Hi Richard, [auto build test WARNING on next-20151016 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Richard-Fitzgerald/Add-support-for-Cirrus-Logic-CS47L24-and-WM1831-codecs/20151019-203503 config: tile-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=tile Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/mfd/arizona-core.c: In function 'arizona_dev_init': >> drivers/mfd/arizona-core.c:1282:2: warning: 'type_name' may be used >> uninitialized in this function [-Wuninitialized] vim +/type_name +1282 drivers/mfd/arizona-core.c 6887b042 Richard Fitzgerald 2015-07-03 1266 apply_patch = wm8998_patch; d9ad0cff Richard Fitzgerald 2015-10-02 1267 subdevs = wm8998_devs; d9ad0cff Richard Fitzgerald 2015-10-02 1268 n_subdevs = ARRAY_SIZE(wm8998_devs); c9ca1ca2 Richard Fitzgerald 2015-10-02 1269 } 6887b042 Richard Fitzgerald 2015-07-03 1270 break; ca76ceb8 Mark Brown 2013-04-09 1271 default: ca76ceb8 Mark Brown 2013-04-09 1272 dev_err(arizona->dev, "Unknown device ID %x\n", reg); ca76ceb8 Mark Brown 2013-04-09 1273 goto err_reset; ca76ceb8 Mark Brown 2013-04-09 1274 } ca76ceb8 Mark Brown 2013-04-09 1275 c9ca1ca2 Richard Fitzgerald 2015-10-02 1276 if (!subdevs) { c9ca1ca2 Richard Fitzgerald 2015-10-02 1277 dev_err(arizona->dev, c9ca1ca2 Richard Fitzgerald 2015-10-02 1278 "No kernel support for device ID %x\n", reg); c9ca1ca2 Richard Fitzgerald 2015-10-02 1279 goto err_reset; c9ca1ca2 Richard Fitzgerald 2015-10-02 1280 } c9ca1ca2 Richard Fitzgerald 2015-10-02 1281 ca76ceb8 Mark Brown 2013-04-09 @1282 dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A'); ca76ceb8 Mark Brown 2013-04-09 1283 62d62b59 Mark Brown 2012-12-02 1284 if (apply_patch) { 62d62b59 Mark Brown 2012-12-02 1285 ret = apply_patch(arizona); 62d62b59 Mark Brown 2012-12-02 1286 if (ret != 0) { 62d62b59 Mark Brown 2012-12-02 1287 dev_err(arizona->dev, "Failed to apply patch: %d\n", 62d62b59 Mark Brown 2012-12-02 1288 ret); 62d62b59 Mark Brown 2012-12-02 1289 goto err_reset; 62d62b59 Mark Brown 2012-12-02 1290 } :::::: The code at line 1282 was first introduced by commit :::::: ca76ceb8b9ca1466be9b6de5e4c0fb19b37417ee mfd: arizona: Read the device identification information after boot :::::: TO: Mark Brown <[email protected]> :::::: CC: Mark Brown <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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