Hi, I love your patch! Perhaps something to improve: [auto build test WARNING on wsa/i2c/for-next] [also build test WARNING on robh/for-next linus/master v6.2-rc4 next-20230120] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/nick-hawkins-hpe-com/i2c-hpe-Add-GXP-SoC-I2C-Controller/20230121-030628 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next patch link: https://lore.kernel.org/r/20230120190159.23459-2-nick.hawkins%40hpe.com patch subject: [PATCH v3 1/5] i2c: hpe: Add GXP SoC I2C Controller config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230121/202301210607.KSWIWehq-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/944feebf5cf838fc72fae192e832e5fc96d1cad9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review nick-hawkins-hpe-com/i2c-hpe-Add-GXP-SoC-I2C-Controller/20230121-030628 git checkout 944feebf5cf838fc72fae192e832e5fc96d1cad9 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/i2c/busses/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/i2c/busses/i2c-gxp.c: In function 'gxp_i2c_probe': >> drivers/i2c/busses/i2c-gxp.c:533:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 533 | drvdata->engine = ((u32)drvdata->base & 0xf00) >> 8; | ^ vim +533 drivers/i2c/busses/i2c-gxp.c 499 500 static int gxp_i2c_probe(struct platform_device *pdev) 501 { 502 struct gxp_i2c_drvdata *drvdata; 503 int rc; 504 struct i2c_adapter *adapter; 505 506 if (!i2c_global_init_done) { 507 i2cg_map = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, 508 "hpe,sysreg"); 509 if (IS_ERR(i2cg_map)) { 510 return dev_err_probe(&pdev->dev, IS_ERR(i2cg_map), 511 "failed to map i2cg_handle\n"); 512 } 513 514 /* Disable interrupt */ 515 regmap_update_bits(i2cg_map, GXP_I2CINTEN, 0x00000FFF, 0); 516 i2c_global_init_done = true; 517 } 518 519 drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), 520 GFP_KERNEL); 521 if (!drvdata) 522 return -ENOMEM; 523 524 platform_set_drvdata(pdev, drvdata); 525 drvdata->dev = &pdev->dev; 526 init_completion(&drvdata->completion); 527 528 drvdata->base = devm_platform_ioremap_resource(pdev, 0); 529 if (IS_ERR(drvdata->base)) 530 return PTR_ERR(drvdata->base); 531 532 /* Use physical memory address to determine which I2C engine this is. */ > 533 drvdata->engine = ((u32)drvdata->base & 0xf00) >> 8; 534 535 if (drvdata->engine >= GXP_MAX_I2C_ENGINE) { 536 return dev_err_probe(&pdev->dev, -EINVAL, "i2c engine% is unsupported\n", 537 drvdata->engine); 538 } 539 540 rc = platform_get_irq(pdev, 0); 541 if (rc < 0) 542 return rc; 543 544 drvdata->irq = rc; 545 rc = devm_request_irq(&pdev->dev, drvdata->irq, gxp_i2c_irq_handler, 546 IRQF_SHARED, gxp_i2c_name[drvdata->engine], drvdata); 547 if (rc < 0) 548 return dev_err_probe(&pdev->dev, rc, "irq request failed\n"); 549 550 i2c_parse_fw_timings(&pdev->dev, &drvdata->t, true); 551 552 gxp_i2c_init(drvdata); 553 554 /* Enable interrupt */ 555 regmap_update_bits(i2cg_map, GXP_I2CINTEN, BIT(drvdata->engine), 556 BIT(drvdata->engine)); 557 558 adapter = &drvdata->adapter; 559 i2c_set_adapdata(adapter, drvdata); 560 561 adapter->owner = THIS_MODULE; 562 strscpy(adapter->name, "HPE GXP I2C adapter", sizeof(adapter->name)); 563 adapter->algo = &gxp_i2c_algo; 564 adapter->dev.parent = &pdev->dev; 565 adapter->dev.of_node = pdev->dev.of_node; 566 567 rc = i2c_add_adapter(adapter); 568 if (rc) 569 return dev_err_probe(&pdev->dev, rc, "i2c add adapter failed\n"); 570 571 return 0; 572 } 573 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests