Re: [PATCH v4 1/6] media: ov5693: count num_supplies using array_size

From: Daniel Scally
Date: Thu Jun 30 2022 - 06:09:56 EST


Hello - sorry, hadn't had much time to look  at this series.

On 30/06/2022 08:45, Tommaso Merciai wrote:
> Instead of hardcode OV5693_NUM_SUPPLIES in a define is better use
> ARRAY_SIZE function to count the number of supplies from
> ov5693_supply_names array
>
> Signed-off-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx>


Reviewed-by: Daniel Scally <djrscally@xxxxxxxxx>

> ---
> Changes since v3:
> - Add reviewed-by tag, suggested by Jacopo, Krzysztof
>
> drivers/media/i2c/ov5693.c | 15 +++++++--------
> 1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/media/i2c/ov5693.c b/drivers/media/i2c/ov5693.c
> index 117ff5403312..f410333c4c67 100644
> --- a/drivers/media/i2c/ov5693.c
> +++ b/drivers/media/i2c/ov5693.c
> @@ -127,11 +127,15 @@
> #define OV5693_LINK_FREQ_419_2MHZ 419200000
> #define OV5693_PIXEL_RATE 167680000
>
> -/* Miscellaneous */
> -#define OV5693_NUM_SUPPLIES 2
> -
> #define to_ov5693_sensor(x) container_of(x, struct ov5693_device, sd)
>
> +static const char * const ov5693_supply_names[] = {
> + "avdd", /* Analog power */
> + "dovdd", /* Digital I/O power */
> +};
> +
> +#define OV5693_NUM_SUPPLIES ARRAY_SIZE(ov5693_supply_names)
> +
> struct ov5693_reg {
> u32 reg;
> u8 val;
> @@ -352,11 +356,6 @@ static const s64 link_freq_menu_items[] = {
> OV5693_LINK_FREQ_419_2MHZ
> };
>
> -static const char * const ov5693_supply_names[] = {
> - "avdd",
> - "dovdd",
> -};
> -
> static const char * const ov5693_test_pattern_menu[] = {
> "Disabled",
> "Random Data",