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Groups > linux.kernel > #1587580

[PATCH v4 07/23] drm/rockchip: dw-mipi-dsi: include bad value in error message

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As an aid to debugging.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
---
v4:
- Add Sean's Reviewed-by
v3:
- Add Chris' Reviewed-by
Unchanged in v2
---
 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 f55010312f25..374b18c550fd 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -646,7 +646,8 @@ 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;
 	}
 
-- 
2.12.0.rc0.230.gf625d4cdb9.dirty

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[PATCH v4 00/23] drm/rockchip: MIPI fixes & improvements John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 18/23] drm/rockchip: dw-mipi-dsi: use specific poll helper John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 13/23] drm/rockchip: dw-mipi-dsi: fix escape clock rate John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 23/23] drm/rockchip: dw-mipi-dsi: add reset control John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 12/23] drm/rockchip: dw-mipi-dsi: allow commands in panel_disable John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 02/23] drm/rockchip: dw-mipi-dsi: pass mode in where needed John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 07/23] drm/rockchip: dw-mipi-dsi: include bad value in error message John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 21/23] drm/rockchip: dw-mipi-dsi: defer probe if panel is not loaded John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 19/23] drm/rockchip: dw-mipi-dsi: use positive check for N{H,V}SYNC John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 06/23] drm/rockchip: dw-mipi-dsi: avoid out-of-bounds read on tx_buf John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 15/23] drm/rockchip: dw-mipi-dsi: configure PHY before enabling John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 08/23] drm/rockchip: dw-mipi-dsi: respect message flags John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 04/23] drm/rockchip: dw-mipi-dsi: fix command header writes John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 10/23] drm/rockchip: dw-mipi-dsi: don't assume buffer is aligned John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 11/23] drm/rockchip: dw-mipi-dsi: prepare panel after phy init John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 17/23] drm/rockchip: dw-mipi-dsi: improve PLL configuration John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 09/23] drm/rockchip: dw-mipi-dsi: only request HS clock when required John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 03/23] drm/rockchip: dw-mipi-dsi: remove mode_set hook John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 05/23] drm/rockchip: dw-mipi-dsi: fix generic packet status check John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 01/23] drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for MIPI John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 16/23] drm/rockchip: dw-mipi-dsi: properly configure PHY timing John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 22/23] drm/rockchip: dw-mipi-dsi: support non-burst modes John Keeping <john@metanate.com> - 2017-02-24 14:10 +0100
  Re: [PATCH v4 00/23] drm/rockchip: MIPI fixes & improvements Mark yao <mark.yao@rock-chips.com> - 2017-02-27 02:50 +0100
  Re: [PATCH v4 00/23] drm/rockchip: MIPI fixes & improvements Chris Zhong <zyw@rock-chips.com> - 2017-02-27 04:40 +0100

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