 10:40:26 +0100
Message-Id: <20200228094026.26983-1-m.szyprowski@samsung.com>
Content-Type: text/plain; charset="utf-8"
CMS-TYPE: 201P
References: <CGME20200228094033eucas1p2fa2f6cea3b882e758992d97da2fc50ed@eucas1p2.samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
v2:
- fixed build warning
---
 drivers/gpu/drm/panfrost/panfrost_device.c | 26 +++++++++++++++-------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
index 238fb6d54df4..2c4ada3041b1 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -21,7 +21,9 @@ static int panfrost_reset_init(struct panfrost_device *pfdev)
 
 	pfdev->rstc = devm_reset_control_array_get(pfdev->dev, false, true);
 	if (IS_ERR(pfdev->rstc)) {
-		dev_err(pfdev->dev, "get reset failed %ld\n", PTR_ERR(pfdev->rstc));
+		if (PTR_ERR(pfdev->rstc) != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "get reset failed %ld\n",
+				PTR_ERR(pfdev->rstc));
 		return PTR_ERR(pfdev->rstc);
 	}
 
@@ -44,7 +46,9 @@ static int panfrost_clk_init(struct panfrost_device *pfdev)
 
 	pfdev->clock = devm_clk_get(pfdev->dev, NULL);
 	if (IS_ERR(pfdev->clock)) {
-		dev_err(pfdev->dev, "get clock failed %ld\n", PTR_ERR(pfdev->clock));
+		if (PTR_ERR(pfdev->clock) != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "get clock failed %ld\n",
+				PTR_ERR(pfdev->clock));
 		return PTR_ERR(pfdev->clock);
 	}
 
@@ -57,8 +61,9 @@ static int panfrost_clk_init(struct panfrost_device *pfdev)
 
 	pfdev->bus_clock = devm_clk_get_optional(pfdev->dev, "bus");
 	if (IS_ERR(pfdev->bus_clock)) {
-		dev_err(pfdev->dev, "get bus_clock failed %ld\n",
-			PTR_ERR(pfdev->bus_clock));
+		if (PTR_ERR(pfdev->bus_clock) != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "get bus_clock failed %ld\n",
+				PTR_ERR(pfdev->bus_clock));
 		return PTR_ERR(pfdev->bus_clock);
 	}
 
@@ -92,7 +97,9 @@ static int panfrost_regulator_init(struct panfrost_device *pfdev)
 	pfdev->regulator = devm_regulator_get(pfdev->dev, "mali");
 	if (IS_ERR(pfdev->regulator)) {
 		ret = PTR_ERR(pfdev->regulator);
-		dev_err(pfdev->dev, "failed to get regulator: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "failed to get regulator: %d\n",
+				ret);
 		return ret;
 	}
 
@@ -124,19 +131,22 @@ int panfrost_device_init(struct panfrost_device *pfdev)
 
 	err = panfrost_clk_init(pfdev);
 	if (err) {
-		dev_err(pfdev->dev, "clk init failed %d\n", err);
+		if (err != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "clk init failed %d\n", err);
 		return err;
 	}
 
 	err = panfrost_regulator_init(pfdev);
 	if (err) {
-		dev_err(pfdev->dev, "regulator init failed %d\n", err);
+		if (err != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "regulator init failed %d\n", err);
 		goto err_out0;
 	}
 
 	err = panfrost_reset_init(pfdev);
 	if (err) {
-		dev_err(pfdev->dev, "reset init failed %d\n", err);
+		if (err != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "reset init failed %d\n", err);
 		goto err_out1;
 	}
 
-- 
2.17.1