linux-kernel - [PATCH] cpufreq: qcom-nvmem: fix compilation warning for qcom_cpufreq_ipq806x_match

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Message-ID: <20251120133508.4237-1-ansuelsmth@gmail.com>
Date: Thu, 20 Nov 2025 14:35:02 +0100
From: Christian Marangi <ansuelsmth@...il.com>
To: Ilia Lin <ilia.lin@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
	Christian Marangi <ansuelsmth@...il.com>,
	linux-pm@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: kernel test robot <lkp@...el.com>
Subject: [PATCH] cpufreq: qcom-nvmem: fix compilation warning for qcom_cpufreq_ipq806x_match_list

If CONFIG_OF is not enabled, of_match_node() is set as NULL and
qcom_cpufreq_ipq806x_match_list won't be used causing a compilation
warning.

Flag qcom_cpufreq_ipq806x_match_list as __maybe_unused to fix the
compilation warning.

While at it also flag as __initconst as it's used only in probe contest
and can be freed after probe.

This follows the pattern of the usual of_device_id variables.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202511202119.6zvvFMup-lkp@intel.com/
Fixes: 58f5d39d5ed8 ("cpufreq: qcom-nvmem: add compatible fallback for ipq806x for no SMEM")
Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 drivers/cpufreq/qcom-cpufreq-nvmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index d5af74bf71c6..6c3c125f6818 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -256,7 +256,7 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
 	return ret;
 }
 
-static const struct of_device_id qcom_cpufreq_ipq806x_match_list[] = {
+static const struct of_device_id qcom_cpufreq_ipq806x_match_list[] __initconst __maybe_unused = {
 	{ .compatible = "qcom,ipq8062", .data = (const void *)QCOM_ID_IPQ8062 },
 	{ .compatible = "qcom,ipq8064", .data = (const void *)QCOM_ID_IPQ8064 },
 	{ .compatible = "qcom,ipq8065", .data = (const void *)QCOM_ID_IPQ8065 },
-- 
2.51.0