linux-kernel - Re: [PATCH 12/16] iio: max44009: Fix type incompatibility with non-macro find

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Message-ID: <20250515181425.6a16455c@jic23-huawei>
Date: Thu, 15 May 2025 18:14:25 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Alexandru Soponar <asoponar@...adin.ro>
Cc: linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
 linux-iio@...r.kernel.org, linux-leds@...r.kernel.org,
 linux-watchdog@...r.kernel.org, jdelvare@...e.com, linux@...ck-us.net,
 pavel@....cz, lee@...nel.org, baocheng.su@...mens.com,
 wim@...ux-watchdog.org, tobias.schaffner@...mens.com,
 angelogioacchino.delregno@...labora.com, benedikt.niedermayr@...mens.com,
 matthias.bgg@...il.com, aardelean@...libre.com, contact@...y.one
Subject: Re: [PATCH 12/16] iio: max44009: Fix type incompatibility with
 non-macro find_closest

On Thu, 15 May 2025 11:13:28 +0300
Alexandru Soponar <asoponar@...adin.ro> wrote:

> The max44009_int_time_ns_array array was previously declared as u32 but
> used with find_closest(). With find_closest() now implemented as a
> function taking signed int parameters instead of a macro, passing unsigned
> arrays causes type incompatibility errors. This patch changes the arrays
> type from u32 to int to ensure compatibility with the function signature
> and prevent compilation errors.
> 
> Signed-off-by: Alexandru Soponar <asoponar@...adin.ro>
Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> ---
>  drivers/iio/light/max44009.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/light/max44009.c b/drivers/iio/light/max44009.c
> index 8cd7f5664e5b..d274224fc210 100644
> --- a/drivers/iio/light/max44009.c
> +++ b/drivers/iio/light/max44009.c
> @@ -55,7 +55,7 @@
>  /* The fixed-point fractional multiplier for de-scaling threshold values */
>  #define MAX44009_FRACT_MULT 1000000
>  
> -static const u32 max44009_int_time_ns_array[] = {
> +static const int max44009_int_time_ns_array[] = {
>  	800000000,
>  	400000000,
>  	200000000,