ab8500_btemp: Ignore false btemp low interrupt

Ignore the low btemp interrupts for ab8500 3.0 and 3.3

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

2 files changed, 9 insertions, 4 deletions

diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index adebf6c6d146..b3f6467da7f3 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/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) {
diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index 1cb5698b4d76..9dd9b99099df 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/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)
 {