From: kernel test robot <lkp@intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: drivers/video/fbdev/omap/lcd_mipid.c:451:23: sparse: sparse: cast to restricted __be32
Date: Sun, 22 Jan 2023 06:47:53 +0800 [thread overview]
Message-ID: <202301220608.62FbzOrd-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f67144022885344375ad03593e7a290cc614da34
commit: 804f7f19c2e2928aeb8eafef8379fe8b8d13f98b fbdev: omap: avoid using mach/*.h files
date: 9 months ago
config: arm-randconfig-s033-20230122 (https://download.01.org/0day-ci/archive/20230122/202301220608.62FbzOrd-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=804f7f19c2e2928aeb8eafef8379fe8b8d13f98b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 804f7f19c2e2928aeb8eafef8379fe8b8d13f98b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/video/fbdev/omap/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/video/fbdev/omap/lcd_mipid.c:451:23: sparse: sparse: cast to restricted __be32
vim +451 drivers/video/fbdev/omap/lcd_mipid.c
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 444
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 445 static int panel_enabled(struct mipid_device *md)
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 446 {
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 447 u32 disp_status;
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 448 int enabled;
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 449
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 450 mipid_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4);
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 @451 disp_status = __be32_to_cpu(disp_status);
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 452 enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 453 dev_dbg(&md->spi->dev,
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 454 "LCD panel %senabled by bootloader (status 0x%04x)\n",
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 455 enabled ? "" : "not ", disp_status);
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 456 return enabled;
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 457 }
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 458
:::::: The code at line 451 was first introduced by commit
:::::: 66d2f99d0bb5a2972fb5c1d88b61169510e540d6 omapfb: add support for MIPI-DCS compatible LCDs
:::::: TO: Imre Deak <imre.deak@nokia.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
next reply other threads:[~2023-01-21 22:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-21 22:47 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-12-09 16:40 drivers/video/fbdev/omap/lcd_mipid.c:451:23: sparse: sparse: cast to restricted __be32 kernel test robot
2022-11-11 13:40 kernel test robot
2022-09-24 5:23 kernel test robot
2022-09-17 21:18 kernel test robot
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