From: kbuild test robot <lkp@intel.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: kbuild-all@01.org, linux-fbdev@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] video: fbdev: da8xx-fb: add COMPILE_TEST support
Date: Tue, 16 Apr 2019 06:29:33 +0000 [thread overview]
Message-ID: <201904161412.VEAizQ2O%lkp@intel.com> (raw)
In-Reply-To: <5eba3c36-bc65-74ae-cc7c-cc45ee06ccfe@samsung.com>
Hi Bartlomiej,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.1-rc5 next-20190415]
[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/Bartlomiej-Zolnierkiewicz/video-fbdev-da8xx-fb-add-COMPILE_TEST-support/20190415-184308
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
sparse warnings: (new ones prefixed by >>)
vim +1159 drivers/video/fbdev/da8xx-fb.c
1f9c3e1f drivers/video/da8xx-fb.c Martin Ambrose 2010-05-24 1144
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1145 static int fb_ioctl(struct fb_info *info, unsigned int cmd,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1146 unsigned long arg)
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1147 {
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1148 struct lcd_sync_arg sync_arg;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1149
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1150 switch (cmd) {
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1151 case FBIOGET_CONTRAST:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1152 case FBIOPUT_CONTRAST:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1153 case FBIGET_BRIGHTNESS:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1154 case FBIPUT_BRIGHTNESS:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1155 case FBIGET_COLOR:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1156 case FBIPUT_COLOR:
2f93e8f4 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1157 return -ENOTTY;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1158 case FBIPUT_HSYNC:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 @1159 if (copy_from_user(&sync_arg, (char *)arg,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1160 sizeof(struct lcd_sync_arg)))
2f93e8f4 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1161 return -EFAULT;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1162 lcd_cfg_horizontal_sync(sync_arg.back_porch,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1163 sync_arg.pulse_width,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1164 sync_arg.front_porch);
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1165 break;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1166 case FBIPUT_VSYNC:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1167 if (copy_from_user(&sync_arg, (char *)arg,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1168 sizeof(struct lcd_sync_arg)))
2f93e8f4 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1169 return -EFAULT;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1170 lcd_cfg_vertical_sync(sync_arg.back_porch,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1171 sync_arg.pulse_width,
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1172 sync_arg.front_porch);
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1173 break;
1f9c3e1f drivers/video/da8xx-fb.c Martin Ambrose 2010-05-24 1174 case FBIO_WAITFORVSYNC:
1f9c3e1f drivers/video/da8xx-fb.c Martin Ambrose 2010-05-24 1175 return fb_wait_for_vsync(info);
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1176 default:
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1177 return -EINVAL;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1178 }
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1179 return 0;
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1180 }
4ed824d9 drivers/video/da8xx-fb.c Sudhakar Rajashekhara 2009-09-22 1181
:::::: The code at line 1159 was first introduced by commit
:::::: 4ed824d9aead77a6a4eb1e89c3b3d270ba386fad davinci: fb: Frame Buffer driver for TI DA8xx/OMAP-L1xx
:::::: TO: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
prev parent reply other threads:[~2019-04-16 6:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190412115855eucas1p13b364b5e815ccd338ceb74577d116b14@eucas1p1.samsung.com>
2019-04-12 11:58 ` [PATCH] video: fbdev: da8xx-fb: add COMPILE_TEST support Bartlomiej Zolnierkiewicz
2019-04-16 6:29 ` kbuild test robot [this message]
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