Re: [PATCH 1/8] tpm: block messages while suspended

From: Jarkko Sakkinen
Date: Fri Jun 14 2019 - 11:31:56 EST


On Thu, Jun 13, 2019 at 11:09:24AM -0700, Stephen Boyd wrote:
> diff --git a/include/linux/tpm.h b/include/linux/tpm.h
> index 1b5436b213a2..48df005228d0 100644
> --- a/include/linux/tpm.h
> +++ b/include/linux/tpm.h
> @@ -132,6 +132,8 @@ struct tpm_chip {
> int dev_num; /* /dev/tpm# */
> unsigned long is_open; /* only one allowed */
>
> + unsigned long is_suspended;
> +
> char hwrng_name[64];
> struct hwrng hwrng;

I think it would better idea to have a bitmask of some sort that
would have bits for 'open' and 'suspended'.

/Jarkko