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SubjectRe: [PATCH 3/3] iio: adc: max1363: Add device tree binding
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On 21/06/16 12:44, kbuild test robot wrote:
> Hi,
>
Hi Florian,

Usual way around this is to make the devicetree pointers true pointers by
providing the address of the array member instead of it's index.

Only requires a slight rework of what you have.

Jonathan
> [auto build test WARNING on iio/togreg]
> [cannot apply to v4.7-rc4 next-20160621]
> [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-adc-max1363-Fix-missing-parts-and-add-device-tree/20160621-174542
> base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
> config: x86_64-allmodconfig (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/adc/max1363.c: In function 'max1363_probe':
>>> drivers/iio/adc/max1363.c:1578:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> devid = (int)of_device_get_match_data(&client->dev);
> ^
>
> vim +1578 drivers/iio/adc/max1363.c
>
> 1562 };
> 1563 #endif
> 1564
> 1565 static int max1363_probe(struct i2c_client *client,
> 1566 const struct i2c_device_id *id)
> 1567 {
> 1568 int ret;
> 1569 struct max1363_state *st;
> 1570 struct iio_dev *indio_dev;
> 1571 struct regulator *vref;
> 1572 unsigned long devid;
> 1573 const struct of_device_id *match;
> 1574
> 1575 match = of_match_device(of_match_ptr(max1363_of_match),
> 1576 &client->dev);
> 1577 if (match)
>> 1578 devid = (int)of_device_get_match_data(&client->dev);
> 1579 else
> 1580 devid = id->driver_data;
> 1581
> 1582 indio_dev = devm_iio_device_alloc(&client->dev,
> 1583 sizeof(struct max1363_state));
> 1584 if (!indio_dev)
> 1585 return -ENOMEM;
> 1586
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>

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