Subject: Re: [PATCH v2 2/3] media: rockchip: Introduce driver for Rockhip's camera interface

From: kbuild test robot <[email-masked]>
Date: Sun, 31 May 2020 12:39:49 +0800

Hi Maxime,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on robh/for-next v5.7-rc7 next-20200529]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Maxime-Chevallier/media-rockchip-Introduce-driver-for-the-camera-interface-on-PX30/20200531-081952
base:   git://linuxtv.org/media_tree.git master
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <[email-masked]>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from drivers/media/platform/rockchip/cif/dev.c:22:
>> drivers/media/platform/rockchip/cif/regs.h:113: warning: "FRAME_END" redefined
113 | #define FRAME_END   (0x01 << 0)
|
In file included from arch/x86/include/asm/paravirt.h:18,
from arch/x86/include/asm/spinlock.h:10,
from include/linux/spinlock.h:89,
from include/linux/rwsem.h:16,
from include/linux/notifier.h:15,
from include/linux/clk.h:14,
from drivers/media/platform/rockchip/cif/dev.c:8:
arch/x86/include/asm/frame.h:60: note: this is the location of the previous definition
60 | #define FRAME_END "pop %" _ASM_BP "n"
|
In file included from include/media/v4l2-subdev.h:15,
from include/media/v4l2-device.h:13,
from drivers/media/platform/rockchip/cif/dev.h:15,
from drivers/media/platform/rockchip/cif/dev.c:21:
drivers/media/platform/rockchip/cif/dev.c: In function 'rkcif_plat_probe':
include/media/v4l2-common.h:58:32: warning: 'v4l2_dev' may be used uninitialized in this function [-Wmaybe-uninitialized]
58 |  printk(level "%s: " fmt, (dev)->name , ## arg)
|                                ^~
drivers/media/platform/rockchip/cif/dev.c:216:22: note: 'v4l2_dev' was declared here
216 |  struct v4l2_device *v4l2_dev;
|                      ^~~~~~~~
--
In file included from drivers/media/platform/rockchip/cif/capture.c:22:
>> drivers/media/platform/rockchip/cif/regs.h:113: warning: "FRAME_END" redefined
113 | #define FRAME_END   (0x01 << 0)
|
In file included from arch/x86/include/asm/paravirt.h:18,
from arch/x86/include/asm/spinlock.h:10,
from include/linux/spinlock.h:89,
from include/linux/wait.h:9,
from include/linux/pid.h:6,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/pm_runtime.h:11,
from drivers/media/platform/rockchip/cif/capture.c:10:
arch/x86/include/asm/frame.h:60: note: this is the location of the previous definition
60 | #define FRAME_END "pop %" _ASM_BP "n"
|

vim +/FRAME_END +113 drivers/media/platform/rockchip/cif/regs.h

   110	
   111	/* CIF INTSTAT */
   112	#define INTSTAT_CLS			(0x3FF)
 > 113	#define FRAME_END			(0x01 << 0)
   114	#define LINE_ERR			(0x01 << 2)
   115	#define PST_INF_FRAME_END		(0x01 << 9)
   116	#define FRAME_END_CLR			(0x01 << 0)
   117	#define LINE_ERR_CLR			(0x01 << 2)
   118	#define PST_INF_FRAME_END_CLR		(0x01 << 9)
   119	#define INTSTAT_ERR			(0xFC)
   120	

---
0-DAY CI Kernel Test Service, Intel Corporation
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