drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32

kernel test robot <[email protected]>
Newsgroups dev.linux.lists.oe-kbuild-all,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
Hi Chintan,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   818bebeb63dd6bf5f4e07e145f6cdbace520a34c
commit: bf9ec461a7d1b82bbc3fe110fba9e9533879849d fbdev: omapfb: Make FB_DEVICE dependency optional
date:   6 months ago
config: arm64-randconfig-r112-20260821 (https://download.01.org/0day-ci/archive/20260821/[email protected]/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 935bfc708590c60147a79c7df145bb6e68b1d388)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: bf9ec461a7d1 ("fbdev: omapfb: Make FB_DEVICE dependency optional")
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

sparse warnings: (new ones prefixed by >>)
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:218:23: sparse: sparse: cast to restricted __be32

vim +218 drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c

f76ee892a99e68 Tomi Valkeinen 2015-12-09  210  
f76ee892a99e68 Tomi Valkeinen 2015-12-09  211  static int panel_enabled(struct panel_drv_data *ddata)
f76ee892a99e68 Tomi Valkeinen 2015-12-09  212  {
f76ee892a99e68 Tomi Valkeinen 2015-12-09  213  	u32 disp_status;
f76ee892a99e68 Tomi Valkeinen 2015-12-09  214  	int enabled;
f76ee892a99e68 Tomi Valkeinen 2015-12-09  215  
f76ee892a99e68 Tomi Valkeinen 2015-12-09  216  	acx565akm_read(ddata, MIPID_CMD_READ_DISP_STATUS,
f76ee892a99e68 Tomi Valkeinen 2015-12-09  217  			(u8 *)&disp_status, 4);
f76ee892a99e68 Tomi Valkeinen 2015-12-09 @218  	disp_status = __be32_to_cpu(disp_status);
f76ee892a99e68 Tomi Valkeinen 2015-12-09  219  	enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
f76ee892a99e68 Tomi Valkeinen 2015-12-09  220  	dev_dbg(&ddata->spi->dev,
f76ee892a99e68 Tomi Valkeinen 2015-12-09  221  		"LCD panel %senabled by bootloader (status 0x%04x)\n",
f76ee892a99e68 Tomi Valkeinen 2015-12-09  222  		enabled ? "" : "not ", disp_status);
f76ee892a99e68 Tomi Valkeinen 2015-12-09  223  	return enabled;
f76ee892a99e68 Tomi Valkeinen 2015-12-09  224  }
f76ee892a99e68 Tomi Valkeinen 2015-12-09  225  

:::::: The code at line 218 was first introduced by commit
:::::: f76ee892a99e68b55402b8d4b8aeffcae2aff34d omapfb: copy omapdss & displays for omapfb

:::::: TO: Tomi Valkeinen <[email protected]>
:::::: CC: Tomi Valkeinen <[email protected]>

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