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

[Patrick Delaunay]

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>
---

 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;
 
-- 
2.17.1