From: Rob Herring <robh@kernel.org>
To: Nishanth Menon <nm@ti.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-serial@vger.kernel.org, Tony Lindgren <tony@atomide.com>,
Tero Kristo <t-kristo@ti.com>, Vignesh R <vigneshr@ti.com>,
Jiri Slaby <jslaby@suse.com>, Sekhar Nori <nsekhar@ti.com>
Subject: Re: [PATCH 1/2] dt-bindings: serial: 8250_omap: Add compatible for AM654 UART controller
Date: Tue, 26 Jun 2018 15:12:53 -0600 [thread overview]
Message-ID: <20180626211253.GA21853@rob-hp-laptop> (raw)
In-Reply-To: <20180619194450.6353-2-nm@ti.com>
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@ti.com>
> Cc: Vignesh R <vigneshr@ti.com>
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2018-06-26 21:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-19 19:44 [PATCH 0/2] serial: 8250_omap: Add compatible for AM654 UART Nishanth Menon
2018-06-19 19:44 ` [PATCH 1/2] dt-bindings: serial: 8250_omap: Add compatible for AM654 UART controller Nishanth Menon
2018-06-26 21:12 ` Rob Herring [this message]
2018-06-19 19:44 ` [PATCH 2/2] serial: 8250_omap: Add support " Nishanth Menon
2018-06-20 4:19 ` [PATCH 0/2] serial: 8250_omap: Add compatible for AM654 UART Tony Lindgren
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