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| author | Niklas Schnelle <schnelle@linux.ibm.com> | 2024-04-04 12:58:40 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko@kernel.org> | 2024-05-09 22:30:50 +0300 |
| commit | 6155153601183061cbc54516f4db843cb80f2e02 (patch) | |
| tree | c190343612932a6b025ea95dce403b446ea76641 /drivers/char/tpm/Kconfig | |
| parent | 45db3ab70092637967967bfd8e6144017638563c (diff) | |
| download | lwn-6155153601183061cbc54516f4db843cb80f2e02.tar.gz lwn-6155153601183061cbc54516f4db843cb80f2e02.zip | |
char: tpm: handle HAS_IOPORT dependencies
In a future patch HAS_IOPORT=n will disable inb()/outb() and friends at
compile time. We thus need to add this dependency and ifdef sections of
code using inb()/outb() as alternative access methods.
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Diffstat (limited to 'drivers/char/tpm/Kconfig')
| -rw-r--r-- | drivers/char/tpm/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index 927088b2c3d3..418c9ed59ffd 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -149,6 +149,7 @@ config TCG_NSC config TCG_ATMEL tristate "Atmel TPM Interface" depends on PPC64 || HAS_IOPORT_MAP + depends on HAS_IOPORT help If you have a TPM security chip from Atmel say Yes and it will be accessible from within Linux. To compile this driver |