[PATCH -next] crypto: sl3516 - Fix build warning without CONFIG_PM

[YueHaibing]

drivers/crypto/gemini/sl3516-ce-core.c:345:12:
 warning: ‘sl3516_ce_pm_resume’ defined but not used [-Wunused-function]
 static int sl3516_ce_pm_resume(struct device *dev)
            ^~~~~~~~~~~~~~~~~~~

Use #ifdef macro to guard this.

Signed-off-by: YueHaibing <yuehaibing at huawei.com>
---
 drivers/crypto/gemini/sl3516-ce-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/gemini/sl3516-ce-core.c b/drivers/crypto/gemini/sl3516-ce-core.c
index da6cd529a6c0..00bfc5e19818 100644
--- a/drivers/crypto/gemini/sl3516-ce-core.c
+++ b/drivers/crypto/gemini/sl3516-ce-core.c
@@ -320,6 +320,7 @@ static void sl3516_ce_unregister_algs(struct sl3516_ce_dev *ce)
 	}
 }
 
+#ifdef CONFIG_PM
 static void sl3516_ce_start(struct sl3516_ce_dev *ce)
 {
 	ce->ctx = 0;
@@ -365,6 +366,7 @@ static int sl3516_ce_pm_resume(struct device *dev)
 	sl3516_ce_pm_suspend(dev);
 	return err;
 }
+#endif
 
 static const struct dev_pm_ops sl3516_ce_pm_ops = {
 	SET_RUNTIME_PM_OPS(sl3516_ce_pm_suspend, sl3516_ce_pm_resume, NULL)
-- 
2.17.1