From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B6D0C43144 for ; Tue, 26 Jun 2018 21:12:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1DA8E2689C for ; Tue, 26 Jun 2018 21:12:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1DA8E2689C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752118AbeFZVM5 (ORCPT ); Tue, 26 Jun 2018 17:12:57 -0400 Received: from mail-pg0-f65.google.com ([74.125.83.65]:35111 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751081AbeFZVMz (ORCPT ); Tue, 26 Jun 2018 17:12:55 -0400 Received: by mail-pg0-f65.google.com with SMTP id i7-v6so8167361pgp.2; Tue, 26 Jun 2018 14:12:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=rhFAFfVfMsfBbMOO7hKGZid1eiJEwaO3MlIjGk84Yic=; b=dLSs8nNQiMbCL5TWk9wdOjRdWmoe22RV4XUMCWILeZSjdljRATf9ODDhEW5F4rcmcm arO06lakBnkU4y9sP4UBybz0hsrEZtBRyQHbNCciJt+RvV2uELUKKt6ez3GbuZKY8p4X dXrwJfF9yASAKK7l+YMdb4e7NChLHwUpGxFK4uXwRb3l+K677Eu3rDvKg0nC/1t6HbR0 +NRSmwAky+8+sibPxkmiptc6pn7p35KydlAlH/ryomQFKHLWSrcFFyn6NvyWZAxwXwoK B1mmsTuoJlw/kRTeQfv2PcFASTbMDddp8t94vPg/E13V6SqYRGKmi1THL7O9lx2V2YRg FZOA== X-Gm-Message-State: APt69E1GCxDqKpr8Hdk2sPf5XQ730JxIfA53EzE2Ia6jpqFFCi6c9iCn stO2KUA/pzciQE4uaAO3kQ== X-Google-Smtp-Source: ADUXVKLeHlm1kw//fDH7GCt5U+aioS3Vpoy6Ztl9USBt6behkldEc6SEtByezK14Wsa+EOeyKNfnUQ== X-Received: by 2002:a65:65ca:: with SMTP id y10-v6mr2708022pgv.359.1530047574809; Tue, 26 Jun 2018 14:12:54 -0700 (PDT) Received: from localhost (24-223-123-72.static.usa-companies.net. [24.223.123.72]) by smtp.gmail.com with ESMTPSA id m1-v6sm3576905pfh.155.2018.06.26.14.12.53 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 26 Jun 2018 14:12:54 -0700 (PDT) Date: Tue, 26 Jun 2018 15:12:53 -0600 From: Rob Herring To: Nishanth Menon Cc: Mark Rutland , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, Tony Lindgren , Tero Kristo , Vignesh R , Jiri Slaby , Sekhar Nori Subject: Re: [PATCH 1/2] dt-bindings: serial: 8250_omap: Add compatible for AM654 UART controller Message-ID: <20180626211253.GA21853@rob-hp-laptop> References: <20180619194450.6353-1-nm@ti.com> <20180619194450.6353-2-nm@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180619194450.6353-2-nm@ti.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > Cc: Vignesh R > Signed-off-by: Nishanth Menon > --- Acked-by: Rob Herring