Hi Luca, I love your patch! Perhaps something to improve: [auto build test WARNING on v5.9-rc2] [also build test WARNING on next-20200828] [cannot apply to xlnx/master] [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/Luca-Ceresoli/fpga-manager-xilinx-spi-remove-stray-comment/20200829-040041 base: d012a7190fc1fd72ed48911e77ca97ba4521bccd compiler: nds32le-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> cppcheck warnings: (new ones prefixed by >>) >> drivers/fpga/xilinx-spi.c:183:10: warning: Uninitialized variable: expired [uninitvar] while (!expired) { ^ # https://github.com/0day-ci/linux/commit/5ae295c0b82631de73665c58df85ec3ed8567a8e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Luca-Ceresoli/fpga-manager-xilinx-spi-remove-stray-comment/20200829-040041 git checkout 5ae295c0b82631de73665c58df85ec3ed8567a8e vim +183 drivers/fpga/xilinx-spi.c 061c97d13f1a69 Anatolij Gustschin 2017-03-23 168 061c97d13f1a69 Anatolij Gustschin 2017-03-23 169 static int xilinx_spi_write_complete(struct fpga_manager *mgr, 061c97d13f1a69 Anatolij Gustschin 2017-03-23 170 struct fpga_image_info *info) 061c97d13f1a69 Anatolij Gustschin 2017-03-23 171 { 061c97d13f1a69 Anatolij Gustschin 2017-03-23 172 struct xilinx_spi_conf *conf = mgr->priv; 629463d1acc532 Luca Ceresoli 2020-08-28 173 unsigned long timeout = jiffies + usecs_to_jiffies(info->config_complete_timeout_us); 629463d1acc532 Luca Ceresoli 2020-08-28 174 bool expired; 629463d1acc532 Luca Ceresoli 2020-08-28 175 int done; 061c97d13f1a69 Anatolij Gustschin 2017-03-23 176 int ret; 061c97d13f1a69 Anatolij Gustschin 2017-03-23 177 629463d1acc532 Luca Ceresoli 2020-08-28 178 /* 629463d1acc532 Luca Ceresoli 2020-08-28 179 * This loop is carefully written such that if the driver is 629463d1acc532 Luca Ceresoli 2020-08-28 180 * scheduled out for more than 'timeout', we still check for DONE 629463d1acc532 Luca Ceresoli 2020-08-28 181 * before giving up and we apply 8 extra CCLK cycles in all cases. 629463d1acc532 Luca Ceresoli 2020-08-28 182 */ 629463d1acc532 Luca Ceresoli 2020-08-28 @183 while (!expired) { 629463d1acc532 Luca Ceresoli 2020-08-28 184 expired = time_after(jiffies, timeout); 061c97d13f1a69 Anatolij Gustschin 2017-03-23 185 629463d1acc532 Luca Ceresoli 2020-08-28 186 done = get_done_gpio(mgr); 629463d1acc532 Luca Ceresoli 2020-08-28 187 if (done < 0) 629463d1acc532 Luca Ceresoli 2020-08-28 188 return done; 061c97d13f1a69 Anatolij Gustschin 2017-03-23 189 061c97d13f1a69 Anatolij Gustschin 2017-03-23 190 ret = xilinx_spi_apply_cclk_cycles(conf); 061c97d13f1a69 Anatolij Gustschin 2017-03-23 191 if (ret) 061c97d13f1a69 Anatolij Gustschin 2017-03-23 192 return ret; 061c97d13f1a69 Anatolij Gustschin 2017-03-23 193 629463d1acc532 Luca Ceresoli 2020-08-28 194 if (done) 629463d1acc532 Luca Ceresoli 2020-08-28 195 return 0; 061c97d13f1a69 Anatolij Gustschin 2017-03-23 196 } 061c97d13f1a69 Anatolij Gustschin 2017-03-23 197 70cac0e8c9ec83 Luca Ceresoli 2020-08-28 198 dev_err(&mgr->dev, "Timeout after config data transfer\n"); 061c97d13f1a69 Anatolij Gustschin 2017-03-23 199 return -ETIMEDOUT; 061c97d13f1a69 Anatolij Gustschin 2017-03-23 200 } 061c97d13f1a69 Anatolij Gustschin 2017-03-23 201 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
