[kbuild-all] sound/soc/mediatek/common/mtk-btcvsd.c:1367:30: sparse: sparse: incorrect type in assignment (different address spaces)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5d9f4cf36721aba199975a9be7863a3ff5cd4b59 commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver date: 3 months ago config: alpha-randconfig-s032-20211117 (https://download.01.org/0day-ci/archive/20211124/202111241027.0fQlO8F3-lk...) compiler: alpha-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6746cc858259985a945a07075a19ec4d24352407 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) sound/soc/mediatek/common/mtk-btcvsd.c:1367:30: sparse: expected unsigned int [usertype] *bt_reg_pkt_r sound/soc/mediatek/common/mtk-btcvsd.c:1367:30: sparse: got void [noderef] __iomem * sound/soc/mediatek/common/mtk-btcvsd.c:1369:30: sparse: expected unsigned int [usertype] *bt_reg_pkt_w sound/soc/mediatek/common/mtk-btcvsd.c:1369:30: sparse: got void [noderef] __iomem * sound/soc/mediatek/common/mtk-btcvsd.c:1371:28: sparse: expected unsigned int [usertype] *bt_reg_ctl sound/soc/mediatek/common/mtk-btcvsd.c:1371:28: sparse: got void [noderef] __iomem * vim +1367 sound/soc/mediatek/common/mtk-btcvsd.c 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1281 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1282 static int mtk_btcvsd_snd_probe(struct platform_device *pdev) 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1283 { b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1284 int ret; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1285 int irq_id; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1286 u32 offset[5] = {0, 0, 0, 0, 0}; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1287 struct mtk_btcvsd_snd *btcvsd; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1288 struct device *dev = &pdev->dev; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1289 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1290 /* init btcvsd private data */ 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1291 btcvsd = devm_kzalloc(dev, sizeof(*btcvsd), GFP_KERNEL); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1292 if (!btcvsd) 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1293 return -ENOMEM; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1294 platform_set_drvdata(pdev, btcvsd); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1295 btcvsd->dev = dev; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1296 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1297 /* init tx/rx */ 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1298 btcvsd->rx = devm_kzalloc(btcvsd->dev, sizeof(*btcvsd->rx), GFP_KERNEL); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1299 if (!btcvsd->rx) 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1300 return -ENOMEM; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1301 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1302 btcvsd->tx = devm_kzalloc(btcvsd->dev, sizeof(*btcvsd->tx), GFP_KERNEL); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1303 if (!btcvsd->tx) 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1304 return -ENOMEM; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1305 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1306 spin_lock_init(&btcvsd->tx_lock); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1307 spin_lock_init(&btcvsd->rx_lock); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1308 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1309 init_waitqueue_head(&btcvsd->tx_wait); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1310 init_waitqueue_head(&btcvsd->rx_wait); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1311 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1312 mtk_btcvsd_snd_tx_init(btcvsd); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1313 mtk_btcvsd_snd_rx_init(btcvsd); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1314 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1315 /* irq */ 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1316 irq_id = platform_get_irq(pdev, 0); cf9441adb1a355 Stephen Boyd 2019-07-30 1317 if (irq_id <= 0) 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1318 return irq_id < 0 ? irq_id : -ENXIO; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1319 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1320 ret = devm_request_irq(dev, irq_id, mtk_btcvsd_snd_irq_handler, 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1321 IRQF_TRIGGER_LOW, "BTCVSD_ISR_Handle", 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1322 (void *)btcvsd); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1323 if (ret) { 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1324 dev_err(dev, "could not request_irq for BTCVSD_ISR_Handle\n"); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1325 return ret; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1326 } 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1327 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1328 btcvsd->irq_id = irq_id; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1329 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1330 /* iomap */ 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1331 btcvsd->bt_pkv_base = of_iomap(dev->of_node, 0); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1332 if (!btcvsd->bt_pkv_base) { 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1333 dev_err(dev, "iomap bt_pkv_base fail\n"); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1334 return -EIO; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1335 } 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1336 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1337 btcvsd->bt_sram_bank2_base = of_iomap(dev->of_node, 1); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1338 if (!btcvsd->bt_sram_bank2_base) { 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1339 dev_err(dev, "iomap bt_sram_bank2_base fail\n"); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1340 ret = -EIO; b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1341 goto unmap_pkv_err; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1342 } 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1343 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1344 btcvsd->infra = syscon_regmap_lookup_by_phandle(dev->of_node, 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1345 "mediatek,infracfg"); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1346 if (IS_ERR(btcvsd->infra)) { 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1347 dev_err(dev, "cannot find infra controller: %ld\n", 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1348 PTR_ERR(btcvsd->infra)); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1349 ret = PTR_ERR(btcvsd->infra); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1350 goto unmap_bank2_err; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1351 } 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1352 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1353 /* get offset */ 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1354 ret = of_property_read_u32_array(dev->of_node, "mediatek,offset", 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1355 offset, 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1356 ARRAY_SIZE(offset)); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1357 if (ret) { 766cc4965a3a2a Colin Ian King 2019-02-04 1358 dev_warn(dev, "%s(), get offset fail, ret %d\n", __func__, ret); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1359 goto unmap_bank2_err; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1360 } 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1361 btcvsd->infra_misc_offset = offset[0]; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1362 btcvsd->conn_bt_cvsd_mask = offset[1]; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1363 btcvsd->cvsd_mcu_read_offset = offset[2]; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1364 btcvsd->cvsd_mcu_write_offset = offset[3]; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1365 btcvsd->cvsd_packet_indicator = offset[4]; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1366 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @1367 btcvsd->bt_reg_pkt_r = btcvsd->bt_pkv_base + 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1368 btcvsd->cvsd_mcu_read_offset; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @1369 btcvsd->bt_reg_pkt_w = btcvsd->bt_pkv_base + 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1370 btcvsd->cvsd_mcu_write_offset; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @1371 btcvsd->bt_reg_ctl = btcvsd->bt_pkv_base + 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1372 btcvsd->cvsd_packet_indicator; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1373 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1374 /* init state */ 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1375 mtk_btcvsd_snd_set_state(btcvsd, btcvsd->tx, BT_SCO_STATE_IDLE); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1376 mtk_btcvsd_snd_set_state(btcvsd, btcvsd->rx, BT_SCO_STATE_IDLE); 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1377 b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1378 ret = devm_snd_soc_register_component(dev, &mtk_btcvsd_snd_platform, 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1379 NULL, 0); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1380 if (ret) b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1381 goto unmap_bank2_err; b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1382 b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1383 return 0; b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1384 b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1385 unmap_bank2_err: b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1386 iounmap(btcvsd->bt_sram_bank2_base); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1387 unmap_pkv_err: b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1388 iounmap(btcvsd->bt_pkv_base); b6052c3c7a78f5 Christophe JAILLET 2021-06-06 1389 return ret; 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1390 } 4bd8597dc36c37 KaiChieh Chuang 2019-01-30 1391 :::::: The code at line 1367 was first introduced by commit :::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver :::::: TO: KaiChieh Chuang <kaichieh.chuang(a)mediatek.com&gt; :::::: CC: Mark Brown <broonie(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org