linux-kernel - Re: [PATCH 1/2] dt-bindings: serial: 8250_omap: Add compatible for AM654 UART controller

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Date:   Tue, 26 Jun 2018 15:12:53 -0600
From:   Rob Herring <robh@...nel.org>
To:     Nishanth Menon <nm@...com>
Cc:     Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-serial@...r.kernel.org, Tony Lindgren <tony@...mide.com>,
        Tero Kristo <t-kristo@...com>, Vignesh R <vigneshr@...com>,
        Jiri Slaby <jslaby@...e.com>, Sekhar Nori <nsekhar@...com>
Subject: Re: [PATCH 1/2] dt-bindings: serial: 8250_omap: Add compatible for
 AM654 UART controller

On Tue, Jun 19, 2018 at 02:44:49PM -0500, Nishanth Menon wrote:
> AM654 uses a UART controller that is only partially compatible with
> existing 8250 UART. UART DMA integration is substantially different
> and even a match against standard 8250 or omap4 would result in
> non-working UART once DMA is enabled by default.
> 
> Introduce a specific compatible to help build up the differences in
> follow on patches.
> 
> Cc: Sekhar Nori <nsekhar@...com>
> Cc: Vignesh R <vigneshr@...com>
> Signed-off-by: Nishanth Menon <nm@...com>
> ---

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