1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 1cb5a7f0755d..9c0727bf28b7 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -52,6 +52,8 @@ enum tis_int_flags {
 };
 
 enum tis_defaults {
+        TIS_MEM_BASE = 0xFED4000,
+        TIS_MEM_LEN = 0x5000,
         TIS_SHORT_TIMEOUT = 750, /* ms */
         TIS_LONG_TIMEOUT = 2000, /* 2 sec */
 };
@@ -437,6 +439,11 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev
         start = pnp_mem_start(pnp_dev, 0);
         len = pnp_mem_len(pnp_dev, 0);
 
+        if (!start)
+                start = TIS_MEM_BASE;
+        if (!len)
+                len = TIS_MEM_LEN;
+
         if (!(chip = tpm_register_hardware(&pnp_dev->dev, &tpm_tis)))
                 return -ENODEV;