From 93de74017095f86a6c62447938ec6169a5184c45 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Tue, 21 Jul 2026 17:33:13 +0200
Subject: kapi: remove major number allocator

---
 kernel/kapi/devices.cpp                      | 9 ---------
 kernel/kernel/devices/storage/management.cpp | 3 ++-
 2 files changed, 2 insertions(+), 10 deletions(-)

(limited to 'kernel')

diff --git a/kernel/kapi/devices.cpp b/kernel/kapi/devices.cpp
index ae2d4d7a..6da503d9 100644
--- a/kernel/kapi/devices.cpp
+++ b/kernel/kapi/devices.cpp
@@ -10,8 +10,6 @@
 #include <kstd/print.hpp>
 #include <kstd/string.hpp>
 
-#include <atomic>
-#include <cstddef>
 #include <optional>
 #include <string_view>
 #include <utility>
@@ -20,7 +18,6 @@ namespace kapi::devices
 {
   namespace
   {
-    auto constinit next_major_number = std::atomic_size_t{1};
     auto constinit root_bus = std::optional<kernel::devices::root_bus>{};
     auto constinit device_tree = kstd::flat_map<kstd::string, kstd::observer_ptr<device>>{};
   }  // namespace
@@ -48,11 +45,6 @@ namespace kapi::devices
     return *root_bus;
   }
 
-  auto allocate_major_number() -> std::size_t
-  {
-    return next_major_number.fetch_add(1, std::memory_order::relaxed);
-  }
-
   auto register_device(device & device) -> bool
   {
     kstd::println("[OS:DEV] Registering device {}", device.name());
@@ -86,6 +78,5 @@ namespace kapi::test_support::devices
     deinit_interface_registry();
 
     kapi::devices::root_bus.reset();
-    kapi::devices::next_major_number = 1;
   }
 }  // namespace kapi::test_support::devices
\ No newline at end of file
diff --git a/kernel/kernel/devices/storage/management.cpp b/kernel/kernel/devices/storage/management.cpp
index 227aa54e..2c42fbd3 100644
--- a/kernel/kernel/devices/storage/management.cpp
+++ b/kernel/kernel/devices/storage/management.cpp
@@ -50,7 +50,8 @@ namespace kernel::devices::storage
 
   auto management::add_controller(kstd::shared_ptr<controller> const & controller) -> void
   {
-    controller->set_ids(kapi::devices::allocate_major_number(), minors_per_device);
+    // TODO: remove the major argument
+    controller->set_ids(0, minors_per_device);
     m_controllers.push_back(controller);
   }
 
-- 
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