Index: head/sys/dev/ichiic/ig4_acpi.c
===================================================================
--- head/sys/dev/ichiic/ig4_acpi.c
+++ head/sys/dev/ichiic/ig4_acpi.c
@@ -68,10 +68,20 @@
 static int
 ig4iic_acpi_probe(device_t dev)
 {
+	ig4iic_softc_t *sc;
+	char *hid;
 
-	if (acpi_disabled("ig4iic") ||
-	    ACPI_ID_PROBE(device_get_parent(dev), dev, ig4iic_ids) == NULL)
-	return (ENXIO);
+	sc = device_get_softc(dev);
+
+	if (acpi_disabled("ig4iic"))
+		return (ENXIO);
+
+	hid = ACPI_ID_PROBE(device_get_parent(dev), dev, ig4iic_ids);
+	if (hid == NULL)
+		return (ENXIO);
+
+	if (strcmp("AMDI0010", hid) == 0)
+		sc->access_intr_mask = 1;
 
 	device_set_desc(dev, "Designware I2C Controller");
 	return (0);
Index: head/sys/dev/ichiic/ig4_iic.c
===================================================================
--- head/sys/dev/ichiic/ig4_iic.c
+++ head/sys/dev/ichiic/ig4_iic.c
@@ -724,6 +724,19 @@
 		++sc->rnext;
 		status = reg_read(sc, IG4_REG_I2C_STA);
 	}
+
+	/* 
+	 * Workaround to trigger pending interrupt if IG4_REG_INTR_STAT
+	 * is changed after clearing it
+	 */
+	if(sc->access_intr_mask) {
+		status = reg_read(sc, IG4_REG_INTR_MASK);
+		if(status) {
+			reg_write(sc, IG4_REG_INTR_MASK, 0);
+			reg_write(sc, IG4_REG_INTR_MASK, status);
+		}
+	}
+
 	wakeup(sc);
 	mtx_unlock(&sc->io_lock);
 }
Index: head/sys/dev/ichiic/ig4_var.h
===================================================================
--- head/sys/dev/ichiic/ig4_var.h
+++ head/sys/dev/ichiic/ig4_var.h
@@ -72,6 +72,7 @@
 	int		slave_valid : 1;
 	int		read_started : 1;
 	int		write_started : 1;
+	int		access_intr_mask : 1;
 
 	/*
 	 * Locking semantics: