Re: [PATCH v2 0/3] iio: light: al3xxx: add missing REGMAP_I2C to Kconfig entries

From: Andy Shevchenko

Date: Fri Jun 26 2026 - 08:27:45 EST


On Thu, Jun 25, 2026 at 09:38:07PM +0200, Joshua Crofts wrote:
> This series adds REGMAP_I2C support to three AL3xxx ambient light
> sensors that were previously missing this dependency, causing build
> failures.
>
> To reproduce the build failure, run `make allnoconfig` and `make menuconfig`
> in which you select IIO, I2C and any AL3xxx sensor and `make .` will
> fail with errors such as:
>
> drivers/iio/light/al3010.c: In function ‘al3010_probe’:
> drivers/iio/light/al3010.c:185:24: error: implicit declaration of function ‘devm_regmap_init_i2c’ [-Wimplicit-function-declaration]
> 185 | data->regmap = devm_regmap_init_i2c(client, &al3010_regmap_config);
> | ^~~~~~~~~~~~~~~~~~~~
> drivers/iio/light/al3010.c:185:22: error: assignment to ‘struct regmap *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
> 185 | data->regmap = devm_regmap_init_i2c(client, &al3010_regmap_config);
> | ^
> drivers/iio/light/al3010.c: At top level:
> drivers/iio/light/al3010.c:48:35: error: storage size of ‘al3010_regmap_config’ isn’t known
> 48 | static const struct regmap_config al3010_regmap_config = {
> | ^~~~~~~~~~~~~~~~~~~~

Now all is better. The only thing is missing is Cc: stable@ line.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

> I made a separate commit for each driver, to ensure a proper Fixes:
> tag is appended for easy backporting. Let me know if you prefer
> squashing!

I prefer per-driver patches, but let Jonathan to handle that.

--
With Best Regards,
Andy Shevchenko