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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,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 BD360C43387 for ; Wed, 9 Jan 2019 21:44:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93A71206BB for ; Wed, 9 Jan 2019 21:44:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727466AbfAIVoI (ORCPT ); Wed, 9 Jan 2019 16:44:08 -0500 Received: from muru.com ([72.249.23.125]:32920 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726094AbfAIVoH (ORCPT ); Wed, 9 Jan 2019 16:44:07 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 08EA080C5; Wed, 9 Jan 2019 21:44:12 +0000 (UTC) Date: Wed, 9 Jan 2019 13:44:03 -0800 From: Tony Lindgren To: Vignesh R Cc: Greg Kroah-Hartman , Rob Herring , Jiri Slaby , Lokesh Vutla , linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] serial: 8250_omap: Drop check for of_node Message-ID: <20190109214403.GW5544@atomide.com> References: <20190109091206.25759-1-vigneshr@ti.com> <20190109091206.25759-2-vigneshr@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190109091206.25759-2-vigneshr@ti.com> User-Agent: Mutt/1.11.1 (2018-12-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Vignesh R [190109 09:11]: > 8250_omap is DT only driver so dev->of_node always exists. Drop check > for existence of valid dev->of_node to simplify omap8250_probe(). That part seems safe to me now. > --- a/drivers/tty/serial/8250/8250_omap.c > +++ b/drivers/tty/serial/8250/8250_omap.c ... > - const struct of_device_id *id; > - > - ret = of_alias_get_id(pdev->dev.of_node, "serial"); > - > - of_property_read_u32(pdev->dev.of_node, "clock-frequency", > - &up.port.uartclk); > - priv->wakeirq = irq_of_parse_and_map(pdev->dev.of_node, 1); > - > - id = of_match_device(of_match_ptr(omap8250_dt_ids), &pdev->dev); > - if (id && id->data) > - priv->habit |= *(u8 *)id->data; But this part it seems we still need to keep around as we still have lots of clock-frequency references in the *.dtsi files. Or am I missing something? Regards Tony