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path: root/drivers/char/tpm/tpm_tis.c
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Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
-rw-r--r--drivers/char/tpm/tpm_tis.c7
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)