Re: [PATCH 6/8] mfd: max77714: Add driver for Maxim MAX77714 PMIC

From: Luca Ceresoli
Date: Wed Oct 13 2021 - 17:39:39 EST


Hi,

On 12/10/21 10:32, Krzysztof Kozlowski wrote:
> On 11/10/2021 17:56, Luca Ceresoli wrote:
>> Add a simple driver for the Maxim MAX77714 PMIC, supporting RTC and
>> watchdog only.
>>
>> Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
>> ---
>> MAINTAINERS | 2 +
>> drivers/mfd/Kconfig | 14 ++++
>> drivers/mfd/Makefile | 1 +
>> drivers/mfd/max77714.c | 151 +++++++++++++++++++++++++++++++++++
>> include/linux/mfd/max77714.h | 68 ++++++++++++++++
>> 5 files changed, 236 insertions(+)
>> create mode 100644 drivers/mfd/max77714.c
>> create mode 100644 include/linux/mfd/max77714.h
>>
>
> (...)
>
>> +
>> +static const struct of_device_id max77714_dt_match[] = {
>> + { .compatible = "maxim,max77714" },
>> + {},
>> +};
>
> When converting to module - don't forget the MODULE_DEVICE_TABLE
>
>> +
>> +static struct i2c_driver max77714_driver = {
>> + .driver = {
>> + .name = "max77714",
>> + .of_match_table = of_match_ptr(max77714_dt_match),
>
> Kbuild robot pointed it out - of_matc_ptr should not be needed, even for
> compile testing without OF.

I wonder whether it's better to add '#ifdef CONFIG_OF / #endif' around
the struct of_device_id declaration. I think it's what most drivers do,
even though I tend to prefer not adding #ifdefs making code less clean
only for COMPILE_TESTING.

--
Luca