[PATCH] platform/x86:intel/pmc: Encapsulate callbacks registration in CONFIG_X86_PM_TIMER check

[Marek Maslanka <mmaslanka@google.com>]

Encapsulate the code that registers and unregisters the ACPI PM Timer
suspend/resume callback to checks that CONFIG_X86_PM_TIMER is enabled.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409090259.6vsS5Bni-lkp@intel.com/
Signed-off-by: Marek Maslanka <mmaslanka@google.com>
---
 drivers/platform/x86/intel/pmc/core.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index 695804ca8de4..0c6392eeacee 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -1215,6 +1215,7 @@ static bool pmc_core_is_pson_residency_enabled(struct pmc_dev *pmcdev)
 	return val == 1;
 }
 
+#ifdef CONFIG_X86_PM_TIMER
 /*
  * Enable or disable ACPI PM Timer
  *
@@ -1247,6 +1248,7 @@ static void pmc_core_acpi_pm_timer_suspend_resume(void *data, bool suspend)
 
 	pmcdev->enable_acpi_pm_timer_on_resume = suspend && enabled;
 }
+#endif
 
 static void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
 {
@@ -1443,9 +1445,11 @@ static int pmc_core_probe(struct platform_device *pdev)
 	struct pmc_dev *pmcdev;
 	const struct x86_cpu_id *cpu_id;
 	int (*core_init)(struct pmc_dev *pmcdev);
-	const struct pmc_reg_map *map;
 	struct pmc *primary_pmc;
 	int ret;
+#ifdef CONFIG_X86_PM_TIMER
+	const struct pmc_reg_map *map;
+#endif
 
 	if (device_initialized)
 		return -ENODEV;
@@ -1502,10 +1506,12 @@ static int pmc_core_probe(struct platform_device *pdev)
 	pm_report_max_hw_sleep(FIELD_MAX(SLP_S0_RES_COUNTER_MASK) *
 			       pmc_core_adjust_slp_s0_step(primary_pmc, 1));
 
+#ifdef CONFIG_X86_PM_TIMER
 	map = primary_pmc->map;
 	if (map->acpi_pm_tmr_ctl_offset)
 		acpi_pmtmr_register_suspend_resume_callback(pmc_core_acpi_pm_timer_suspend_resume,
-							 pmcdev);
+							    pmcdev);
+#endif
 
 	device_initialized = true;
 	dev_info(&pdev->dev, " initialized\n");
@@ -1516,11 +1522,13 @@ static int pmc_core_probe(struct platform_device *pdev)
 static void pmc_core_remove(struct platform_device *pdev)
 {
 	struct pmc_dev *pmcdev = platform_get_drvdata(pdev);
+#ifdef CONFIG_X86_PM_TIMER
 	const struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
 	const struct pmc_reg_map *map = pmc->map;
 
 	if (map->acpi_pm_tmr_ctl_offset)
 		acpi_pmtmr_unregister_suspend_resume_callback();
+#endif
 
 	pmc_core_dbgfs_unregister(pmcdev);
 	pmc_core_clean_structure(pdev);
-- 
2.46.0.469.g59c65b2a67-goog