[PATCH] stm32mp1: remove the board_check_usb_power function when ADC is not activated

[Jaehoon Chung]

On 4/6/21 4:57 PM, Patrick Delaunay wrote:
> Simplify the code of the function board_check_usb_power
> based in CONFIG_ADC and adc_measurement; the function is removed by the
> linker when the CONFIG_ADC is not activated.
> 
> Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>

Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Best Regards,
Jaehoon Chung

> ---
> 
>  board/st/stm32mp1/stm32mp1.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
> index 759181fb5d..261ec15e1b 100644
> --- a/board/st/stm32mp1/stm32mp1.c
> +++ b/board/st/stm32mp1/stm32mp1.c
> @@ -347,6 +347,9 @@ static int board_check_usb_power(void)
>  	u32 nb_blink;
>  	u8 i;
>  
> +	if (!IS_ENABLED(CONFIG_ADC))
> +		return -ENODEV;
> +
>  	node = ofnode_path("/config");
>  	if (!ofnode_valid(node)) {
>  		log_debug("no /config node?\n");
> @@ -370,11 +373,7 @@ static int board_check_usb_power(void)
>  
>  	/* perform maximum of 2 ADC measurements to detect power supply current */
>  	for (i = 0; i < 2; i++) {
> -		if (IS_ENABLED(CONFIG_ADC))
> -			ret = adc_measurement(node, adc_count, &min_uV, &max_uV);
> -		else
> -			ret = -ENODEV;
> -
> +		ret = adc_measurement(node, adc_count, &min_uV, &max_uV);
>  		if (ret)
>  			return ret;
>  
>