Hi Eugen, I love your patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on v5.12-rc5 next-20210401] [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/Eugen-Hristev/media-atmel-atmel-isc-add-support-for-xisc/20210402-024144 base: git://linuxtv.org/media_tree.git master config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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/5940a9ab90aba6cd4c659b9df3ab1b8bb0ce0e43 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Eugen-Hristev/media-atmel-atmel-isc-add-support-for-xisc/20210402-024144 git checkout 5940a9ab90aba6cd4c659b9df3ab1b8bb0ce0e43 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:207:6: warning: no previous prototype for 'isc_sama7g5_config_csc' [-Wmissing-prototypes] 207 | void isc_sama7g5_config_csc(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:226:6: warning: no previous prototype for 'isc_sama7g5_config_cbc' [-Wmissing-prototypes] 226 | void isc_sama7g5_config_cbc(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:238:6: warning: no previous prototype for 'isc_sama7g5_config_cc' [-Wmissing-prototypes] 238 | void isc_sama7g5_config_cc(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:251:6: warning: no previous prototype for 'isc_sama7g5_config_ctrls' [-Wmissing-prototypes] 251 | void isc_sama7g5_config_ctrls(struct isc_device *isc, | ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:262:6: warning: no previous prototype for 'isc_sama7g5_config_dpc' [-Wmissing-prototypes] 262 | void isc_sama7g5_config_dpc(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:273:6: warning: no previous prototype for 'isc_sama7g5_config_gam' [-Wmissing-prototypes] 273 | void isc_sama7g5_config_gam(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:281:6: warning: no previous prototype for 'isc_sama7g5_config_rlp' [-Wmissing-prototypes] 281 | void isc_sama7g5_config_rlp(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:291:6: warning: no previous prototype for 'isc_sama7g5_adapt_pipeline' [-Wmissing-prototypes] 291 | void isc_sama7g5_adapt_pipeline(struct isc_device *isc) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/atmel/atmel-sama7g5-isc.c: In function 'microchip_xisc_probe': drivers/media/platform/atmel/atmel-sama7g5-isc.c:530:9: error: implicit declaration of function 'v4l2_async_notifier_add_subdev'; did you mean 'v4l2_async_notifier_add_i2c_subdev'? [-Werror=implicit-function-declaration] 530 | ret = v4l2_async_notifier_add_subdev(&subdev_entity->notifier, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | v4l2_async_notifier_add_i2c_subdev cc1: some warnings being treated as errors vim +/isc_sama7g5_config_csc +207 drivers/media/platform/atmel/atmel-sama7g5-isc.c 206 > 207 void isc_sama7g5_config_csc(struct isc_device *isc) 208 { 209 struct regmap *regmap = isc->regmap; 210 211 /* Convert RGB to YUV */ 212 regmap_write(regmap, ISC_CSC_YR_YG + isc->offsets.csc, 213 0x42 | (0x81 << 16)); 214 regmap_write(regmap, ISC_CSC_YB_OY + isc->offsets.csc, 215 0x19 | (0x10 << 16)); 216 regmap_write(regmap, ISC_CSC_CBR_CBG + isc->offsets.csc, 217 0xFDA | (0xFB6 << 16)); 218 regmap_write(regmap, ISC_CSC_CBB_OCB + isc->offsets.csc, 219 0x70 | (0x80 << 16)); 220 regmap_write(regmap, ISC_CSC_CRR_CRG + isc->offsets.csc, 221 0x70 | (0xFA2 << 16)); 222 regmap_write(regmap, ISC_CSC_CRB_OCR + isc->offsets.csc, 223 0xFEE | (0x80 << 16)); 224 } 225 > 226 void isc_sama7g5_config_cbc(struct isc_device *isc) 227 { 228 struct regmap *regmap = isc->regmap; 229 230 /* Configure what is set via v4l2 ctrls */ 231 regmap_write(regmap, ISC_CBC_BRIGHT + isc->offsets.cbc, isc->ctrls.brightness); 232 regmap_write(regmap, ISC_CBC_CONTRAST + isc->offsets.cbc, isc->ctrls.contrast); 233 /* Configure Hue and Saturation as neutral midpoint */ 234 regmap_write(regmap, ISC_CBCHS_HUE, 0); 235 regmap_write(regmap, ISC_CBCHS_SAT, (1 << 4)); 236 } 237 > 238 void isc_sama7g5_config_cc(struct isc_device *isc) 239 { 240 struct regmap *regmap = isc->regmap; 241 242 /* Configure each register at the neutral fixed point 1.0 or 0.0 */ 243 regmap_write(regmap, ISC_CC_RR_RG, (1 << 8)); 244 regmap_write(regmap, ISC_CC_RB_OR, 0); 245 regmap_write(regmap, ISC_CC_GR_GG, (1 << 8) << 16); 246 regmap_write(regmap, ISC_CC_GB_OG, 0); 247 regmap_write(regmap, ISC_CC_BR_BG, 0); 248 regmap_write(regmap, ISC_CC_BB_OB, (1 << 8)); 249 } 250 > 251 void isc_sama7g5_config_ctrls(struct isc_device *isc, 252 const struct v4l2_ctrl_ops *ops) 253 { 254 struct isc_ctrls *ctrls = &isc->ctrls; 255 struct v4l2_ctrl_handler *hdl = &ctrls->handler; 256 257 ctrls->contrast = 16; 258 259 v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 16); 260 } 261 > 262 void isc_sama7g5_config_dpc(struct isc_device *isc) 263 { 264 u32 bay_cfg = isc->config.sd_format->cfa_baycfg; 265 struct regmap *regmap = isc->regmap; 266 267 regmap_update_bits(regmap, ISC_DPC_CFG, ISC_DPC_CFG_BLOFF_MASK, 268 (64 << ISC_DPC_CFG_BLOFF_SHIFT)); 269 regmap_update_bits(regmap, ISC_DPC_CFG, ISC_DPC_CFG_BAYCFG_MASK, 270 (bay_cfg << ISC_DPC_CFG_BAYCFG_SHIFT)); 271 } 272 > 273 void isc_sama7g5_config_gam(struct isc_device *isc) 274 { 275 struct regmap *regmap = isc->regmap; 276 277 regmap_update_bits(regmap, ISC_GAM_CTRL, ISC_GAM_CTRL_BIPART, 278 ISC_GAM_CTRL_BIPART); 279 } 280 > 281 void isc_sama7g5_config_rlp(struct isc_device *isc) 282 { 283 struct regmap *regmap = isc->regmap; 284 u32 rlp_mode = isc->config.rlp_cfg_mode; 285 286 regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp, 287 ISC_RLP_CFG_MODE_MASK | ISC_RLP_CFG_LSH | 288 ISC_RLP_CFG_YMODE_MASK, rlp_mode); 289 } 290 > 291 void isc_sama7g5_adapt_pipeline(struct isc_device *isc) 292 { 293 isc->try_config.bits_pipeline &= ISC_SAMA7G5_PIPELINE; 294 } 295 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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