From 1f358bc6f272b9846dda4c1a9ab05aa1afa06954 Mon Sep 17 00:00:00 2001
From: Fabien Dessenne <fabien.dessenne@st.com>
Date: Wed, 24 Apr 2019 16:03:21 +0200
Subject: [PATCH] drm/stm: ltdc: return appropriate error code during probe
During probe, return the "clk_get" error value instead of -ENODEV.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1556114601-30936-3-git-send-email-fabien.dessenne@st.com
---
drivers/gpu/drm/stm/ltdc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 521ba83545db5..97912e2c663d4 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -1145,8 +1145,9 @@ int ltdc_load(struct drm_device *ddev)
ldev->pixel_clk = devm_clk_get(dev, "lcd");
if (IS_ERR(ldev->pixel_clk)) {
- DRM_ERROR("Unable to get lcd clock\n");
- return -ENODEV;
+ if (PTR_ERR(ldev->pixel_clk) != -EPROBE_DEFER)
+ DRM_ERROR("Unable to get lcd clock\n");
+ return PTR_ERR(ldev->pixel_clk);
}
if (clk_prepare_enable(ldev->pixel_clk)) {
--
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