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Message-ID: <201909021106.Oy4Dgtwb%lkp@intel.com>
Date: Mon, 2 Sep 2019 11:28:44 +0800
From: kbuild test robot <lkp@...el.com>
To: Guido Günther <agx@...xcpu.org>
Cc: kbuild-all@...org, "To : David Airlie" <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Andrzej Hajda <a.hajda@...sung.com>,
Neil Armstrong <narmstrong@...libre.com>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Lee Jones <lee.jones@...aro.org>,
Guido Günther <agx@...xcpu.org>,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Robert Chiras <robert.chiras@....com>,
Sam Ravnborg <sam@...nborg.org>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v4 2/2] drm/bridge: Add NWL MIPI DSI host controller
support
Hi "Guido,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc6 next-20190830]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Guido-G-nther/dt-bindings-display-bridge-Add-binding-for-NWL-mipi-dsi-host-controller/20190901-114958
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/bridge/nwl-dsi/nwl-dsi.c:22:0:
drivers/gpu/drm/bridge/nwl-dsi/nwl-dsi.c: In function 'nwl_dsi_read_packet':
>> include/drm/drm_print.h:313:32: warning: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'size_t {aka const unsigned int}' [-Wformat=]
drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__)
^
>> drivers/gpu/drm/bridge/nwl-dsi/nwl-dsi.c:402:4: note: in expansion of macro 'DRM_DEV_ERROR'
DRM_DEV_ERROR(
^~~~~~~~~~~~~
drivers/gpu/drm/bridge/nwl-dsi/nwl-dsi.c:404:41: note: format string is defined here
"[%02X] Receive buffer too small: %lu (< %u)\n",
~~^
%u
coccinelle warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/bridge/nwl-dsi/nwl-dsi.c:233:5-17: WARNING: Unsigned expression compared with zero: color_format < 0
vim +313 include/drm/drm_print.h
02c9656b2f0d69 Haneen Mohammed 2017-10-17 288
02c9656b2f0d69 Haneen Mohammed 2017-10-17 289 #define _DRM_PRINTK(once, level, fmt, ...) \
db87086492581c Joe Perches 2018-03-16 290 printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 291
02c9656b2f0d69 Haneen Mohammed 2017-10-17 292 #define DRM_INFO(fmt, ...) \
02c9656b2f0d69 Haneen Mohammed 2017-10-17 293 _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 294 #define DRM_NOTE(fmt, ...) \
02c9656b2f0d69 Haneen Mohammed 2017-10-17 295 _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 296 #define DRM_WARN(fmt, ...) \
02c9656b2f0d69 Haneen Mohammed 2017-10-17 297 _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 298
02c9656b2f0d69 Haneen Mohammed 2017-10-17 299 #define DRM_INFO_ONCE(fmt, ...) \
02c9656b2f0d69 Haneen Mohammed 2017-10-17 300 _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 301 #define DRM_NOTE_ONCE(fmt, ...) \
02c9656b2f0d69 Haneen Mohammed 2017-10-17 302 _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 303 #define DRM_WARN_ONCE(fmt, ...) \
02c9656b2f0d69 Haneen Mohammed 2017-10-17 304 _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 305
02c9656b2f0d69 Haneen Mohammed 2017-10-17 306 /**
02c9656b2f0d69 Haneen Mohammed 2017-10-17 307 * Error output.
02c9656b2f0d69 Haneen Mohammed 2017-10-17 308 *
091756bbb1a961 Haneen Mohammed 2017-10-17 309 * @dev: device pointer
091756bbb1a961 Haneen Mohammed 2017-10-17 310 * @fmt: printf() like format string.
02c9656b2f0d69 Haneen Mohammed 2017-10-17 311 */
02c9656b2f0d69 Haneen Mohammed 2017-10-17 312 #define DRM_DEV_ERROR(dev, fmt, ...) \
db87086492581c Joe Perches 2018-03-16 @313 drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 314 #define DRM_ERROR(fmt, ...) \
99a954874e7b9f Joe Perches 2018-03-13 315 drm_err(fmt, ##__VA_ARGS__)
02c9656b2f0d69 Haneen Mohammed 2017-10-17 316
:::::: The code at line 313 was first introduced by commit
:::::: db87086492581c87f768b7d17d01308153ecffc1 drm: Reduce object size of DRM_DEV_<LEVEL> uses
:::::: TO: Joe Perches <joe@...ches.com>
:::::: CC: Daniel Vetter <daniel.vetter@...ll.ch>
---
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