If the configuration hasn't specified this parameter the rest of the new
RTC functionality should just be ignored.
Fixes: 59348401ebed ("platform/x86: amd-pmc: Add special handling for timer based S0i3 wakeup")
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
drivers/platform/x86/amd-pmc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
index 678bf6874c63..95cb724918e0 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -416,7 +416,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
static int amd_pmc_verify_czn_rtc(struct amd_pmc_dev *pdev, u32 *arg)
{
- struct rtc_device *rtc_device;
+ struct rtc_device *rtc_device = NULL;
time64_t then, now, duration;
struct rtc_wkalrm alarm;
struct rtc_time tm;
@@ -425,7 +425,9 @@ static int amd_pmc_verify_czn_rtc(struct amd_pmc_dev *pdev, u32 *arg)
if (pdev->major < 64 || (pdev->major == 64 && pdev->minor < 53))
return 0;
+#ifdef CONFIG_RTC_SYSTOHC
rtc_device = rtc_class_open(CONFIG_RTC_SYSTOHC_DEVICE);
+#endif
if (!rtc_device)
return 0;
rc = rtc_read_alarm(rtc_device, &alarm);
--
2.25.1
