Hi Marc, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on iio/togreg] [also build test WARNING on v4.14-rc7 next-20171018] [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/Marc-CAPDEVILLE/iio-Add-cm3218-smbus-ara-and-acpi-support/20171030-195025 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: x86_64-randconfig-b0-10311428 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/iio/light/cm32181.c: In function 'cm32181_probe': drivers/iio/light/cm32181.c:424: error: 'clients' undeclared (first use in this function) drivers/iio/light/cm32181.c:424: error: (Each undeclared identifier is reported only once drivers/iio/light/cm32181.c:424: error: for each function it appears in.) >> drivers/iio/light/cm32181.c:391: warning: unused variable 'ara_setup' vim +/ara_setup +391 drivers/iio/light/cm32181.c 384 385 static int cm32181_probe(struct i2c_client *client, 386 const struct i2c_device_id *id) 387 { 388 struct cm32181_chip *cm32181; 389 struct iio_dev *indio_dev; 390 int ret; > 391 struct i2c_smbus_alert_setup ara_setup; 392 const struct of_device_id *of_id; 393 const struct acpi_device_id *acpi_id; 394 395 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*cm32181)); 396 if (!indio_dev) { 397 dev_err(&client->dev, "devm_iio_device_alloc failed\n"); 398 return -ENOMEM; 399 } 400 401 cm32181 = iio_priv(indio_dev); 402 i2c_set_clientdata(client, indio_dev); 403 cm32181->client = client; 404 405 mutex_init(&cm32181->lock); 406 indio_dev->dev.parent = &client->dev; 407 indio_dev->channels = cm32181_channels; 408 indio_dev->num_channels = ARRAY_SIZE(cm32181_channels); 409 indio_dev->info = &cm32181_info; 410 indio_dev->name = id->name; 411 indio_dev->modes = INDIO_DIRECT_MODE; 412 413 /* Lookup for chip ID from platform, acpi or of device table */ 414 if (id) { 415 cm32181->chip_id = id->driver_data; 416 } else if (ACPI_COMPANION(&client->dev)) { 417 acpi_id = acpi_match_device(client->dev.driver->acpi_match_table, 418 &client->dev); 419 if (!acpi_id) 420 return -ENODEV; 421 422 cm32181->chip_id = (kernel_ulong_t)acpi_id->driver_data; 423 } else if (client->dev.of_node) { > 424 of_id = > of_match_device(clients->dev.driver->of_match_table, 425 &client->dev); 426 if (!of_id) 427 return -ENODEV; 428 429 cm32181->chip_id = (kernel_ulong_t)of_id->data; 430 } else { 431 return -ENODEV; 432 } 433 434 if (cm32181->chip_id == CM3218_ID) { 435 if (client->addr == CM3218_ARA_ADDR) { 436 /* 437 * In case first address is the ARA device 438 * lookup for a second one in acpi resources if 439 * this client is enumerated on acpi 440 */ 441 ret = cm3218_acpi_get_address(client); 442 if (ret < 0) 443 return -ENODEV; 444 } 445 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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