Hi Gabriel, [auto build test WARNING on v4.4-rc2] [also build test WARNING on next-20151123] [cannot apply to robh/for-next]
url: https://github.com/0day-ci/linux/commits/Gabriel-L-Somlo/SysFS-driver-for-QEMU-fw_cfg-device/20151124-000402 config: arm-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): drivers/firmware/qemu_fw_cfg.c: In function 'fw_cfg_cmdline_set': >> drivers/firmware/qemu_fw_cfg.c:510:7: warning: format '%lli' expects >> argument of type 'long long int *', but argument 3 has type 'phys_addr_t *' >> [-Wformat=] &ctrl_off, &data_off, &consumed); ^ >> drivers/firmware/qemu_fw_cfg.c:510:7: warning: format '%lli' expects >> argument of type 'long long int *', but argument 5 has type 'resource_size_t >> *' [-Wformat=] drivers/firmware/qemu_fw_cfg.c:510:7: warning: format '%lli' expects argument of type 'long long int *', but argument 6 has type 'resource_size_t *' [-Wformat=] drivers/firmware/qemu_fw_cfg.c: In function 'fw_cfg_cmdline_get': >> drivers/firmware/qemu_fw_cfg.c:563:5: warning: format '%llx' expects >> argument of type 'long long unsigned int', but argument 4 has type >> 'resource_size_t' [-Wformat=] fw_cfg_cmdline_dev->resource[0].start); ^ drivers/firmware/qemu_fw_cfg.c:563:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 5 has type 'resource_size_t' [-Wformat=] drivers/firmware/qemu_fw_cfg.c:569:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' [-Wformat=] fw_cfg_cmdline_dev->resource[2].start); ^ drivers/firmware/qemu_fw_cfg.c:569:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 5 has type 'resource_size_t' [-Wformat=] >> drivers/firmware/qemu_fw_cfg.c:569:5: warning: format '%llu' expects >> argument of type 'long long unsigned int', but argument 6 has type >> 'resource_size_t' [-Wformat=] drivers/firmware/qemu_fw_cfg.c:569:5: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 7 has type 'resource_size_t' [-Wformat=] vim +510 drivers/firmware/qemu_fw_cfg.c 504 /* consume "<size>" portion of command line argument */ 505 size = memparse(arg, &str); 506 507 /* get "@<base>[:<ctrl_off>:<data_off>]" chunks */ 508 processed = sscanf(str, "@%lli%n:%lli:%lli%n", 509 &base, &consumed, > 510 &ctrl_off, &data_off, &consumed); 511 512 /* sscanf() must process precisely 1 or 3 chunks: 513 * <base> is mandatory, optionally followed by <ctrl_off> 514 * and <data_off>; 515 * there must be no extra characters after the last chunk, 516 * so str[consumed] must be '\0'. 517 */ 518 if (str[consumed] || 519 (processed != 1 && processed != 3)) 520 return -EINVAL; 521 522 res[0].start = base; 523 res[0].end = base + size - 1; 524 res[0].flags = !strcmp(kp->name, "mmio") ? IORESOURCE_MEM : 525 IORESOURCE_IO; 526 527 /* insert register offsets, if provided */ 528 if (processed > 1) { 529 res[1].name = "ctrl"; 530 res[1].start = ctrl_off; 531 res[1].flags = IORESOURCE_REG; 532 res[2].name = "data"; 533 res[2].start = data_off; 534 res[2].flags = IORESOURCE_REG; 535 } 536 537 /* "processed" happens to nicely match the number of resources 538 * we need to pass in to this platform device. 539 */ 540 fw_cfg_cmdline_dev = platform_device_register_simple("fw_cfg", 541 PLATFORM_DEVID_NONE, res, processed); 542 if (IS_ERR(fw_cfg_cmdline_dev)) 543 return PTR_ERR(fw_cfg_cmdline_dev); 544 545 return 0; 546 } 547 548 static int fw_cfg_cmdline_get(char *buf, const struct kernel_param *kp) 549 { 550 /* stay silent if device was not configured via the command 551 * line, or if the parameter name (ioport/mmio) doesn't match 552 * the device setting 553 */ 554 if (!fw_cfg_cmdline_dev || 555 (!strcmp(kp->name, "mmio") ^ 556 (fw_cfg_cmdline_dev->resource[0].flags == IORESOURCE_MEM))) 557 return 0; 558 559 switch (fw_cfg_cmdline_dev->num_resources) { 560 case 1: 561 return snprintf(buf, PAGE_SIZE, "0x%llx@0x%llx", 562 resource_size(&fw_cfg_cmdline_dev->resource[0]), > 563 fw_cfg_cmdline_dev->resource[0].start); 564 case 3: 565 return snprintf(buf, PAGE_SIZE, "0x%llx@0x%llx:%llu:%llu", 566 resource_size(&fw_cfg_cmdline_dev->resource[0]), 567 fw_cfg_cmdline_dev->resource[0].start, 568 fw_cfg_cmdline_dev->resource[1].start, > 569 fw_cfg_cmdline_dev->resource[2].start); 570 } 571 572 /* Should never get here */ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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