Hi Fabrizio, kernel test robot noticed the following build errors: [auto build test ERROR on broonie-spi/for-next] [also build test ERROR on geert-renesas-drivers/renesas-clk arm64/for-next/core geert-renesas-devel/next robh/for-next linus/master v6.16-rc3 next-20250625] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Fabrizio-Castro/clk-renesas-r9a09g057-Add-entries-for-the-RSPIs/20250625-032714 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next patch link: https://lore.kernel.org/r/20250624192304.338979-4-fabrizio.castro.jz%40renesas.com patch subject: [PATCH 3/6] spi: Add driver for the RZ/V2H(P) RSPI IP config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20250625/202506251915.mDWx8v2S-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506251915.mDWx8v2S-lkp@xxxxxxxxx/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 | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202506251915.mDWx8v2S-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/spi/spi-rzv2h-rspi.c: In function 'rzv2h_rspi_prepare_message': >> drivers/spi/spi-rzv2h-rspi.c:298:18: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration] 298 | conf32 = FIELD_PREP(RSPI_SPCMD_CPOL, !!(spi->mode & SPI_CPOL)); | ^~~~~~~~~~ vim +/FIELD_PREP +298 drivers/spi/spi-rzv2h-rspi.c 268 269 static int rzv2h_rspi_prepare_message(struct spi_controller *ctlr, 270 struct spi_message *message) 271 { 272 struct rzv2h_rspi_priv *rspi = spi_controller_get_devdata(ctlr); 273 const struct spi_device *spi = message->spi; 274 struct spi_transfer *xfer; 275 u32 speed_hz = U32_MAX; 276 u8 bits_per_word; 277 u32 conf32; 278 u16 conf16; 279 280 /* Make sure SPCR.SPE is 0 before amending the configuration */ 281 rzv2h_rspi_spe_disable(rspi); 282 283 /* Configure the device to work in "host" mode */ 284 conf32 = RSPI_SPCR_MSTR; 285 286 /* Auto-stop function */ 287 conf32 |= RSPI_SPCR_SCKASE; 288 289 /* SPI receive buffer full interrupt enable */ 290 conf32 |= RSPI_SPCR_SPRIE; 291 292 writel(conf32, rspi->base + RSPI_SPCR); 293 294 /* Use SPCMD0 only */ 295 writeb(0x0, rspi->base + RSPI_SPSCR); 296 297 /* Setup mode */ > 298 conf32 = FIELD_PREP(RSPI_SPCMD_CPOL, !!(spi->mode & SPI_CPOL)); 299 conf32 |= FIELD_PREP(RSPI_SPCMD_CPHA, !!(spi->mode & SPI_CPHA)); 300 conf32 |= FIELD_PREP(RSPI_SPCMD_LSBF, !!(spi->mode & SPI_LSB_FIRST)); 301 conf32 |= FIELD_PREP(RSPI_SPCMD_SSLKP, 1); 302 conf32 |= FIELD_PREP(RSPI_SPCMD_SSLA, spi_get_chipselect(spi, 0)); 303 writel(conf32, rspi->base + RSPI_SPCMD); 304 if (spi->mode & SPI_CS_HIGH) 305 writeb(BIT(spi_get_chipselect(spi, 0)), rspi->base + RSPI_SSLP); 306 else 307 writeb(0, rspi->base + RSPI_SSLP); 308 309 /* Setup FIFO thresholds */ 310 conf16 = FIELD_PREP(RSPI_SPDCR2_TTRG, RSPI_FIFO_SIZE - 1); 311 conf16 |= FIELD_PREP(RSPI_SPDCR2_RTRG, 0); 312 writew(conf16, rspi->base + RSPI_SPDCR2); 313 314 rzv2h_rspi_clear_fifos(rspi); 315 316 list_for_each_entry(xfer, &message->transfers, transfer_list) { 317 if (!xfer->speed_hz) 318 continue; 319 320 speed_hz = min(xfer->speed_hz, speed_hz); 321 bits_per_word = xfer->bits_per_word; 322 } 323 324 if (speed_hz == U32_MAX) 325 return -EINVAL; 326 327 rspi->bytes_per_word = roundup_pow_of_two(BITS_TO_BYTES(bits_per_word)); 328 rzv2h_rspi_reg_rmw(rspi, RSPI_SPCMD, RSPI_SPCMD_SPB, bits_per_word - 1); 329 330 rspi->freq = rzv2h_rspi_setup_clock(rspi, speed_hz); 331 if (!rspi->freq) 332 return -EINVAL; 333 334 rzv2h_rspi_spe_enable(rspi); 335 336 return 0; 337 } 338 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
