1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 7fc2f108f490..3f4051a7c5a7 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -80,7 +80,7 @@ enum tis_defaults {
 static LIST_HEAD(tis_chips);
 static DEFINE_SPINLOCK(tis_lock);
 
-#ifdef CONFIG_PNP
+#if defined(CONFIG_PNP) && defined(CONFIG_ACPI)
 static int is_itpm(struct pnp_dev *dev)
 {
         struct acpi_device *acpi = pnp_acpi_device(dev);
@@ -93,6 +93,11 @@ static int is_itpm(struct pnp_dev *dev)
 
         return 0;
 }
+#else
+static inline int is_itpm(struct pnp_dev *dev)
+{
+        return 0;
+}
 #endif
 
 static int check_locality(struct tpm_chip *chip, int l)