Merge tag 'v2024.01-rc5' into next

Prepare v2024.01-rc5

3 files changed, 20 insertions, 34 deletions

diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index 0a2cb6e..24d33d5 100644
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -51,9 +51,7 @@ obj-y += efi_console.o
 obj-y += efi_device_path.o
 obj-$(CONFIG_EFI_DEVICE_PATH_TO_TEXT) += efi_device_path_to_text.o
 obj-$(CONFIG_EFI_DEVICE_PATH_UTIL) += efi_device_path_utilities.o
-ifeq ($(CONFIG_GENERATE_ACPI_TABLE),)
 obj-y += efi_dt_fixup.o
-endif
 obj-y += efi_file.o
 obj-$(CONFIG_EFI_LOADER_HII) += efi_hii.o
 obj-y += efi_image_loader.o
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 56d97f2..e815fa0 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -1262,8 +1262,6 @@ efi_status_t efi_env_set_load_options(efi_handle_t handle,
 	return ret;
 }
 
-#if !CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE)
-
 /**
  * copy_fdt() - Copy the device tree to a new location available to EFI
  *
@@ -1337,8 +1335,6 @@ static void *get_config_table(const efi_guid_t *guid)
 	return NULL;
 }
 
-#endif /* !CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE) */
-
 /**
  * efi_install_fdt() - install device tree
  *
@@ -1358,18 +1354,15 @@ static void *get_config_table(const efi_guid_t *guid)
  */
 efi_status_t efi_install_fdt(void *fdt)
 {
+	struct bootm_headers img = { 0 };
+	efi_status_t ret;
+
 	/*
 	 * The EBBR spec requires that we have either an FDT or an ACPI table
 	 * but not both.
 	 */
-#if CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE)
-	if (fdt) {
+	if (CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE) && fdt)
 		log_warning("WARNING: Can't have ACPI table and device tree - ignoring DT.\n");
-		return EFI_SUCCESS;
-	}
-#else
-	struct bootm_headers img = { 0 };
-	efi_status_t ret;
 
 	if (fdt == EFI_FDT_USE_INTERNAL) {
 		const char *fdt_opt;
@@ -1402,6 +1395,12 @@ efi_status_t efi_install_fdt(void *fdt)
 		return EFI_LOAD_ERROR;
 	}
 
+	/* Create memory reservations as indicated by the device tree */
+	efi_carve_out_dt_rsv(fdt);
+
+	if (CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE))
+		return EFI_SUCCESS;
+
 	/* Prepare device tree for payload */
 	ret = copy_fdt(&fdt);
 	if (ret) {
@@ -1414,9 +1413,6 @@ efi_status_t efi_install_fdt(void *fdt)
 		return EFI_LOAD_ERROR;
 	}
 
-	/* Create memory reservations as indicated by the device tree */
-	efi_carve_out_dt_rsv(fdt);
-
 	efi_try_purge_kaslr_seed(fdt);
 
 	if (CONFIG_IS_ENABLED(EFI_TCG2_PROTOCOL_MEASURE_DTB)) {
@@ -1433,7 +1429,6 @@ efi_status_t efi_install_fdt(void *fdt)
 		log_err("ERROR: failed to install device tree\n");
 		return ret;
 	}
-#endif /* GENERATE_ACPI_TABLE */
 
 	return EFI_SUCCESS;
 }
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 3767fa2..644bebe 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -1342,7 +1342,7 @@ static efi_status_t efi_disconnect_all_drivers
 				 const efi_guid_t *protocol,
 				 efi_handle_t child_handle)
 {
-	efi_uintn_t number_of_drivers, tmp;
+	efi_uintn_t number_of_drivers;
 	efi_handle_t *driver_handle_buffer;
 	efi_status_t r, ret;
 
@@ -1353,27 +1353,13 @@ static efi_status_t efi_disconnect_all_drivers
 	if (!number_of_drivers)
 		return EFI_SUCCESS;
 
-	tmp = number_of_drivers;
 	while (number_of_drivers) {
-		ret = EFI_CALL(efi_disconnect_controller(
+		r = EFI_CALL(efi_disconnect_controller(
 				handle,
 				driver_handle_buffer[--number_of_drivers],
 				child_handle));
-		if (ret != EFI_SUCCESS)
-			goto reconnect;
-	}
-
-	free(driver_handle_buffer);
-	return ret;
-
-reconnect:
-	/* Reconnect all disconnected drivers */
-	for (; number_of_drivers < tmp; number_of_drivers++) {
-		r = EFI_CALL(efi_connect_controller(handle,
-						    &driver_handle_buffer[number_of_drivers],
-						    NULL, true));
 		if (r != EFI_SUCCESS)
-			EFI_PRINT("Failed to reconnect controller\n");
+			ret = r;
 	}
 
 	free(driver_handle_buffer);
@@ -1412,6 +1398,13 @@ static efi_status_t efi_uninstall_protocol
 	r = efi_disconnect_all_drivers(handle, protocol, NULL);
 	if (r != EFI_SUCCESS) {
 		r = EFI_ACCESS_DENIED;
+		/*
+		 * This will reconnect all controllers of the handle, even ones
+		 * that were not connected before. This can be done better
+		 * but we are following the EDKII implementation on this for
+		 * now
+		 */
+		EFI_CALL(efi_connect_controller(handle, NULL, NULL, true));
 		goto out;
 	}
 	/* Close protocol */