[PATCH] drm/stm: dsi: stm mipi dsi doesn't print error on probe deferral

From: Yannick Fertre
Date: Tue Jan 21 2020 - 05:24:22 EST


From: Etienne Carriere <etienne.carriere@xxxxxx>

Change DSI driver to not print an error trace when probe
is deferred for a clock resource.

Signed-off-by: Etienne Carriere <etienne.carriere@xxxxxx>
---
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 4b16563..2e1f266 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;
}

--
2.7.4