From fd42ccc45def49fb3db5e98fd773fa90b8b32b29 Mon Sep 17 00:00:00 2001
From: Johnny Liu <johnliu@nvidia.com>
Date: Thu, 22 May 2025 03:51:41 +0000
Subject: [PATCH] conftest: add devfreq_has_suspend_freq test

Bug 5297893

Change-Id: I74388d308fdeb6673ecd7b6354971285ba6e3aa0
Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3369019
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
---
 scripts/conftest/Makefile    |  1 +
 scripts/conftest/conftest.sh | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/scripts/conftest/Makefile b/scripts/conftest/Makefile
index d4b83096..13531c3e 100644
--- a/scripts/conftest/Makefile
+++ b/scripts/conftest/Makefile
@@ -113,6 +113,7 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += clk_hw_determine_rate_no_reparent
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += define_semaphore_has_number_arg
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += devfreq_dev_profile_has_is_cooling_device
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += devfreq_has_freq_table
+NV_CONFTEST_FUNCTION_COMPILE_TESTS += devfreq_has_suspend_freq
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += device_add_disk_has_int_return_type
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += devm_pm_domain_attach_list
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += devm_of_icc_get
diff --git a/scripts/conftest/conftest.sh b/scripts/conftest/conftest.sh
index ad5309e5..512b3818 100755
--- a/scripts/conftest/conftest.sh
+++ b/scripts/conftest/conftest.sh
@@ -6956,6 +6956,23 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_DEVFREQ_HAS_FREQ_TABLE" "" "types"
         ;;
 
+	devfreq_has_suspend_freq)
+            #
+            # Determine if the 'devfreq' structure has 'suspend_freq'
+            #
+            # Commit 83f8ca45afbf ("PM / devfreq: add support for
+            # suspend/resume of a devfreq device") updated the devfreq
+            # and add the suspend_freq field in v5.0.
+            #
+            CODE="
+            #include <linux/devfreq.h>
+            int conftest_devfreq_has_suspend_freq(void) {
+                return offsetof(struct devfreq, suspend_freq);
+            }
+            "
+            compile_check_conftest "$CODE" "NV_DEVFREQ_HAS_SUSPEND_FREQ" "" "types"
+        ;;
+
         device_add_disk_has_int_return_type)
             #
             # Determine if the function device_add_disk() returns an integer.