cpufreq: pcc-cpufreq: Mark sometimes used ID structs as __maybe_unused

Lee Jones · rafaeljw · commit 3098174990f5 · 2020-07-15T15:17:06.000+02:00
Not used when MODULE is not defined.

Fixes the following W=1 kernel build warning(s):

 drivers/cpufreq/pcc-cpufreq.c:619:36: warning: ‘processor_device_ids’ defined but not used [-Wunused-const-variable=]
 619 | static const struct acpi_device_id processor_device_ids[] = {
 | ^~~~~~~~~~~~~~~~~~~~

Signed-off-by: Lee Jones &lt;lee.jones@linaro.org&gt;
Acked-by: Viresh Kumar &lt;viresh.kumar@linaro.org&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
@@ -616,7 +616,7 @@ static void __exit pcc_cpufreq_exit(void)
 	free_percpu(pcc_cpu_info);
 }
 
-static const struct acpi_device_id processor_device_ids[] = {
+static const struct acpi_device_id __maybe_unused processor_device_ids[] = {
 	{ACPI_PROCESSOR_OBJECT_HID, },
 	{ACPI_PROCESSOR_DEVICE_HID, },
 	{},

Original file line number	Diff line number	Diff line change
`@@ -616,7 +616,7 @@ static void __exit pcc_cpufreq_exit(void)`
`616`	`616`	`free_percpu(pcc_cpu_info);`
`617`	`617`	`}`
`618`	`618`
`619`		`-static const struct acpi_device_id processor_device_ids[] = {`
	`619`	`+static const struct acpi_device_id __maybe_unused processor_device_ids[] = {`
`620`	`620`	`{ACPI_PROCESSOR_OBJECT_HID, },`
`621`	`621`	`{ACPI_PROCESSOR_DEVICE_HID, },`
`622`	`622`	`{},`