linux-kernel - [PATCH 1/7] power: act8945a_charger: Remove "battery

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Date:	Fri, 24 Jun 2016 15:17:34 +0800
From:	Wenyou Yang <wenyou.yang@...el.com>
To:	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Brown <broonie@...nel.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>
CC:	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	<linux-pm@...r.kernel.org>, Wenyou Yang <wenyou.yang@...el.com>
Subject: [PATCH 1/7] power: act8945a_charger: Remove "battery_temperature"

Remove "battery_temperature" member, it is redundant, it is the
hardware's responsibility to handle TH pin properly.
It is unnecessary to use the dt property to check if there is
a battery temperature monitor or not.

Signed-off-by: Wenyou Yang <wenyou.yang@...el.com>
---

 drivers/power/act8945a_charger.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/power/act8945a_charger.c b/drivers/power/act8945a_charger.c
index b5c00e4..72d39ba 100644
--- a/drivers/power/act8945a_charger.c
+++ b/drivers/power/act8945a_charger.c
@@ -76,7 +76,6 @@ static const char *act8945a_charger_manufacturer = "Active-semi";
 
 struct act8945a_charger {
 	struct regmap *regmap;
-	bool battery_temperature;
 };
 
 static int act8945a_get_charger_state(struct regmap *regmap, int *val)
@@ -138,8 +137,7 @@ static int act8945a_get_charge_type(struct regmap *regmap, int *val)
 	return 0;
 }
 
-static int act8945a_get_battery_health(struct act8945a_charger *charger,
-				       struct regmap *regmap, int *val)
+static int act8945a_get_battery_health(struct regmap *regmap, int *val)
 {
 	int ret;
 	unsigned int status;
@@ -148,7 +146,7 @@ static int act8945a_get_battery_health(struct act8945a_charger *charger,
 	if (ret < 0)
 		return ret;
 
-	if (charger->battery_temperature && !(status & APCH_STATUS_TEMPDAT))
+	if (status & APCH_STATUS_TEMPDAT)
 		*val = POWER_SUPPLY_HEALTH_OVERHEAT;
 	else if (!(status & APCH_STATUS_INDAT))
 		*val = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
@@ -188,8 +186,7 @@ static int act8945a_charger_get_property(struct power_supply *psy,
 		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
 		break;
 	case POWER_SUPPLY_PROP_HEALTH:
-		ret = act8945a_get_battery_health(charger,
-						  regmap, &val->intval);
+		ret = act8945a_get_battery_health(regmap, &val->intval);
 		break;
 	case POWER_SUPPLY_PROP_MODEL_NAME:
 		val->strval = act8945a_charger_model;
@@ -235,9 +232,6 @@ static int act8945a_charger_config(struct device *dev,
 		return -EINVAL;
 	}
 
-	charger->battery_temperature = of_property_read_bool(np,
-				"active-semi,check-battery-temperature");
-
 	chglev_pin = of_get_named_gpio_flags(np,
 				"active-semi,chglev-gpios", 0, &flags);
 
-- 
2.7.4