Re: [PATCH v5 02/14] mfd: lm3533: Remove driver specific regmap wrappers
From: Andy Shevchenko
Date: Wed Jun 17 2026 - 06:45:29 EST
On Wed, Jun 17, 2026 at 11:00:19AM +0300, Svyatoslav Ryhel wrote:
> Remove driver-specific regmap wrappers in favor of using regmap helpers
> directly.
OK, let's go with this variant.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Some side notes below for the record.
...
> struct lm3533_led *led = to_lm3533_led(led_cdev);
> unsigned enable;
Oh, besides using the old way of declaring unsigned int, it most likely
just needs to be kstrtobool().
> u8 reg;
> - u8 mask;
> - u8 val;
> int ret;
>
> if (kstrtouint(buf, 0, &enable))
> return -EINVAL;
We should unshadow error codes (it may return more than -EINVAL).
> reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
> - mask = LM3533_REG_CTRLBANK_BCONF_ALS_EN_MASK;
>
> - if (enable)
> - val = mask;
> - else
> - val = 0;
> -
...
> - if (kstrtou8(buf, 0, &val))
> + if (kstrtou32(buf, 0, &val))
> return -EINVAL;
Like in the previous case we should unshadow error codes.
--
With Best Regards,
Andy Shevchenko