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    SubjectRe: [PATCH 3/3] iio: potentiometer: mcp4531: Add device tree binding
    Hi,

    [auto build test WARNING on iio/togreg]
    [also build test WARNING on v4.7-rc4 next-20160620]
    [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/Florian-Vaussard/iio-potentiometer-mcp4531-New-parts-and-device-tree/20160621-150032
    base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
    config: x86_64-randconfig-i0-201625 (attached as .config)
    compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
    reproduce:
    # save the attached .config to linux build tree
    make ARCH=x86_64

    All warnings (new ones prefixed by >>):

    drivers/iio/potentiometer/mcp4531.c: In function 'mcp4531_probe':
    >> drivers/iio/potentiometer/mcp4531.c:280:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    devid = (int)of_device_get_match_data(dev);
    ^

    vim +280 drivers/iio/potentiometer/mcp4531.c

    264 const struct i2c_device_id *id)
    265 {
    266 struct device *dev = &client->dev;
    267 unsigned long devid;
    268 struct mcp4531_data *data;
    269 struct iio_dev *indio_dev;
    270 const struct of_device_id *match;
    271
    272 if (!i2c_check_functionality(client->adapter,
    273 I2C_FUNC_SMBUS_WORD_DATA)) {
    274 dev_err(dev, "SMBUS Word Data not supported\n");
    275 return -EOPNOTSUPP;
    276 }
    277
    278 match = of_match_device(of_match_ptr(mcp45xx_of_match), dev);
    279 if (match)
    > 280 devid = (int)of_device_get_match_data(dev);
    281 else
    282 devid = id->driver_data;
    283
    284 indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
    285 if (!indio_dev)
    286 return -ENOMEM;
    287 data = iio_priv(indio_dev);
    288 i2c_set_clientdata(client, indio_dev);

    ---
    0-DAY kernel test infrastructure Open Source Technology Center
    https://lists.01.org/pipermail/kbuild-all Intel Corporation
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