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

+Tzung-Bi Shih <tzungbi(a)google.com&gt; +Pi-Hsun Shih <pihsun(a)google.com&gt; On Sat, Nov 14, 2020, 14:34 kernel test robot <lkp(a)intel.com&gt; wrote: > 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 > I didn't find "attached .config" (which shouldn't matter to the issue).

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: sparse: incorrect type in > argument 2 (different address spaces) @@ expected void volatile > [noderef] <asn:2> *addr @@ got void *addr @@ > >> drivers/remoteproc/mtk_scp.c:306:17: sparse: expected void > volatile [noderef] <asn:2> *addr > 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:435:45: sparse: sparse: incorrect type in > argument 1 (different address spaces) @@ expected void *addr @@ got > void [noderef] <asn:2> * @@ > 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--) > > 306 writel(GENMASK(i, 0), addr); > > 307 writel(0, addr); > 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 */ > > 435 mt8192_power_off_sram(scp->reg_base + > MT8192_L2TCM_SRAM_PD_0); > 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 > > -- > You received this message because you are subscribed to the Google Groups > "cros-kernel-buildreports" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to cros-kernel-buildreports+unsubscribe(a)googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cros-kernel-buildreports/202011141426.b... > . >