@@ -23,10 +23,29 @@ static Property i2c_props[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static void i2c_bus_hold_reset(Object *obj)
+{
+ I2CBus *bus = I2C_BUS(obj);
+ I2CNode *node, *next;
+
+ bus->broadcast = false;
+ QLIST_FOREACH_SAFE(node, &bus->current_devs, next, next) {
+ QLIST_REMOVE(node, next);
+ g_free(node);
+ }
+}
+
+static void i2c_bus_class_init(ObjectClass *klass, void *data)
+{
+ ResettableClass *rc = RESETTABLE_CLASS(klass);
+ rc->phases.hold = i2c_bus_hold_reset;
+}
+
static const TypeInfo i2c_bus_info = {
.name = TYPE_I2C_BUS,
.parent = TYPE_BUS,
.instance_size = sizeof(I2CBus),
+ .class_init = i2c_bus_class_init,
};
static int i2c_bus_pre_save(void *opaque)
It's possible for a reset to come in the middle of a transaction, which causes the bus to be in an old state when a new transaction comes in. Signed-off-by: Joe Komlodi <komlodi@google.com> --- hw/i2c/core.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)