diff options
| -rw-r--r-- | src/drivers/pc80/tpm/tis.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/pc80/tpm/tis.c b/src/drivers/pc80/tpm/tis.c index 6b84614c88..f7d9d6f152 100644 --- a/src/drivers/pc80/tpm/tis.c +++ b/src/drivers/pc80/tpm/tis.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. + * Copyright (C) 2018 Eltan B.V. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -911,7 +912,8 @@ static void lpc_tpm_fill_ssdt(struct device *dev) acpigen_write_name("_CRS"); acpigen_write_resourcetemplate_header(); acpigen_write_mem32fixed(1, CONFIG_TPM_TIS_BASE_ADDRESS, 0x5000); - acpigen_write_io16(port, port, 1, 2, 1); + if (port) + acpigen_write_io16(port, port, 1, 2, 1); if (CONFIG_TPM_PIRQ) { /* |