linux-kernel - [PATCH] drm/panel: rm68200: no error msg if probe deferred

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Message-ID: <1553155535-13555-1-git-send-email-yannick.fertre@st.com>
Date:   Thu, 21 Mar 2019 09:05:35 +0100
From:   Yannick Fertré <yannick.fertre@...com>
To:     Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        Thierry Reding <thierry.reding@...il.com>,
        "David Airlie" <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH] drm/panel: rm68200: no error msg if probe deferred

Do not print an error message if the regulator framework
returns EPROBE_DEFER.

Signed-off-by: Yannick Fertré <yannick.fertre@...com>
---
 drivers/gpu/drm/panel/panel-raydium-rm68200.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
index 7759353..1418682 100644
--- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c
+++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
@@ -383,7 +383,8 @@ static int rm68200_probe(struct mipi_dsi_device *dsi)
 	ctx->supply = devm_regulator_get(dev, "power");
 	if (IS_ERR(ctx->supply)) {
 		ret = PTR_ERR(ctx->supply);
-		dev_err(dev, "cannot get regulator: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "cannot get regulator: %d\n", ret);
 		return ret;
 	}
 
-- 
2.7.4