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SubjectRe: [PATCH 2/2] power: surface3_power: MSHW0011 rev-eng implementation
On Jul 30 2016 or thereabouts, kbuild test robot wrote:
> Hi,
>
> [auto build test ERROR on battery/master]
> [also build test ERROR on v4.7 next-20160729]
> [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/Benjamin-Tissoires/Add-support-for-Microsoft-Surface-3-power/20160729-235348
> base: git://git.infradead.org/battery-2.6.git master
> config: tile-allyesconfig (attached as .config)
> compiler: tilegx-linux-gcc (GCC) 4.6.2
> 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=tile

I guess adding depends on ACPI in the Kconfig should prevent those
architectures to be compiled as a target.

Will submit a v2 when I get around the issues raised by Lv in 1/2
regarding the ACPICA bits.

Cheers,
Benjamin

>
> All errors (new ones prefixed by >>):
>
> drivers/power/surface3_power.c:52:52: error: expected ')' before 'bool'
> drivers/power/surface3_power.c:54:4: error: expected ')' before string constant
> drivers/power/surface3_power.c: In function 'mshw0011_notify':
> drivers/power/surface3_power.c:199:2: error: implicit declaration of function 'acpi_bus_get_device'
> drivers/power/surface3_power.c:202:2: error: implicit declaration of function 'acpi_evaluate_dsm_typed'
> drivers/power/surface3_power.c:202:6: warning: assignment makes pointer from integer without a cast [enabled by default]
> drivers/power/surface3_power.c: In function 'mshw0011_space_handler':
> drivers/power/surface3_power.c:441:23: error: 'ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS' undeclared (first use in this function)
> drivers/power/surface3_power.c:441:23: note: each undeclared identifier is reported only once for each function it appears in
> drivers/power/surface3_power.c: In function 'mshw0011_install_space_handler':
> drivers/power/surface3_power.c:511:2: error: implicit declaration of function 'acpi_bus_attach_private_data'
> drivers/power/surface3_power.c:524:3: error: implicit declaration of function 'acpi_bus_detach_private_data'
> drivers/power/surface3_power.c:529:2: error: implicit declaration of function 'acpi_walk_dep_device_list'
> drivers/power/surface3_power.c: In function 'mshw0011_remove_space_handler':
> drivers/power/surface3_power.c:548:2: error: implicit declaration of function 'acpi_bus_get_private_data'
> drivers/power/surface3_power.c: In function 'mshw0011_i2c_resource_lookup':
> drivers/power/surface3_power.c:582:2: error: implicit declaration of function 'acpi_dev_get_resources'
> drivers/power/surface3_power.c:586:2: error: implicit declaration of function 'acpi_dev_free_resource_list'
> drivers/power/surface3_power.c:571:21: warning: unused variable 'client'
> drivers/power/surface3_power.c: At top level:
> drivers/power/surface3_power.c:701:1: warning: data definition has no type or storage class [enabled by default]
> drivers/power/surface3_power.c:701:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE'
> drivers/power/surface3_power.c:701:1: warning: parameter names (without types) in function declaration [enabled by default]
> drivers/power/surface3_power.c:720:1: warning: data definition has no type or storage class [enabled by default]
> >> drivers/power/surface3_power.c:720:1: error: type defaults to 'int' in declaration of 'module_init'
> drivers/power/surface3_power.c:720:1: warning: parameter names (without types) in function declaration [enabled by default]
> drivers/power/surface3_power.c:720:1: warning: data definition has no type or storage class [enabled by default]
> >> drivers/power/surface3_power.c:720:1: error: type defaults to 'int' in declaration of 'module_exit'
> drivers/power/surface3_power.c:720:1: warning: parameter names (without types) in function declaration [enabled by default]
> drivers/power/surface3_power.c:722:15: error: expected declaration specifiers or '...' before string constant
> drivers/power/surface3_power.c:723:20: error: expected declaration specifiers or '...' before string constant
> drivers/power/surface3_power.c:724:16: error: expected declaration specifiers or '...' before string constant
> drivers/power/surface3_power.c:720:1: warning: 'mshw0011_driver_init' defined but not used
> cc1: some warnings being treated as errors
>
> vim +720 drivers/power/surface3_power.c
>
> 565 return 1;
> 566 }
> 567
> 568 static int mshw0011_i2c_resource_lookup(struct mshw0011_data *cdata,
> 569 unsigned int index)
> 570 {
> > 571 struct i2c_client *client = cdata->adp1;
> 572 struct acpi_device *adev = ACPI_COMPANION(&client->dev);
> 573 struct mshw0011_lookup lookup = {
> 574 .cdata = cdata,
> 575 .index = index,
> 576 };
> 577 struct list_head res_list;
> 578 int ret;
> 579
> 580 INIT_LIST_HEAD(&res_list);
> 581
> > 582 ret = acpi_dev_get_resources(adev, &res_list, acpi_find_i2c, &lookup);
> 583 if (ret < 0)
> 584 return ret;
> 585
> 586 acpi_dev_free_resource_list(&res_list);
> 587
> 588 if (!lookup.addr)
> 589 return -ENOENT;
> 590
> 591 return lookup.addr;
> 592 }
> 593
> 594 static void mshw0011_dump_registers(struct i2c_client *client,
> 595 struct i2c_client *bat0, u8 max)
> 596 {
> 597 char rd_buf[60];
> 598 int error, i, c;
> 599 char buff[17 * 3 * 2] = {0};
> 600
> 601 dev_info(&client->dev, "dumping registers 0x00 to 0x%02x:\n",
> 602 (max - 1) / 0x20 * 0x20 + 0x1f);
> 603
> 604 for (i = 0; i < max; i += 0x20) {
> 605 memset(rd_buf, 0, sizeof(rd_buf));
> 606 error = mshw0011_i2c_read_block(bat0, i, rd_buf, 0x20);
> 607 dev_info(&client->dev, " read 0x%02x: %*ph|%*ph\n",
> 608 i,
> 609 0x10, rd_buf,
> 610 0x10, rd_buf + 0x10);
> 611 for (c = 0; c < 0x20; c++) {
> 612 if (rd_buf[c] >= 0x20 && rd_buf[c] <= 0x7e) {
> 613 buff[c * 3 + 0] = ' ';
> 614 buff[c * 3 + 1] = rd_buf[c];
> 615 } else {
> 616 buff[c * 3 + 0] = '-';
> 617 buff[c * 3 + 1] = '-';
> 618 }
> 619 buff[c * 3 + 2] = (c + 1) % 0x10 ? ' ' : '|';
> 620 }
> 621 buff[0x1f * 3 + 2] = '\0';
> 622 dev_info(&client->dev, "ascii 0x%02x: %s\n", i, buff);
> 623 }
> 624 }
> 625
> 626 static int mshw0011_probe(struct i2c_client *client,
> 627 const struct i2c_device_id *id)
> 628 {
> 629 struct device *dev = &client->dev;
> 630 struct i2c_client *bat0;
> 631 struct mshw0011_data *data;
> 632 int error, version, addr;
> 633
> 634 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
> 635 if (!data)
> 636 return -ENOMEM;
> 637
> 638 data->adp1 = client;
> 639 i2c_set_clientdata(client, data);
> 640
> 641 addr = mshw0011_i2c_resource_lookup(data, 1);
> 642 if (addr < 0)
> 643 return addr;
> 644
> 645 bat0 = i2c_new_dummy(client->adapter, addr);
> 646 if (!bat0)
> 647 return -ENOMEM;
> 648
> 649 data->bat0 = bat0;
> 650 i2c_set_clientdata(bat0, data);
> 651
> 652 if (dump_registers) {
> 653 mshw0011_dump_registers(client, client, 0xFF);
> 654 mshw0011_dump_registers(client, bat0, 0x80);
> 655 }
> 656
> 657 error = mshw0011_notify(data, 1, MSHW0011_NOTIFY_GET_VERSION, &version);
> 658 if (error)
> 659 goto out_err;
> 660
> 661 data->notify_version = version == MSHW0011_EV_2_5;
> 662
> 663 data->poll_task = kthread_run(mshw0011_poll_task, data, "mshw0011_adp");
> 664 if (IS_ERR(data->poll_task)) {
> 665 error = PTR_ERR(data->poll_task);
> 666 dev_err(&client->dev, "Unable to run kthread err %d\n", error);
> 667 goto out_err;
> 668 }
> 669
> 670 error = mshw0011_install_space_handler(client);
> 671 if (error)
> 672 goto out_err;
> 673
> 674 return 0;
> 675
> 676 out_err:
> 677 if (data->kthread_running)
> 678 kthread_stop(data->poll_task);
> 679 i2c_unregister_device(data->bat0);
> 680 return error;
> 681 }
> 682
> 683 static int mshw0011_remove(struct i2c_client *client)
> 684 {
> 685 struct mshw0011_data *cdata = i2c_get_clientdata(client);
> 686
> 687 mshw0011_remove_space_handler(client);
> 688
> 689 if (cdata->kthread_running)
> 690 kthread_stop(cdata->poll_task);
> 691
> 692 i2c_unregister_device(cdata->bat0);
> 693
> 694 return 0;
> 695 }
> 696
> 697 static const struct i2c_device_id mshw0011_id[] = {
> 698 { "MSHW0011:00", 0 },
> 699 { }
> 700 };
> 701 MODULE_DEVICE_TABLE(i2c, mshw0011_id);
> 702
> 703 #ifdef CONFIG_ACPI
> 704 static const struct acpi_device_id mshw0011_acpi_match[] = {
> 705 { "MSHW0011", 0 },
> 706 { }
> 707 };
> 708 MODULE_DEVICE_TABLE(acpi, mshw0011_acpi_match);
> 709 #endif
> 710
> 711 static struct i2c_driver mshw0011_driver = {
> 712 .probe = mshw0011_probe,
> 713 .remove = mshw0011_remove,
> 714 .id_table = mshw0011_id,
> 715 .driver = {
> 716 .name = "mshw0011",
> 717 .acpi_match_table = ACPI_PTR(mshw0011_acpi_match),
> 718 },
> 719 };
> > 720 module_i2c_driver(mshw0011_driver);
> 721
> 722 MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
> 723 MODULE_DESCRIPTION("mshw0011 driver");
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation


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