From bdc663765e9722390412c21c80d45e3fc572e4eb Mon Sep 17 00:00:00 2001
From: Etienne Carriere <etienne.carriere@st.com>
Date: Tue, 21 Jan 2020 11:24:05 +0100
Subject: drm/stm: dsi: stm mipi dsi doesn't print error on probe deferral
Git-commit: 1f7b71f20a986295d81d2922bc6f1bbae7e85fbb
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Change DSI driver to not print an error trace when probe
is deferred for a clock resource.
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1579602245-7577-1-git-send-email-yannick.fertre@st.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
index 4b165635b2d4..2e1f2664495d 100644
--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -377,7 +377,9 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
dsi->pllref_clk = devm_clk_get(dev, "ref");
if (IS_ERR(dsi->pllref_clk)) {
ret = PTR_ERR(dsi->pllref_clk);
- DRM_ERROR("Unable to get pll reference clock: %d\n", ret);
+ if (ret != -EPROBE_DEFER)
+ DRM_ERROR("Unable to get pll reference clock: %d\n",
+ ret);
goto err_clk_get;
}
--
2.28.0