linux-kernel - Re: [PATCH] tpm: separate cmd_ready/go_idle from runtime

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Message-ID: <20180522091732.GA5228@linux.intel.com>
Date:   Tue, 22 May 2018 12:17:32 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Tomas Winkler <tomas.winkler@...el.com>
Cc:     Jason Gunthorpe <jgg@...pe.ca>,
        Alexander Usyskin <alexander.usyskin@...el.com>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tpm: separate cmd_ready/go_idle from runtime_pm

On Wed, May 16, 2018 at 10:46:00PM +0300, Tomas Winkler wrote:
> New wrappers are added tpm_cmd_ready() and tpm_go_idle() wrappers to
> streamline tpm_try_transmit code. TPM_TRANSMIT_UNLOCKED flag is abused to
> resolve tpm spaces recursive calls to tpm_transmit().

This looks good and all but I don't think we want to abuse anything in
the driver code, do we?

In other words, either

1. New flag is to be added.
2. Rename the existing flag to something else than UNLOCKED (perhaps
   SPACE).

 /Jarkko