linux-kernel - Re: [tpmdd-devel] [PATCH RFC 1/3] tpm_crb: expand struct crb_control_area to struct crb

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Date:   Sun, 9 Oct 2016 21:26:50 -0600
From:   Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:     "Winkler, Tomas" <tomas.winkler@...el.com>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        "moderated list:TPM DEVICE DRIVER" 
        <tpmdd-devel@...ts.sourceforge.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [tpmdd-devel] [PATCH RFC 1/3] tpm_crb: expand struct
 crb_control_area to struct crb_regs

On Mon, Oct 10, 2016 at 12:25:11AM +0000, Winkler, Tomas wrote:

> I addition I believe it should be always on offset FED4_0xxxh by the
> Spec, so all this arithmetic is a bit of overkill.

We don't have any hard coded addresses in the drivers - that seems
very inappropriate these days..

Is that address really not discoverable via ACPI somehow?

Jason