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

BugLink: https://bugs.launchpad.net/bugs/1869061
[ 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>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 6926cee91b367963ba1571e33efc659093fa6bb6..2767408c4750e64819a0ec00c7601d7aaccf255e 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1750,8 +1750,9 @@ 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_kcalloc(dev,