From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751355AbdAVGpT (ORCPT ); Sun, 22 Jan 2017 01:45:19 -0500 Received: from regular1.263xmail.com ([211.150.99.130]:52803 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750813AbdAVGpM (ORCPT ); Sun, 22 Jan 2017 01:45:12 -0500 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: zyw@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: zyw@rock-chips.com X-UNIQUE-TAG: <0bcdcd86178e2556afc36ff30a2eb44f> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: [PATCH v2 08/26] drm/rockchip: dw-mipi-dsi: include bad value in error message To: John Keeping , Mark Yao References: <20170121163128.22240-1-john@metanate.com> <20170121163128.22240-9-john@metanate.com> Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org From: Chris Zhong Message-ID: <588454E7.80200@rock-chips.com> Date: Sun, 22 Jan 2017 14:44:55 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <20170121163128.22240-9-john@metanate.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John Reviewed-by: Chris Zhong On 01/22/2017 12:31 AM, John Keeping wrote: > As an aid to debugging. > > Signed-off-by: John Keeping > --- > 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; > } >