tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 57f962b956f1d116cd64d5c406776c4975de549d commit: 4e8ad5ed845beead6211d2121598fa84e40bca70 [11144/11623] dmaengine: cirrus: Convert to DT for Cirrus EP93xx config: powerpc-randconfig-r036-20220117 (https://download.01.org/0day-ci/archive/20240912/202409122133.NctarRoK-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240912/202409122133.NctarRoK-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/202409122133.NctarRoK-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/dma/ep93xx_dma.c: In function 'ep93xx_dma_of_probe': >> drivers/dma/ep93xx_dma.c:1365:51: warning: '%u' directive writing between 1 and 8 bytes into a region of size 2 [-Wformat-overflow=] 1365 | sprintf(dma_clk_name, "m2p%u", i); | ^~ drivers/dma/ep93xx_dma.c:1365:47: note: directive argument in the range [0, 16777216] 1365 | sprintf(dma_clk_name, "m2p%u", i); | ^~~~~~~ drivers/dma/ep93xx_dma.c:1365:25: note: 'sprintf' output between 5 and 12 bytes into a destination of size 5 1365 | sprintf(dma_clk_name, "m2p%u", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/ep93xx_dma.c:1363:51: warning: '%u' directive writing between 1 and 8 bytes into a region of size 2 [-Wformat-overflow=] 1363 | sprintf(dma_clk_name, "m2m%u", i); | ^~ drivers/dma/ep93xx_dma.c:1363:47: note: directive argument in the range [0, 16777216] 1363 | sprintf(dma_clk_name, "m2m%u", i); | ^~~~~~~ drivers/dma/ep93xx_dma.c:1363:25: note: 'sprintf' output between 5 and 12 bytes into a destination of size 5 1363 | sprintf(dma_clk_name, "m2m%u", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +1365 drivers/dma/ep93xx_dma.c 1324 1325 static struct ep93xx_dma_engine *ep93xx_dma_of_probe(struct platform_device *pdev) 1326 { 1327 const struct ep93xx_edma_data *data; 1328 struct device *dev = &pdev->dev; 1329 struct ep93xx_dma_engine *edma; 1330 struct dma_device *dma_dev; 1331 char dma_clk_name[5]; 1332 int i; 1333 1334 data = device_get_match_data(dev); 1335 if (!data) 1336 return ERR_PTR(dev_err_probe(dev, -ENODEV, "No device match found\n")); 1337 1338 edma = devm_kzalloc(dev, struct_size(edma, channels, data->num_channels), 1339 GFP_KERNEL); 1340 if (!edma) 1341 return ERR_PTR(-ENOMEM); 1342 1343 edma->m2m = data->id; 1344 edma->num_channels = data->num_channels; 1345 dma_dev = &edma->dma_dev; 1346 1347 INIT_LIST_HEAD(&dma_dev->channels); 1348 for (i = 0; i < edma->num_channels; i++) { 1349 struct ep93xx_dma_chan *edmac = &edma->channels[i]; 1350 1351 edmac->chan.device = dma_dev; 1352 edmac->regs = devm_platform_ioremap_resource(pdev, i); 1353 if (IS_ERR(edmac->regs)) 1354 return edmac->regs; 1355 1356 edmac->irq = fwnode_irq_get(dev_fwnode(dev), i); 1357 if (edmac->irq < 0) 1358 return ERR_PTR(edmac->irq); 1359 1360 edmac->edma = edma; 1361 1362 if (edma->m2m) 1363 sprintf(dma_clk_name, "m2m%u", i); 1364 else > 1365 sprintf(dma_clk_name, "m2p%u", i); 1366 1367 edmac->clk = devm_clk_get(dev, dma_clk_name); 1368 if (IS_ERR(edmac->clk)) { 1369 dev_err_probe(dev, PTR_ERR(edmac->clk), 1370 "no %s clock found\n", dma_clk_name); 1371 return ERR_CAST(edmac->clk); 1372 } 1373 1374 spin_lock_init(&edmac->lock); 1375 INIT_LIST_HEAD(&edmac->active); 1376 INIT_LIST_HEAD(&edmac->queue); 1377 INIT_LIST_HEAD(&edmac->free_list); 1378 tasklet_setup(&edmac->tasklet, ep93xx_dma_tasklet); 1379 1380 list_add_tail(&edmac->chan.device_node, 1381 &dma_dev->channels); 1382 } 1383 1384 return edma; 1385 } 1386 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
