Re: [PATCH v3 3/3] iio: adc: ad9467: drop kernel.h in favor of array_size.h

From: Tomas Melin
Date: Mon Dec 08 2025 - 10:42:14 EST


Hi,

On 08/12/2025 15:20, Andy Shevchenko wrote:
> On Mon, Dec 08, 2025 at 12:30:59PM +0000, Tomas Melin wrote:
>> No need to include the entire kernel.h when the only thing needed
>> is the ARRAY_SIZE macro.
>
> ARRAY_SIZE().
>
> ...
>
>
>> --- a/drivers/iio/adc/ad9467.c
>> +++ b/drivers/iio/adc/ad9467.c
>> @@ -12,7 +12,7 @@
>> #include <linux/module.h>
>> #include <linux/mutex.h>
>> #include <linux/device.h>
>> -#include <linux/kernel.h>
>> +#include <linux/array_size.h>
>> #include <linux/slab.h>
>> #include <linux/spi/spi.h>
>> #include <linux/seq_file.h>
>
> Please, keep them sorted.
These were unfortunately not sorted to start with.

>
> ...
>
> While this change is almost (*) okay per se, I think we can address more
> while at it.
> - Make the header inclusions ordered (also fix the location of clk.h)
> - drop other proxy (device.h) or unneeded headers (bitops.h as it's implied by bitmap.h)
> - add missing ones (dev_printk.h, device/devres.h, ...)

As this change (kernel.h) does not seem at all as straightforward as I
envisoned based on your initial request, I will likely change this patch
to instead just sort the headers. Reworking the includes is separate
topic from the intent of this patch series.

Thanks,
Tomas




>
> (*) no, kernel.h provides more for this driver, for example, your patch
> misses types.h.
>