[PATCH v7 2/5] tpm: Implement tpm_default_chip() to find a TPM chip

[Jarkko Sakkinen]

On Tue, 2018-06-26 at 15:09 -0400, Stefan Berger wrote:
> Implement tpm_default_chip() to find the first TPM chip and return it to
> the caller while increasing the reference count on its device. This
> function can be used by other subsystems, such as IMA, to find the system's
> default TPM chip and use it for all subsequent TPM operations.
> 
> Signed-off-by: Stefan Berger <stefanb at linux.vnet.ibm.com>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen at linux.intel.com>

/Jarkko
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