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| author | Frans Hendriks <fhendriks@eltan.com> | 2018-10-29 14:30:58 +0100 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2018-10-29 14:27:16 +0000 |
| commit | 6cc937e687d8761bcdf26a0b5a122c392238d10c (patch) | |
| tree | 66815d0641a75e921711b7063660b9f3e84ee9bb /src/drivers/pc80/tpm/tis.c | |
| parent | 9b83f760cdf887421fcee533a7a8ef310ebb6fae (diff) | |
| download | coreboot-6cc937e687d8761bcdf26a0b5a122c392238d10c.tar.xz | |
src/drivers/pc80/tpm/tis.c: Dont use port value when invalid.
port is allocated in ACPI, without checking for value.
Don't use port value when zero.
BUG=N/A
TEST=Portwell PQ-M107
Change-Id: Ia44281b82d003b29bffbf985b774ddd661b65c4e
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/29331
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Diffstat (limited to 'src/drivers/pc80/tpm/tis.c')
| -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) { /* |