linux-kernel - [PATCH 08/26] drm/rockchip: dw-mipi-dsi: include bad value in error message

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Message-Id: <20160919171747.28512-9-john@metanate.com>
Date:   Mon, 19 Sep 2016 18:17:18 +0100
From:   John Keeping <john@...anate.com>
To:     Mark Yao <mark.yao@...k-chips.com>
Cc:     Heiko Stuebner <heiko@...ech.de>, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        John Keeping <john@...anate.com>
Subject: [PATCH 08/26] drm/rockchip: dw-mipi-dsi: include bad value in error message

As an aid to debugging.

Signed-off-by: John Keeping <john@...anate.com>
---
 drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index 38186df8476e..a25db02e1c19 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -645,7 +645,8 @@ static ssize_t dw_mipi_dsi_host_transfer(struct mipi_dsi_host *host,
 		ret = dw_mipi_dsi_dcs_long_write(dsi, msg);
 		break;
 	default:
-		dev_err(dsi->dev, "unsupported message type\n");
+		dev_err(dsi->dev, "unsupported message type 0x%02x\n",
+			msg->type);
 		ret = -EINVAL;
 	}
 
-- 
2.10.0.278.g4f427b1.dirty