hw/isa: Remove empty ISADeviceClass structure

ISADeviceClass is an empty class and just increase code
complexity. Remove it, directly embedding DeviceClass in
classes expanding TYPE_ISA_DEVICE.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230215161641.32663-19-philmd@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/hw/rtc/m48t59-isa.c b/hw/rtc/m48t59-isa.c
index e61f7ec..5bb46f2 100644
--- a/hw/rtc/m48t59-isa.c
+++ b/hw/rtc/m48t59-isa.c
@@ -47,7 +47,7 @@ struct M48txxISAState {
 };
 
 struct M48txxISADeviceClass {
-    ISADeviceClass parent_class;
+    DeviceClass parent_class;
     M48txxInfo info;
 };