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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, 7 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 1cb5a7f0755..9c0727bf28b 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;