From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 27 Feb 2020 07:06:37 +0000 (+0100)
Subject: drm/exynos: dsi: propagate error value and silence meaningless warning
X-Git-Tag: v4.9.218~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db5cffa22a5f7826957d7531250ddb548ad361e9;p=thirdparty%2Fkernel%2Fstable.git

drm/exynos: dsi: propagate error value and silence meaningless warning

[ Upstream commit 0a9d1e3f3f038785ebc72d53f1c409d07f6b4ff5 ]

Properly propagate error value from devm_regulator_bulk_get() and don't
confuse user with meaningless warning about failure in getting regulators
in case of deferred probe.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e07cb1fe48604..5e202af7fbf53 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1775,8 +1775,9 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies),
 				      dsi->supplies);
 	if (ret) {
-		dev_info(dev, "failed to get regulators: %d\n", ret);
-		return -EPROBE_DEFER;
+		if (ret != -EPROBE_DEFER)
+			dev_info(dev, "failed to get regulators: %d\n", ret);
+		return ret;
 	}
 
 	dsi->clks = devm_kzalloc(dev,