From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/cxl/core/suspend.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 drivers/cxl/core/suspend.c

(limited to 'drivers/cxl/core/suspend.c')

diff --git a/drivers/cxl/core/suspend.c b/drivers/cxl/core/suspend.c
new file mode 100644
index 000000000..a5984d96e
--- /dev/null
+++ b/drivers/cxl/core/suspend.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2022 Intel Corporation. All rights reserved. */
+#include <linux/atomic.h>
+#include <linux/export.h>
+#include "cxlmem.h"
+
+static atomic_t mem_active;
+
+bool cxl_mem_active(void)
+{
+	return atomic_read(&mem_active) != 0;
+}
+
+void cxl_mem_active_inc(void)
+{
+	atomic_inc(&mem_active);
+}
+EXPORT_SYMBOL_NS_GPL(cxl_mem_active_inc, CXL);
+
+void cxl_mem_active_dec(void)
+{
+	atomic_dec(&mem_active);
+}
+EXPORT_SYMBOL_NS_GPL(cxl_mem_active_dec, CXL);
-- 
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