From 0a74b3a4de0ee98e6a5ad73d328c86bea04bada8 Mon Sep 17 00:00:00 2001
From: Jiaqing Zhao <Zhao.Jiaqing@amd.com>
Date: Tue, 23 Jun 2026 23:06:09 +0800
Subject: [PATCH] OvmfPkg/VirtioKeyboardDxe: Drop unused functions and
 variables

VirtioKeyboardRingHasBuffer() and VIRTIO_KBD_DEV.KeyNotifyTimer are
defined but never called, drop them.

Signed-off-by: Jiaqing Zhao <Zhao.Jiaqing@amd.com>
---
 OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.c | 23 ----------------------
 OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.h |  1 -
 2 files changed, 24 deletions(-)

diff --git a/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.c b/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.c
index e517e26d64..28cffe7f19 100644
--- a/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.c
+++ b/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.c
@@ -104,29 +104,6 @@ VirtioKeyboardRingSendBuffer (
   return EFI_SUCCESS;
 }
 
-// -----------------------------------------------------------------------------
-// Look for buffer ready to be processed
-BOOLEAN
-EFIAPI
-VirtioKeyboardRingHasBuffer (
-  IN OUT VIRTIO_KBD_DEV  *Dev,
-  IN     UINT16          Index
-  )
-{
-  VIRTIO_KBD_RING  *Ring   = Dev->Rings + Index;
-  UINT16           UsedIdx = *Ring->Ring.Used.Idx;
-
-  if (!Ring->Ready) {
-    return FALSE;
-  }
-
-  if (Ring->LastUsedIdx == UsedIdx) {
-    return FALSE;
-  }
-
-  return TRUE;
-}
-
 // -----------------------------------------------------------------------------
 // Get data from buffer which is marked as ready from device
 BOOLEAN
diff --git a/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.h b/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.h
index b244dec12e..4e08493d33 100644
--- a/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.h
+++ b/OvmfPkg/VirtioKeyboardDxe/VirtioKeyboard.h
@@ -97,7 +97,6 @@ typedef struct {
 
   // List for notifications
   LIST_ENTRY                           NotifyList;
-  EFI_EVENT                            KeyNotifyTimer;
 
   // Last pressed key
   // typedef struct {