ab8500_btemp: Ignore false btemp low interrupt

Ignore the low btemp interrupts for ab8500 3.0 and 3.3
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NHakan Berg <hakan.berg@stericsson.com>
Reviewed-by: NJonas ABERG <jonas.aberg@stericsson.com>
Tested-by: NMarcus COOPER <marcus.xm.cooper@stericsson.com>
Signed-off-by: NAnton Vorontsov <anton@enomsg.org>

drivers/power/ab8500_btemp.c

@@ -622,9 +622,9 @@ static irqreturn_t ab8500_btemp_templow_handler(int irq, void *_di)
 {
 	struct ab8500_btemp *di = _di;
 
-	if (is_ab8500_2p0_or_earlier(di->parent)) {
+	if (is_ab8500_3p3_or_earlier(di->parent)) {
 		dev_dbg(di->dev, "Ignore false btemp low irq"
-			" for ABB cut 1.0, 1.1 and 2.0\n");
+			" for ABB cut 1.0, 1.1, 2.0 and 3.3\n");
 	} else {
 		dev_crit(di->dev, "Battery temperature lower than -10deg c\n");
 
@@ -738,10 +738,10 @@ static int ab8500_btemp_get_temp(struct ab8500_btemp *di)
 	int temp = 0;
 
 	/*
-	 * The BTEMP events are not reliabe on AB8500 cut2.0
+	 * The BTEMP events are not reliabe on AB8500 cut3.3
 	 * and prior versions
 	 */
-	if (is_ab8500_2p0_or_earlier(di->parent)) {
+	if (is_ab8500_3p3_or_earlier(di->parent)) {
 		temp = di->bat_temp * 10;
 	} else {
 		if (di->events.btemp_low) {

include/linux/mfd/abx500/ab8500.h

@@ -335,6 +335,11 @@ static inline int is_ab8500_2p0_or_earlier(struct ab8500 *ab)
 	return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT2P0));
 }
 
+static inline int is_ab8500_3p3_or_earlier(struct ab8500 *ab)
+{
+	return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT3P3));
+}
+
 /* exclude also ab8505, ab9540... */
 static inline int is_ab8500_2p0(struct ab8500 *ab)
 {