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Date:   Sat, 16 Jan 2021 13:13:10 -0800
From:   Randy Dunlap <>
Cc:     Randy Dunlap <>,
        Sebastian Reichel <>,,
        Martin Mokrejs <>,
        Greg Kroah-Hartman <>,,
        Nicolas Saenz Julienne <>,
        "Rafael J . Wysocki" <>
Subject: [PATCH] power: supply: fix sbs-charger build, needs REGMAP_I2C

CHARGER_SBS should select REGMAP_I2C since it uses API(s) that are
provided by that Kconfig symbol.

Fixes these errors:

../drivers/power/supply/sbs-charger.c:149:21: error: variable ‘sbs_regmap’ has initializer but incomplete type
 static const struct regmap_config sbs_regmap = {
../drivers/power/supply/sbs-charger.c:150:3: error: ‘const struct regmap_config’ has no member named ‘reg_bits’
  .reg_bits = 8,
../drivers/power/supply/sbs-charger.c:155:23: error: ‘REGMAP_ENDIAN_LITTLE’ undeclared here (not in a function)
  .val_format_endian = REGMAP_ENDIAN_LITTLE, /* since based on SMBus */
../drivers/power/supply/sbs-charger.c: In function ‘sbs_probe’:
../drivers/power/supply/sbs-charger.c:183:17: error: implicit declaration of function ‘devm_regmap_init_i2c’; did you mean ‘devm_request_irq’? [-Werror=implicit-function-declaration]
  chip->regmap = devm_regmap_init_i2c(client, &sbs_regmap);
../drivers/power/supply/sbs-charger.c: At top level:
../drivers/power/supply/sbs-charger.c:149:35: error: storage size of ‘sbs_regmap’ isn’t known
 static const struct regmap_config sbs_regmap = {

Fixes: feb583e37f8a ("power: supply: add sbs-charger driver")
Signed-off-by: Randy Dunlap <>
Cc: Sebastian Reichel <>
Cc: Martin Mokrejs <>
Cc: Greg Kroah-Hartman <>
Cc: Nicolas Saenz Julienne <>
Cc: Rafael J. Wysocki <>
Martin, do you want Reported-by: on this?

 drivers/power/supply/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20210115.orig/drivers/power/supply/Kconfig
+++ linux-next-20210115/drivers/power/supply/Kconfig
@@ -229,6 +229,7 @@ config BATTERY_SBS
 	tristate "SBS Compliant charger"
 	depends on I2C
+	select REGMAP_I2C
 	  Say Y to include support for SBS compliant battery chargers.

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