power: supply: charger-manager: Count cm-chargers property directly

Rather than having a cm-chargers and a separate cm-num-chargers
property, simply count the entries in cm-chargers.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c
index 5f536284d2ca9aa952773cde000bb55e2a89318f..07992821e2523ea8e368b8fa84d7626a69a12d8a 100644 (file)
--- a/drivers/power/supply/charger-manager.c
+++ b/drivers/power/supply/charger-manager.c
@@ -1311,8 +1311,8 @@ static struct charger_desc *of_cm_parse_desc(struct device *dev)
        desc->battery_present = battery_stat;
 
        /* chargers */
-       of_property_read_u32(np, "cm-num-chargers", &num_chgs);
-       if (num_chgs) {
+       num_chgs = of_property_count_strings(np, "cm-chargers");
+       if (num_chgs > 0) {
                int i;
 
                /* Allocate empty bin at the tail of array */