Re: [PATCH v7 3/3] drm/bridge: ti-sn65dsi86: Implement the pwm_chip

[kernel test robot <lkp@intel.com>]

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Hi Bjorn,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.15-rc6]
[also build test ERROR on next-20211026]
[cannot apply to thierry-reding-pwm/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Bjorn-Andersson/pwm-Introduce-single-PWM-of_xlate-function/20211026-011243
base:    519d81956ee277b4419c723adfb154603c2565ba
config: openrisc-buildonly-randconfig-r001-20211027 (attached as .config)
compiler: or1k-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/e5ac651e6c7c724f3cd33e0fe322e714c0796348
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Bjorn-Andersson/pwm-Introduce-single-PWM-of_xlate-function/20211026-011243
        git checkout e5ac651e6c7c724f3cd33e0fe322e714c0796348
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=openrisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:218:12: error: 'ti_sn65dsi86_read_u16' defined but not used [-Werror=unused-function]
     218 | static int ti_sn65dsi86_read_u16(struct ti_sn65dsi86 *pdata,
         |            ^~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/ti_sn65dsi86_read_u16 +218 drivers/gpu/drm/bridge/ti-sn65dsi86.c

   217	
 > 218	static int ti_sn65dsi86_read_u16(struct ti_sn65dsi86 *pdata,
   219					 unsigned int reg, u16 *val)
   220	{
   221		u8 buf[2];
   222		int ret;
   223	
   224		ret = regmap_bulk_read(pdata->regmap, reg, buf, ARRAY_SIZE(buf));
   225		if (ret)
   226			return ret;
   227	
   228		*val = buf[0] | (buf[1] << 8);
   229	
   230		return 0;
   231	}
   232	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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