Hi Girish, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on spi/for-next] [also build test WARNING on v4.18-rc5 next-20180720] [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/Dilip-Kota/spi-spi-geni-qcom-Add-SPI-driver-support-for-GENI-based-QUP/20180721-034916 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next config: i386-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from drivers/spi/spi-geni-qcom.c:11:0: drivers/spi/spi-geni-qcom.c: In function 'spi_geni_prepare_transfer_hardware': include/linux/qcom-geni-se.h:238:9: error: 'version' undeclared (first use in this function); did you mean 'vm_region'? step = version & HW_VER_STEP_MASK; \ ^ >> drivers/spi/spi-geni-qcom.c:256:3: note: in expansion of macro 'geni_se_get_wrapper_version' geni_se_get_wrapper_version(se, major, minor, step); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/qcom-geni-se.h:238:9: note: each undeclared identifier is reported only once for each function it appears in step = version & HW_VER_STEP_MASK; \ ^ >> drivers/spi/spi-geni-qcom.c:256:3: note: in expansion of macro 'geni_se_get_wrapper_version' geni_se_get_wrapper_version(se, major, minor, step); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/geni_se_get_wrapper_version +256 drivers/spi/spi-geni-qcom.c 233 234 static int spi_geni_prepare_transfer_hardware(struct spi_master *spi) 235 { 236 struct spi_geni_master *mas = spi_master_get_devdata(spi); 237 struct geni_se *se = &mas->se; 238 239 if (!mas->setup) { 240 int proto = geni_se_read_proto(se); 241 unsigned int major; 242 unsigned int minor; 243 unsigned int step; 244 245 if (proto != GENI_SE_SPI) { 246 dev_err(mas->dev, "Invalid proto %d\n", proto); 247 return -ENXIO; 248 } 249 mas->tx_fifo_depth = geni_se_get_tx_fifo_depth(se); 250 mas->rx_fifo_depth = geni_se_get_rx_fifo_depth(se); 251 mas->tx_fifo_width = geni_se_get_tx_fifo_width(se); 252 geni_se_init(se, 0x0, (mas->tx_fifo_depth - 2)); 253 mas->oversampling = 1; 254 /* Transmit an entire FIFO worth of data per IRQ */ 255 mas->tx_wm = 1; > 256 geni_se_get_wrapper_version(se, major, minor, step); 257 if ((major == 1) && (minor == 0)) 258 mas->oversampling = 2; 259 mas->setup = 1; 260 } 261 return 0; 262 } 263 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation