linux-kernel - [PATCH] drm/stm: dsi: Avoid printing errors for -EPROBE

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Message-ID: <20200918114624.10759-1-yannick.fertre@st.com>
Date:   Fri, 18 Sep 2020 13:46:24 +0200
From:   Yannick Fertre <yannick.fertre@...com>
To:     Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        Antonio Borneo <antonio.borneo@...com>,
        "Vincent Abriou" <vincent.abriou@...com>,
        David Airlie <airlied@...ux.ie>,
        "Daniel Vetter" <daniel@...ll.ch>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] drm/stm: dsi: Avoid printing errors for -EPROBE_DEFER

Don't print error when probe deferred error is returned.

Signed-off-by: Yannick Fertre <yannick.fertre@...com>
---
 drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 3 ++-
 1 file changed, 2 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 2e1f2664495d..164f79ef6269 100644
--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -419,7 +419,8 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 	dsi->dsi = dw_mipi_dsi_probe(pdev, &dw_mipi_dsi_stm_plat_data);
 	if (IS_ERR(dsi->dsi)) {
 		ret = PTR_ERR(dsi->dsi);
-		DRM_ERROR("Failed to initialize mipi dsi host: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			DRM_ERROR("Failed to initialize mipi dsi host: %d\n", ret);
 		goto err_dsi_probe;
 	}
 
-- 
2.17.1