[kbuild-all] [chrome-os:chromeos-5.4 39/76] drivers/remoteproc/mtk_scp.c:306:17: sparse: sparse: incorrect type in argument 2 (different address spaces)

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 4e186ff60c11535b22b7f81c85606260e363989f commit: 0b60154e37d6ff2e12c8fb52d7c715d61fd96a6a [39/76] FROMGIT: remoteproc/mediatek: Add support for mt8192 SCP config: riscv-randconfig-s031-20201113 (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 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: v0.6.3-107-gaf3512a6-dirty git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 0b60154e37d6ff2e12c8fb52d7c715d61fd96a6a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv 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 >>)" drivers/remoteproc/mtk_scp.c:306:17: sparse: got void *addr drivers/remoteproc/mtk_scp.c:307:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void *addr @@ drivers/remoteproc/mtk_scp.c:307:9: sparse: expected void volatile [noderef] <asn:2> *addr drivers/remoteproc/mtk_scp.c:307:9: sparse: got void *addr drivers/remoteproc/mtk_scp.c:314:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void *addr @@ drivers/remoteproc/mtk_scp.c:314:9: sparse: expected void volatile [noderef] <asn:2> *addr drivers/remoteproc/mtk_scp.c:314:9: sparse: got void *addr drivers/remoteproc/mtk_scp.c:316:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void *addr @@ drivers/remoteproc/mtk_scp.c:316:17: sparse: expected void volatile [noderef] <asn:2> *addr drivers/remoteproc/mtk_scp.c:316:17: sparse: got void *addr drivers/remoteproc/mtk_scp.c:326:9: sparse: sparse: undefined identifier 'dsb' drivers/remoteproc/mtk_scp.c:436:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> * @@ drivers/remoteproc/mtk_scp.c:437:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> * @@ drivers/remoteproc/mtk_scp.c:438:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> * @@ drivers/remoteproc/mtk_scp.c:439:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> * @@ drivers/remoteproc/mtk_scp.c:563:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] <asn:2> *cpu_addr @@ got void * @@ drivers/remoteproc/mtk_scp.c:576:56: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got void [noderef] <asn:2> *cpu_addr @@ vim +306 drivers/remoteproc/mtk_scp.c 300 301 static void mt8192_power_on_sram(void *addr) 302 { 303 int i; 304 305 for (i = 31; i >= 0; i--) 308 } 309 310 static void mt8192_power_off_sram(void *addr) 311 { 312 int i; 313 314 writel(0, addr); 315 for (i = 0; i < 32; i++) 316 writel(GENMASK(i, 0), addr); 317 } 318 319 static int mt8192_scp_before_load(struct mtk_scp *scp) 320 { 321 /* clear SPM interrupt, SCP2SPM_IPC_CLR */ 322 writel(0xff, scp->reg_base + MT8192_SCP2SPM_IPC_CLR); 323 324 writel(1, scp->reg_base + MT8192_CORE0_SW_RSTN_SET); 325 326 dsb(sy); 327 328 readl(scp->reg_base + MT8192_CORE0_SW_RSTN_SET); 329 330 /* enable SRAM clock */ 331 mt8192_power_on_sram(scp->reg_base + MT8192_L2TCM_SRAM_PD_0); 332 mt8192_power_on_sram(scp->reg_base + MT8192_L2TCM_SRAM_PD_1); 333 mt8192_power_on_sram(scp->reg_base + MT8192_L2TCM_SRAM_PD_2); 334 mt8192_power_on_sram(scp->reg_base + MT8192_L1TCM_SRAM_PDN); 335 mt8192_power_on_sram(scp->reg_base + MT8192_CPU0_SRAM_PD); 336 337 return 0; 338 } 339 340 static int scp_load(struct rproc *rproc, const struct firmware *fw) 341 { 342 struct mtk_scp *scp = rproc->priv; 343 struct device *dev = scp->dev; 344 int ret; 345 346 ret = clk_prepare_enable(scp->clk); 347 if (ret) { 348 dev_err(dev, "failed to enable clocks\n"); 349 return ret; 350 } 351 352 /* Hold SCP in reset while loading FW. */ 353 scp->data->scp_reset_assert(scp); 354 355 ret = scp->data->scp_before_load(scp); 356 if (ret < 0) 357 return ret; 358 359 ret = scp_elf_load_segments(rproc, fw); 360 clk_disable_unprepare(scp->clk); 361 362 return ret; 363 } 364 365 static int scp_start(struct rproc *rproc) 366 { 367 struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; 368 struct device *dev = scp->dev; 369 struct scp_run *run = &scp->run; 370 int ret; 371 372 ret = clk_prepare_enable(scp->clk); 373 if (ret) { 374 dev_err(dev, "failed to enable clocks\n"); 375 return ret; 376 } 377 378 run->signaled = false; 379 380 scp->data->scp_reset_deassert(scp); 381 382 ret = wait_event_interruptible_timeout( 383 run->wq, 384 run->signaled, 385 msecs_to_jiffies(2000)); 386 387 if (ret == 0) { 388 dev_err(dev, "wait SCP initialization timeout!\n"); 389 ret = -ETIME; 390 goto stop; 391 } 392 if (ret == -ERESTARTSYS) { 393 dev_err(dev, "wait SCP interrupted by a signal!\n"); 394 goto stop; 395 } 396 397 clk_disable_unprepare(scp->clk); 398 dev_info(dev, "SCP is ready. FW version %s\n", run->fw_ver); 399 400 return 0; 401 402 stop: 403 scp->data->scp_reset_assert(scp); 404 clk_disable_unprepare(scp->clk); 405 return ret; 406 } 407 408 static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len) 409 { 410 struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; 411 int offset; 412 413 if (da < scp->sram_size) { 414 offset = da; 415 if (offset >= 0 && (offset + len) < scp->sram_size) 416 return (void __force *)scp->sram_base + offset; 417 } else if (scp->dram_size) { 418 offset = da - scp->dma_addr; 419 if (offset >= 0 && (offset + len) < scp->dram_size) 420 return (void __force *)scp->cpu_addr + offset; 421 } 422 423 return NULL; 424 } 425 426 static void mt8183_scp_stop(struct mtk_scp *scp) 427 { 428 /* Disable SCP watchdog */ 429 writel(0, scp->reg_base + MT8183_WDT_CFG); 430 } 431 432 static void mt8192_scp_stop(struct mtk_scp *scp) 433 { 434 /* Disable SRAM clock */ 436 mt8192_power_off_sram(scp->reg_base + MT8192_L2TCM_SRAM_PD_1); 437 mt8192_power_off_sram(scp->reg_base + MT8192_L2TCM_SRAM_PD_2); 438 mt8192_power_off_sram(scp->reg_base + MT8192_L1TCM_SRAM_PDN); 439 mt8192_power_off_sram(scp->reg_base + MT8192_CPU0_SRAM_PD); 440 441 /* Disable SCP watchdog */ 442 writel(0, scp->reg_base + MT8192_CORE0_WDT_CFG); 443 } 444 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org