kapi: move protocol pointer to base bus

1 files changed, 10 insertions, 0 deletions

diff --git a/kernel/kapi/devices/bus.cpp b/kernel/kapi/devices/bus.cpp
index 9eecced0..dad90a15 100644
--- a/kernel/kapi/devices/bus.cpp
+++ b/kernel/kapi/devices/bus.cpp
@@ -1,6 +1,7 @@
 #include <kapi/devices/bus.hpp>
 
 #include <kapi/devices.hpp>
+#include <kapi/devices/bus_protocol.hpp>
 #include <kapi/devices/driver_registry.hpp>
 #include <kapi/system.hpp>
 
@@ -17,6 +18,11 @@ namespace kapi::devices
       : device{name}
   {}
 
+  bus::bus(kstd::string const & name, bus_protocol & protocol)
+      : device{name}
+      , m_protocol{&protocol}
+  {}
+
   auto bus::add_child(kstd::shared_ptr<device> child) -> void
   {
     child->set_parent(kstd::static_pointer_cast<bus>(shared_from_this()));
@@ -43,6 +49,10 @@ namespace kapi::devices
     {
       return this;
     }
+    else if (facet == bus_protocol::id)
+    {
+      return m_protocol;
+    }
 
     return device::query_facet(facet);
   }