efi_loader: remove deprecated ConsoleControlProtocol

The console control protocol is not defined in the UEFI standard.

It exists in EDK2's EdkCompatiblityPkg package. But this package
is deprecated according to
https://github.com/tianocore/tianocore.github.io/wiki/Differences-between-EDK-and-EDK-II

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

include/efi_api.h

@@ -571,24 +571,6 @@ struct efi_simple_input_interface {
 	struct efi_event *wait_for_key;
 };
 
-#define CONSOLE_CONTROL_GUID \
-	EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
-		 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
-#define EFI_CONSOLE_MODE_TEXT	0
-#define EFI_CONSOLE_MODE_GFX	1
-
-struct efi_console_control_protocol
-{
-	efi_status_t (EFIAPI *get_mode)(
-			struct efi_console_control_protocol *this, int *mode,
-			char *uga_exists, char *std_in_locked);
-	efi_status_t (EFIAPI *set_mode)(
-			struct efi_console_control_protocol *this, int mode);
-	efi_status_t (EFIAPI *lock_std_in)(
-			struct efi_console_control_protocol *this,
-			uint16_t *password);
-};
-
 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 	EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 		 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)

lib/efi_loader/efi_boottime.c

@@ -1420,11 +1420,6 @@ efi_status_t efi_setup_loaded_image(
 	if (ret != EFI_SUCCESS)
 		goto failure;
 
-	ret = efi_add_protocol(obj->handle, &efi_guid_console_control,
-			       (void *)&efi_console_control);
-	if (ret != EFI_SUCCESS)
-		goto failure;
-
 	ret = efi_add_protocol(obj->handle,
 			       &efi_guid_device_path_to_text_protocol,
 			       (void *)&efi_device_path_to_text);

lib/efi_loader/efi_console.c

@@ -45,7 +45,6 @@ static struct cout_mode efi_cout_modes[] = {
 	},
 };
 
-const efi_guid_t efi_guid_console_control = CONSOLE_CONTROL_GUID;
 const efi_guid_t efi_guid_text_output_protocol =
 			EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
 const efi_guid_t efi_guid_text_input_protocol =
@@ -54,43 +53,6 @@ const efi_guid_t efi_guid_text_input_protocol =
 #define cESC '\x1b'
 #define ESC "\x1b"
 
-static efi_status_t EFIAPI efi_cin_get_mode(
-			struct efi_console_control_protocol *this,
-			int *mode, char *uga_exists, char *std_in_locked)
-{
-	EFI_ENTRY("%p, %p, %p, %p", this, mode, uga_exists, std_in_locked);
-
-	if (mode)
-		*mode = EFI_CONSOLE_MODE_TEXT;
-	if (uga_exists)
-		*uga_exists = 0;
-	if (std_in_locked)
-		*std_in_locked = 0;
-
-	return EFI_EXIT(EFI_SUCCESS);
-}
-
-static efi_status_t EFIAPI efi_cin_set_mode(
-			struct efi_console_control_protocol *this, int mode)
-{
-	EFI_ENTRY("%p, %d", this, mode);
-	return EFI_EXIT(EFI_UNSUPPORTED);
-}
-
-static efi_status_t EFIAPI efi_cin_lock_std_in(
-			struct efi_console_control_protocol *this,
-			uint16_t *password)
-{
-	EFI_ENTRY("%p, %p", this, password);
-	return EFI_EXIT(EFI_UNSUPPORTED);
-}
-
-struct efi_console_control_protocol efi_console_control = {
-	.get_mode = efi_cin_get_mode,
-	.set_mode = efi_cin_set_mode,
-	.lock_std_in = efi_cin_lock_std_in,
-};
-
 /* Default to mode 0 */
 static struct simple_text_output_mode efi_con_mode = {
 	.max_mode = 1,
@@ -506,18 +468,10 @@ static void EFIAPI efi_console_timer_notify(struct efi_event *event,
 int efi_console_register(void)
 {
 	efi_status_t r;
-	struct efi_object *efi_console_control_obj;
 	struct efi_object *efi_console_output_obj;
 	struct efi_object *efi_console_input_obj;
 
 	/* Create handles */
-	r = efi_create_handle((efi_handle_t *)&efi_console_control_obj);
-	if (r != EFI_SUCCESS)
-		goto out_of_memory;
-	r = efi_add_protocol(efi_console_control_obj->handle,
-			     &efi_guid_console_control, &efi_console_control);
-	if (r != EFI_SUCCESS)
-		goto out_of_memory;
 	r = efi_create_handle((efi_handle_t *)&efi_console_output_obj);
 	if (r != EFI_SUCCESS)
 		goto out_of_memory;