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drm/exynos/hdmi: Don't print error on deferral due to regulators 

The regulators may not be available just because their driver's probe
function was just not executed and so the regulators not registered.

So, in this case the Exynos HDMI driver should not print logs since
a -EPROBE_DEFER is not really an error and that will just pollute
the kernel log and confuse users.

This patch prevents the following misleading messages to be printed:

[    1.443638] [drm:hdmi_probe] *ERROR* failed to get regulators
[    1.449326] [drm:hdmi_probe] *ERROR* hdmi_resources_init failed

Reported-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Javier Martinez Canillas 2016-04-21 14:51:38 -04:00 committed by Inki Dae
parent 55b19fc75f
commit b85881ddf2
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/exynos/exynos_hdmi.c
View File

@ -1683,7 +1683,8 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
}
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
if (ret) {
DRM_ERROR("failed to get regulators\n");
if (ret != -EPROBE_DEFER)
DRM_ERROR("failed to get regulators\n");
return ret;
}
@ -1806,7 +1807,8 @@ static int hdmi_probe(struct platform_device *pdev)
ret = hdmi_resources_init(hdata);
if (ret) {
DRM_ERROR("hdmi_resources_init failed\n");
if (ret != -EPROBE_DEFER)
DRM_ERROR("hdmi_resources_init failed\n");
return ret;
}