linux-kernel - [PATCH] olpc: olpc_battery.c sparse endian annotations

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Date:	Thu, 03 Jul 2008 16:33:38 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] olpc: olpc_battery.c sparse endian annotations

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
 drivers/power/olpc_battery.c |   20 ++++++++------------
 1 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c
index 32570af..5fbca26 100644
--- a/drivers/power/olpc_battery.c
+++ b/drivers/power/olpc_battery.c
@@ -205,9 +205,9 @@ static int olpc_bat_get_property(struct power_supply *psy,
 				 union power_supply_propval *val)
 {
 	int ret = 0;
-	int16_t ec_word;
+	__be16 ec_word;
 	uint8_t ec_byte;
-	uint64_t ser_buf;
+	__be64 ser_buf;
 
 	ret = olpc_ec_cmd(EC_BAT_STATUS, NULL, 0, &ec_byte, 1);
 	if (ret)
@@ -257,16 +257,14 @@ static int olpc_bat_get_property(struct power_supply *psy,
 		if (ret)
 			return ret;
 
-		ec_word = be16_to_cpu(ec_word);
-		val->intval = ec_word * 9760L / 32;
+		val->intval = (int)be16_to_cpu(ec_word) * 9760L / 32;
 		break;
 	case POWER_SUPPLY_PROP_CURRENT_AVG:
 		ret = olpc_ec_cmd(EC_BAT_CURRENT, NULL, 0, (void *)&ec_word, 2);
 		if (ret)
 			return ret;
 
-		ec_word = be16_to_cpu(ec_word);
-		val->intval = ec_word * 15625L / 120;
+		val->intval = (int)be16_to_cpu(ec_word) * 15625L / 120;
 		break;
 	case POWER_SUPPLY_PROP_CAPACITY:
 		ret = olpc_ec_cmd(EC_BAT_SOC, NULL, 0, &ec_byte, 1);
@@ -278,24 +276,22 @@ static int olpc_bat_get_property(struct power_supply *psy,
 		ret = olpc_ec_cmd(EC_BAT_TEMP, NULL, 0, (void *)&ec_word, 2);
 		if (ret)
 			return ret;
-		ec_word = be16_to_cpu(ec_word);
-		val->intval = ec_word * 100 / 256;
+
+		val->intval = (int)be16_to_cpu(ec_word) * 100 / 256;
 		break;
 	case POWER_SUPPLY_PROP_TEMP_AMBIENT:
 		ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2);
 		if (ret)
 			return ret;
 
-		ec_word = be16_to_cpu(ec_word);
-		val->intval = ec_word * 100 / 256;
+		val->intval = (int)be16_to_cpu(ec_word) * 100 / 256;
 		break;
 	case POWER_SUPPLY_PROP_CHARGE_COUNTER:
 		ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2);
 		if (ret)
 			return ret;
 
-		ec_word = be16_to_cpu(ec_word);
-		val->intval = ec_word * 6250 / 15;
+		val->intval = (int)be16_to_cpu(ec_word) * 6250 / 15;
 		break;
 	case POWER_SUPPLY_PROP_SERIAL_NUMBER:
 		ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8);
-- 
1.5.6.1.281.g1087e


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