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 <koml...@google.com>
---
hw/i2c/core.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/hw/i2c/core.c b/hw/i2c/core.c
index bed594fe59..2aecbfb334 100644
--- a/hw/i2c/core.c
+++ b/hw/i2c/core.c
@@ -23,10 +23,29 @@ static Property i2c_props[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static void i2c_bus_enter_reset(Object *obj, ResetType type)
+{
+ 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.enter = i2c_bus_enter_reset;
+}
+
static const TypeInfo i2c_bus_info = {
- .name = TYPE_I2C_BUS,
- .parent = TYPE_BUS,
- .instance_size = sizeof(I2CBus),
+ .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)
--
2.40.0.rc2.332.ga46443480c-goog
