Hi Philipp, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on v4.15 next-20180126] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Philipp-Rossak/IIO-based-thermal-sensor-driver-for-Allwinner-H3-and-A83T-SoC/20180201-043415 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/iio/adc/sun4i-gpadc-iio.c:608:53: sparse: cast to restricted __be32 >> drivers/iio/adc/sun4i-gpadc-iio.c:608:53: sparse: cast to restricted __be32 >> drivers/iio/adc/sun4i-gpadc-iio.c:608:53: sparse: cast to restricted __be32 >> drivers/iio/adc/sun4i-gpadc-iio.c:608:53: sparse: cast to restricted __be32 >> drivers/iio/adc/sun4i-gpadc-iio.c:608:53: sparse: cast to restricted __be32 >> drivers/iio/adc/sun4i-gpadc-iio.c:608:53: sparse: cast to restricted __be32 drivers/iio/adc/sun4i-gpadc-iio.c:613:53: sparse: cast to restricted __be32 drivers/iio/adc/sun4i-gpadc-iio.c:613:53: sparse: cast to restricted __be32 drivers/iio/adc/sun4i-gpadc-iio.c:613:53: sparse: cast to restricted __be32 drivers/iio/adc/sun4i-gpadc-iio.c:613:53: sparse: cast to restricted __be32 drivers/iio/adc/sun4i-gpadc-iio.c:613:53: sparse: cast to restricted __be32 drivers/iio/adc/sun4i-gpadc-iio.c:613:53: sparse: cast to restricted __be32 vim +608 drivers/iio/adc/sun4i-gpadc-iio.c 564 565 static int sun4i_gpadc_probe_dt(struct platform_device *pdev, 566 struct iio_dev *indio_dev) 567 { 568 struct sun4i_gpadc_iio *info = iio_priv(indio_dev); 569 struct resource *mem; 570 void __iomem *base; 571 int ret; 572 struct nvmem_cell *cell; 573 ssize_t cell_size; 574 u64 *cell_data; 575 576 info->data = of_device_get_match_data(&pdev->dev); 577 if (!info->data) 578 return -ENODEV; 579 580 info->no_irq = true; 581 indio_dev->num_channels = ARRAY_SIZE(sun8i_a33_gpadc_channels); 582 indio_dev->channels = sun8i_a33_gpadc_channels; 583 584 mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); 585 base = devm_ioremap_resource(&pdev->dev, mem); 586 if (IS_ERR(base)) 587 return PTR_ERR(base); 588 589 info->has_calibration_data[0] = false; 590 info->has_calibration_data[1] = false; 591 592 if (!info->data->supports_nvmem) 593 goto no_nvmem; 594 595 cell = nvmem_cell_get(&pdev->dev, "calibration"); 596 if (IS_ERR(cell)) { 597 if (PTR_ERR(cell) == -EPROBE_DEFER) 598 return PTR_ERR(cell); 599 goto no_nvmem; 600 } 601 602 cell_data = (u64 *)nvmem_cell_read(cell, &cell_size); 603 nvmem_cell_put(cell); 604 switch (cell_size) { 605 case 8: 606 case 6: 607 info->has_calibration_data[1] = true; > 608 info->calibration_data[1] = be32_to_cpu( 609 upper_32_bits(cell_data[0])); 610 case 4: 611 case 2: 612 info->has_calibration_data[0] = true; 613 info->calibration_data[0] = be32_to_cpu( 614 lower_32_bits(cell_data[0])); 615 break; 616 default: 617 break; 618 } 619 620 no_nvmem: 621 622 info->regmap = devm_regmap_init_mmio(&pdev->dev, base, 623 &sun4i_gpadc_regmap_config); 624 if (IS_ERR(info->regmap)) { 625 ret = PTR_ERR(info->regmap); 626 dev_err(&pdev->dev, "failed to init regmap: %d\n", ret); 627 return ret; 628 } 629 630 if (info->data->has_bus_rst) { 631 info->reset = devm_reset_control_get(&pdev->dev, NULL); 632 if (IS_ERR(info->reset)) { 633 ret = PTR_ERR(info->reset); 634 return ret; 635 } 636 637 ret = reset_control_deassert(info->reset); 638 if (ret) 639 return ret; 640 } 641 642 if (info->data->has_bus_clk) { 643 info->bus_clk = devm_clk_get(&pdev->dev, "bus"); 644 if (IS_ERR(info->bus_clk)) { 645 ret = PTR_ERR(info->bus_clk); 646 goto assert_reset; 647 } 648 649 ret = clk_prepare_enable(info->bus_clk); 650 if (ret) 651 goto assert_reset; 652 } 653 654 if (info->data->has_mod_clk) { 655 info->mod_clk = devm_clk_get(&pdev->dev, "mod"); 656 if (IS_ERR(info->mod_clk)) { 657 ret = PTR_ERR(info->mod_clk); 658 goto disable_bus_clk; 659 } 660 661 /* Running at 6MHz */ 662 ret = clk_set_rate(info->mod_clk, 4000000); 663 if (ret) 664 goto disable_bus_clk; 665 666 ret = clk_prepare_enable(info->mod_clk); 667 if (ret) 668 goto disable_bus_clk; 669 } 670 671 if (IS_ENABLED(CONFIG_THERMAL_OF)) 672 info->sensor_device = &pdev->dev; 673 674 return 0; 675 676 disable_bus_clk: 677 clk_disable_unprepare(info->bus_clk); 678 679 assert_reset: 680 reset_control_assert(info->reset); 681 682 return ret; 683 } 684 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
