@@ -158,6 +158,7 @@ static irqreturn_t tc3589x_irq(int irq, void *data)
struct tc3589x *tc3589x = data;
int status;
+again:
status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
if (status < 0)
return IRQ_NONE;
@@ -172,9 +173,12 @@ static irqreturn_t tc3589x_irq(int irq, void *data)
/*
* A dummy read or write (to any register) appears to be necessary to
* have the last interrupt clear (for example, GPIO IC write) take
- * effect.
+ * effect. In such a case, recheck for any interrupt which is still
+ * pending.
*/
- tc3589x_reg_read(tc3589x, TC3589x_IRQST);
+ status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
+ if (status)
+ goto again;
return IRQ_HANDLED;
}