Re: [PATCH] staging: fbtft: Allows bpp to be set from dt

[kbuild test robot]

Hi Radoslaw,

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.11-rc2 next-20170310]
[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/Radoslaw-Pietrzyk/staging-fbtft-Allows-bpp-to-be-set-from-dt/20170313-053026
config: i386-randconfig-x000-201711 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/list.h:4,
                    from include/linux/module.h:9,
                    from drivers/staging/fbtft/fbtft-core.c:19:
   drivers/staging/fbtft/fbtft-core.c: In function 'fbtft_framebuffer_alloc':
   drivers/staging/fbtft/fbtft-core.c:702:11: error: 'struct fbtft_platform_data' has no member named 'bpp'
     if (pdata->bpp)
              ^
   include/linux/compiler.h:160:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/staging/fbtft/fbtft-core.c:702:2: note: in expansion of macro 'if'
     if (pdata->bpp)
     ^~
   drivers/staging/fbtft/fbtft-core.c:702:11: error: 'struct fbtft_platform_data' has no member named 'bpp'
     if (pdata->bpp)
              ^
   include/linux/compiler.h:160:42: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                             ^~~~
>> drivers/staging/fbtft/fbtft-core.c:702:2: note: in expansion of macro 'if'
     if (pdata->bpp)
     ^~
   drivers/staging/fbtft/fbtft-core.c:702:11: error: 'struct fbtft_platform_data' has no member named 'bpp'
     if (pdata->bpp)
              ^
   include/linux/compiler.h:171:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^~~~
>> drivers/staging/fbtft/fbtft-core.c:702:2: note: in expansion of macro 'if'
     if (pdata->bpp)
     ^~
   drivers/staging/fbtft/fbtft-core.c:703:14: error: 'struct fbtft_platform_data' has no member named 'bpp'
      bpp = pdata->bpp;
                 ^~

vim +/if +702 drivers/staging/fbtft/fbtft-core.c

   686		}
   687	
   688		/* defaults */
   689		if (!fps)
   690			fps = 20;
   691		if (!bpp)
   692			bpp = 16;
   693	
   694		if (!pdata) {
   695			dev_err(dev, "platform data is missing\n");
   696			return NULL;
   697		}
   698	
   699		/* override driver values? */
   700		if (pdata->fps)
   701			fps = pdata->fps;
 > 702		if (pdata->bpp)
   703			bpp = pdata->bpp;
   704		if (pdata->txbuflen)
   705			txbuflen = pdata->txbuflen;
   706		if (pdata->display.init_sequence)
   707			init_sequence = pdata->display.init_sequence;
   708		if (pdata->gamma)
   709			gamma = pdata->gamma;
   710		if (pdata->display.debug)

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