Re: [PATCH v2 15/19] omap2: omapfb: allow building it with COMPILE_TEST

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Hi Mauro,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v4.16 next-20180406]
[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/Mauro-Carvalho-Chehab/Make-all-media-drivers-build-with-COMPILE_TEST/20180406-163048
base:   git://linuxtv.org/media_tree.git master
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:230:23: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:230:23: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:230:23: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:230:23: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:230:23: sparse: cast to restricted __be32
>> drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c:230:23: sparse: cast to restricted __be32
--
>> drivers/video/fbdev/omap2/omapfb/dss/dispc.c:289:9: sparse: context imbalance in 'mgr_fld_write' - different lock contexts for basic block

vim +230 drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c

f76ee892 Tomi Valkeinen 2015-12-09  222  
f76ee892 Tomi Valkeinen 2015-12-09  223  static int panel_enabled(struct panel_drv_data *ddata)
f76ee892 Tomi Valkeinen 2015-12-09  224  {
f76ee892 Tomi Valkeinen 2015-12-09  225  	u32 disp_status;
f76ee892 Tomi Valkeinen 2015-12-09  226  	int enabled;
f76ee892 Tomi Valkeinen 2015-12-09  227  
f76ee892 Tomi Valkeinen 2015-12-09  228  	acx565akm_read(ddata, MIPID_CMD_READ_DISP_STATUS,
f76ee892 Tomi Valkeinen 2015-12-09  229  			(u8 *)&disp_status, 4);
f76ee892 Tomi Valkeinen 2015-12-09 @230  	disp_status = __be32_to_cpu(disp_status);
f76ee892 Tomi Valkeinen 2015-12-09  231  	enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
f76ee892 Tomi Valkeinen 2015-12-09  232  	dev_dbg(&ddata->spi->dev,
f76ee892 Tomi Valkeinen 2015-12-09  233  		"LCD panel %senabled by bootloader (status 0x%04x)\n",
f76ee892 Tomi Valkeinen 2015-12-09  234  		enabled ? "" : "not ", disp_status);
f76ee892 Tomi Valkeinen 2015-12-09  235  	return enabled;
f76ee892 Tomi Valkeinen 2015-12-09  236  }
f76ee892 Tomi Valkeinen 2015-12-09  237  

:::::: The code at line 230 was first introduced by commit
:::::: f76ee892a99e68b55402b8d4b8aeffcae2aff34d omapfb: copy omapdss & displays for omapfb

:::::: TO: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
:::::: CC: Tomi Valkeinen <tomi.valkeinen@xxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



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