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SubjectRe: [PATCH] iio: adc: stm32-dfsdm: Add support for stm32mp1
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On 05/12/2018 11:33 AM, Jonathan Cameron wrote:
> On Mon, 7 May 2018 15:51:51 -0500
> Rob Herring <robh@kernel.org> wrote:
>
>> On Wed, May 02, 2018 at 03:05:23PM +0200, Fabrice Gasnier wrote:
>>> Add support for DFSDM (Digital Filter For Sigma Delta Modulators)
>>> to STM32MP1. This variant is close to STM32H7 DFSDM, it implements
>>> 6 filter instances. Registers map is also increased.
>>>
>>> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
>>> ---
>>> .../bindings/iio/adc/st,stm32-dfsdm-adc.txt | 7 +++++--
>>> drivers/iio/adc/stm32-dfsdm-core.c | 21 +++++++++++++++++++++
>>> 2 files changed, 26 insertions(+), 2 deletions(-)
>>
>> Reviewed-by: Rob Herring <robh@kernel.org>
> Applied. Whilst doing this I note that I'm getting a few sparse
> warnings for this driver that would be nice to clean up...
>
> CHECK drivers/iio/adc/stm32-dfsdm-adc.c
> drivers/iio/adc/stm32-dfsdm-adc.c:503:21: warning: expression using sizeof(void)
> drivers/iio/adc/stm32-dfsdm-adc.c:503:21: warning: expression using sizeof(void)
>
> Which is mystifying at first glance... Something deep and dirty in the min macro
> but I can't see what..

Hi Jonathan,

I just sent a patch to clean bellow warning. But this is more obscure
regarding min macro...

Many thanks,
Fabrice

>
> drivers/iio/adc/stm32-dfsdm-adc.c:680:5: warning: symbol 'stm32_dfsdm_get_buff_cb' was not declared. Should it be static?
> drivers/iio/adc/stm32-dfsdm-adc.c:703:5: warning: symbol 'stm32_dfsdm_release_buff_cb' was not declared. Should it be static?
>
> Are rather more obvious
>

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