tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 7 weeks ago config: parisc-randconfig-s032-20200808 (attached as .config) compiler: hppa-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: v0.6.2-118-ge1578773-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # 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=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/pci/endpoint/functions/pci-epf-test.c:288:24: sparse: sparse:
>> incorrect type in argument 1 (different address spaces) @@ expected void
>> *dest @@ got void [noderef] __iomem *[assigned] dst_addr @@
drivers/pci/endpoint/functions/pci-epf-test.c:288:24: sparse: expected
void *dest
drivers/pci/endpoint/functions/pci-epf-test.c:288:24: sparse: got void
[noderef] __iomem *[assigned] dst_addr
drivers/pci/endpoint/functions/pci-epf-test.c:288:34: sparse: sparse:
incorrect type in argument 2 (different address spaces) @@ expected void
const *src @@ got void [noderef] __iomem *[assigned] src_addr @@
drivers/pci/endpoint/functions/pci-epf-test.c:288:34: sparse: expected
void const *src
drivers/pci/endpoint/functions/pci-epf-test.c:288:34: sparse: got void
[noderef] __iomem *[assigned] src_addr
vim +288 drivers/pci/endpoint/functions/pci-epf-test.c
5893c2e5353bb9 Kishon Vijay Abraham I 2020-03-16 226
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 227 static int
pci_epf_test_copy(struct pci_epf_test *epf_test)
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 228 {
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 229 int ret;
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 230 bool use_dma;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 231 void __iomem *src_addr;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 232 void __iomem *dst_addr;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 233 phys_addr_t
src_phys_addr;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 234 phys_addr_t
dst_phys_addr;
5893c2e5353bb9 Kishon Vijay Abraham I 2020-03-16 235 struct timespec64
start, end;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 236 struct pci_epf *epf =
epf_test->epf;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 237 struct device *dev =
&epf->dev;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 238 struct pci_epc *epc =
epf->epc;
3235b994950d84 Kishon Vijay Abraham I 2017-08-18 239 enum pci_barno
test_reg_bar = epf_test->test_reg_bar;
3235b994950d84 Kishon Vijay Abraham I 2017-08-18 240 struct pci_epf_test_reg
*reg = epf_test->reg[test_reg_bar];
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 241
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 242 src_addr =
pci_epc_mem_alloc_addr(epc, &src_phys_addr, reg->size);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 243 if (!src_addr) {
798c0441bec8c4 Gustavo Pimentel 2018-05-14 244 dev_err(dev,
"Failed to allocate source address\n");
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 245 reg->status =
STATUS_SRC_ADDR_INVALID;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 246 ret = -ENOMEM;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 247 goto err;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 248 }
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 249
4494738de0d9dc Cyrille Pitchen 2018-01-30 250 ret =
pci_epc_map_addr(epc, epf->func_no, src_phys_addr, reg->src_addr,
4494738de0d9dc Cyrille Pitchen 2018-01-30 251
reg->size);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 252 if (ret) {
798c0441bec8c4 Gustavo Pimentel 2018-05-14 253 dev_err(dev,
"Failed to map source address\n");
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 254 reg->status =
STATUS_SRC_ADDR_INVALID;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 255 goto
err_src_addr;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 256 }
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 257
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 258 dst_addr =
pci_epc_mem_alloc_addr(epc, &dst_phys_addr, reg->size);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 259 if (!dst_addr) {
798c0441bec8c4 Gustavo Pimentel 2018-05-14 260 dev_err(dev,
"Failed to allocate destination address\n");
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 261 reg->status =
STATUS_DST_ADDR_INVALID;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 262 ret = -ENOMEM;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 263 goto
err_src_map_addr;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 264 }
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 265
4494738de0d9dc Cyrille Pitchen 2018-01-30 266 ret =
pci_epc_map_addr(epc, epf->func_no, dst_phys_addr, reg->dst_addr,
4494738de0d9dc Cyrille Pitchen 2018-01-30 267
reg->size);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 268 if (ret) {
798c0441bec8c4 Gustavo Pimentel 2018-05-14 269 dev_err(dev,
"Failed to map destination address\n");
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 270 reg->status =
STATUS_DST_ADDR_INVALID;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 271 goto
err_dst_addr;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 272 }
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 273
5893c2e5353bb9 Kishon Vijay Abraham I 2020-03-16 274 ktime_get_ts64(&start);
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 275 use_dma = !!(reg->flags
& FLAG_USE_DMA);
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 276 if (use_dma) {
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 277 if
(!epf_test->dma_supported) {
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 278
dev_err(dev, "Cannot transfer data using DMA\n");
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 279 ret =
-EINVAL;
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 280 goto
err_map_addr;
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 281 }
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 282
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 283 ret =
pci_epf_test_data_transfer(epf_test, dst_phys_addr,
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 284
src_phys_addr, reg->size);
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 285 if (ret)
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 286
dev_err(dev, "Data transfer failed\n");
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 287 } else {
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 @288
memcpy(dst_addr, src_addr, reg->size);
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 289 }
5893c2e5353bb9 Kishon Vijay Abraham I 2020-03-16 290 ktime_get_ts64(&end);
5893c2e5353bb9 Kishon Vijay Abraham I 2020-03-16 291
pci_epf_test_print_rate("COPY", reg->size, &start, &end, use_dma);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 292
5ebf3fc59bd20d Kishon Vijay Abraham I 2020-03-16 293 err_map_addr:
4494738de0d9dc Cyrille Pitchen 2018-01-30 294 pci_epc_unmap_addr(epc,
epf->func_no, dst_phys_addr);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 295
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 296 err_dst_addr:
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 297
pci_epc_mem_free_addr(epc, dst_phys_addr, dst_addr, reg->size);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 298
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 299 err_src_map_addr:
4494738de0d9dc Cyrille Pitchen 2018-01-30 300 pci_epc_unmap_addr(epc,
epf->func_no, src_phys_addr);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 301
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 302 err_src_addr:
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 303
pci_epc_mem_free_addr(epc, src_phys_addr, src_addr, reg->size);
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 304
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 305 err:
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 306 return ret;
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 307 }
349e7a85b25fa6 Kishon Vijay Abraham I 2017-03-27 308
:::::: The code at line 288 was first introduced by commit
:::::: 349e7a85b25fa6ee82902d9be2cc5f3bec815120 PCI: endpoint: functions: Add
an EP function to test PCI
:::::: TO: Kishon Vijay Abraham I <kis...@ti.com>
:::::: CC: Bjorn Helgaas <bhelg...@google.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
