Re: [PATCH v2 08/26] drm/rockchip: dw-mipi-dsi: include bad value in error message

From: Chris Zhong
Date: Sun Jan 22 2017 - 01:45:32 EST


Hi John

Reviewed-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>


On 01/22/2017 12:31 AM, John Keeping wrote:
As an aid to debugging.

Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
---
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 2e6ad4591ebf..92dbc3e56603 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -644,7 +644,8 @@ 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;
}