[tpmdd-devel,08/10] devicetree: Add Trusted Computing Group to vendor-prefix.txt
diff mbox

Message ID 1460323386-16892-9-git-send-email-christophe-h.ricard@st.com
State New
Headers show

Commit Message

Christophe Ricard April 10, 2016, 9:23 p.m. UTC
Add missing vendor to vendor-prefix.txt.

Trusted Computing Group design common specifications for
TPM (Trusted Platform Module) vendors.
TCG designates a TPM answering to a public specification.

Cc: devicetree@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

Comments

Rob Herring April 11, 2016, 8:06 p.m. UTC | #1
On Sun, Apr 10, 2016 at 11:23:04PM +0200, Christophe Ricard wrote:
> Add missing vendor to vendor-prefix.txt.
> 
> Trusted Computing Group design common specifications for
> TPM (Trusted Platform Module) vendors.
> TCG designates a TPM answering to a public specification.

Not sure this should be a vendor prefix. Does TCG actually make h/w?

> 
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
> ---
>  Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 6c3d970..717bae9 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -230,6 +230,7 @@ stericsson	ST-Ericsson
>  synology	Synology, Inc.
>  tbs	TBS Technologies
>  tcl	Toby Churchill Ltd.
> +tcg	Trusted Computing Group
>  technologic	Technologic Systems
>  thine	THine Electronics, Inc.
>  ti	Texas Instruments
> -- 
> 2.1.4
> 
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Jason Gunthorpe April 11, 2016, 8:21 p.m. UTC | #2
On Mon, Apr 11, 2016 at 03:06:00PM -0500, Rob Herring wrote:
> On Sun, Apr 10, 2016 at 11:23:04PM +0200, Christophe Ricard wrote:
> > Add missing vendor to vendor-prefix.txt.
> > 
> > Trusted Computing Group design common specifications for
> > TPM (Trusted Platform Module) vendors.
> > TCG designates a TPM answering to a public specification.
> 
> Not sure this should be a vendor prefix. Does TCG actually make h/w?

They define the common multi-vendor register API, similar to AHCI.

I would imagine compatible tags like

 compatible = 'winbond,xxxx','tcg,tis_iomap';

Since there actually is a legal entity administering the spec (unlike
AHCI?) 'tgc,' seems like a better prefix to me than 'generic-' ?

Jason

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Rob Herring April 11, 2016, 10:37 p.m. UTC | #3
On Mon, Apr 11, 2016 at 3:21 PM, Jason Gunthorpe
<jgunthorpe@obsidianresearch.com> wrote:
> On Mon, Apr 11, 2016 at 03:06:00PM -0500, Rob Herring wrote:
>> On Sun, Apr 10, 2016 at 11:23:04PM +0200, Christophe Ricard wrote:
>> > Add missing vendor to vendor-prefix.txt.
>> >
>> > Trusted Computing Group design common specifications for
>> > TPM (Trusted Platform Module) vendors.
>> > TCG designates a TPM answering to a public specification.
>>
>> Not sure this should be a vendor prefix. Does TCG actually make h/w?
>
> They define the common multi-vendor register API, similar to AHCI.
>
> I would imagine compatible tags like
>
>  compatible = 'winbond,xxxx','tcg,tis_iomap';
>
> Since there actually is a legal entity administering the spec (unlike
> AHCI?) 'tgc,' seems like a better prefix to me than 'generic-' ?

Well, Intel "manages" the AHCI and EHCI specs. All the generic strings
are somewhat useless in the end IMO.

As long as you aren't planning to use it alone, it is fine.

Acked-by: Rob Herring <robh@kernel.org>

Rob

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Patch
diff mbox

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 6c3d970..717bae9 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -230,6 +230,7 @@  stericsson	ST-Ericsson
 synology	Synology, Inc.
 tbs	TBS Technologies
 tcl	Toby Churchill Ltd.
+tcg	Trusted Computing Group
 technologic	Technologic Systems
 thine	THine Electronics, Inc.
 ti	Texas Instruments