max8925_power: No temperature interrupts if temperature not connected

Brownstone does not have temperature reading circuit hooked up.
This leads to spurious interrupts.

Allow the platform layer to indicate no temperature circuit
and do not activate interrupts if no temperature control is set

Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
diff --git a/drivers/power/max8925_power.c b/drivers/power/max8925_power.c
index b16bd71..83b827c 100644
--- a/drivers/power/max8925_power.c
+++ b/drivers/power/max8925_power.c
@@ -78,6 +78,7 @@
 	unsigned		batt_detect:1;	/* detecing MB by ID pin */
 	unsigned		topoff_threshold:2;
 	unsigned		fast_charge:3;
+	unsigned		no_temp_support:1;
 
 	int (*set_charger) (int);
 };
@@ -116,7 +117,7 @@
 	case MAX8925_IRQ_VCHG_DC_F:
 		info->ac_online = 0;
 		__set_charger(info, 0);
-		dev_dbg(chip->dev, "Adapter is removal\n");
+		dev_dbg(chip->dev, "Adapter removed\n");
 		break;
 	case MAX8925_IRQ_VCHG_USB_R:
 		info->usb_online = 1;
@@ -126,7 +127,7 @@
 	case MAX8925_IRQ_VCHG_USB_F:
 		info->usb_online = 0;
 		__set_charger(info, 0);
-		dev_dbg(chip->dev, "USB is removal\n");
+		dev_dbg(chip->dev, "USB removed\n");
 		break;
 	case MAX8925_IRQ_VCHG_THM_OK_F:
 		/* Battery is not ready yet */
@@ -369,8 +370,10 @@
 	REQUEST_IRQ(MAX8925_IRQ_VCHG_USB_OVP, "usb-ovp");
 	REQUEST_IRQ(MAX8925_IRQ_VCHG_USB_F, "usb-remove");
 	REQUEST_IRQ(MAX8925_IRQ_VCHG_USB_R, "usb-insert");
-	REQUEST_IRQ(MAX8925_IRQ_VCHG_THM_OK_R, "batt-temp-in-range");
-	REQUEST_IRQ(MAX8925_IRQ_VCHG_THM_OK_F, "batt-temp-out-range");
+	if (!info->no_temp_support) {
+		REQUEST_IRQ(MAX8925_IRQ_VCHG_THM_OK_R, "batt-temp-in-range");
+		REQUEST_IRQ(MAX8925_IRQ_VCHG_THM_OK_F, "batt-temp-out-range");
+	}
 	REQUEST_IRQ(MAX8925_IRQ_VCHG_SYSLOW_F, "vsys-high");
 	REQUEST_IRQ(MAX8925_IRQ_VCHG_SYSLOW_R, "vsys-low");
 	REQUEST_IRQ(MAX8925_IRQ_VCHG_RST, "charger-reset");
@@ -477,6 +480,7 @@
 	info->topoff_threshold = pdata->topoff_threshold;
 	info->fast_charge = pdata->fast_charge;
 	info->set_charger = pdata->set_charger;
+	info->no_temp_support = pdata->no_temp_support;
 
 	max8925_init_charger(chip, info);
 	return 0;