linux-kernel - Re: [PATCH] tpm: move struct tpm_class

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Message-ID: <20160902223522.GA27454@intel.com>
Date:   Sat, 3 Sep 2016 01:35:22 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:     Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        "moderated list:TPM DEVICE DRIVER" 
        <tpmdd-devel@...ts.sourceforge.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tpm: move struct tpm_class_ops to drivers/char/tpm/tpm.h

On Fri, Sep 02, 2016 at 04:11:22PM -0600, Jason Gunthorpe wrote:
> On Sat, Sep 03, 2016 at 12:48:03AM +0300, Jarkko Sakkinen wrote:
> > The struct tpm_class_ops is not used outside the TPM driver. Thus,
> > it can be safely move to drivers/char/tpm/tpm.h.
> 
> No, this is the wrong direction.
> 
> The goal is to make things more like other subsystems, so we should be
> moving struct tpm_chip into the public header, and that requires ops
> to be in the public header.
> 
> This is why I put ops here in the first place.

I'm OK with it as long as you explain why this is necessary. I see no
use for them outside the TPM subsystem.

> Jason

/Jarkko