From patchwork Mon Mar 8 17:05:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Cooper X-Patchwork-Id: 395787 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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 A428FC433E0 for ; Mon, 8 Mar 2021 17:06:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 61CE76522C for ; Mon, 8 Mar 2021 17:06:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230320AbhCHRFk (ORCPT ); Mon, 8 Mar 2021 12:05:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229813AbhCHRFi (ORCPT ); Mon, 8 Mar 2021 12:05:38 -0500 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A802AC06174A; Mon, 8 Mar 2021 09:05:38 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id mz6-20020a17090b3786b02900c16cb41d63so3496938pjb.2; Mon, 08 Mar 2021 09:05:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=lfj24uHfDXCDzPAd0u/gSCrkDQTvvskC3Jc39hYhWaM=; b=AzEIhwMdG3Hgbd1sqDWBlueOlLVvaMKnRdgDXZY68sdW/wTVrUikrHnYI/Enoruig6 sHl5iUhRnEaLTcdEv98BoXvH2BOzkCPkQs27PNXXESIgkBW1wB0DlhHjvv0jzLmjxsZi Rmb2m67nZv60XJqWGNS1Ie7W4cPEY3YEzZ3KJ4YWbMoihZl0K51fxD1e5IxieX7Uh1VD fRys1udaF21b1X/h+91Ss1epEiQGI1YhShbw6E/alxaIQIGTEWo1X6PF6+OZbCLskdGY K7JRMiCE0im+XubZdXw3RB5xYc8qVL/q/L02D9hitP+iJ3g+0RvVsvHOIIR6CA28RZmr Gy5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=lfj24uHfDXCDzPAd0u/gSCrkDQTvvskC3Jc39hYhWaM=; b=eq9RYyXwC+aVx4uNe+NpMAYQlqUwBiJvC6zG5QBKXak/577M5v0yt75tHGEJ2xYCrA +fwQYnm8qpM2TLWPLMc25UkUUkpu++iMnbjZz/2ORfV0vkf2YXEmcJEyfS696w+RjBXs 5uhdICml9v4mY33uCsXF/SFhtC+0F+rXH1tNdXLexpWdYpt+sEwgtVUgjuQu+UhtlNRy /6bzHIf4YDWzLI8PiKMpHsgQan7XIWQy2DQSfp3aluIqnUaaegtxUGPoVoXaSPG/uSN1 aTTbCBOT3C8v+1N0YySgz+OPvEhsg5MdAspwPjV/BiHVV51m2z9Pcv68/dEnxffAcVTV 6RIw== X-Gm-Message-State: AOAM532a3FP/EQ2MztNJRFKNH8dMk0vFNrjrbiC9cdX8Yqu74KfDs2cK h6HjzS8/RhUtj4PU1d6NN/pp1e3dads= X-Google-Smtp-Source: ABdhPJz6MrKazSqaRRattcXcCrDEHoxpAXXCzYxkO4nArhQuIYwzk0NGshAGxUG2tbXJsgwxtGQ8BA== X-Received: by 2002:a17:90a:fd89:: with SMTP id cx9mr25586635pjb.93.1615223138001; Mon, 08 Mar 2021 09:05:38 -0800 (PST) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id a21sm4980477pfh.31.2021.03.08.09.05.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 09:05:37 -0800 (PST) From: Al Cooper To: linux-kernel@vger.kernel.org Cc: Al Cooper , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, Masahiro Yamada , Rob Herring Subject: [PATCH v4 0/2] 8250: Add driver for Broadcom UART Date: Mon, 8 Mar 2021 12:05:20 -0500 Message-Id: <20210308170522.4272-1-alcooperx@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org v5 - Changes based on requests from Greg Kroah-Hartman - Move sysfs stats to debugfs. - Merge the .h file into the .c file. - Convert "flags" with only one flag to bool - Remove most dev_dbg() messages. Some can be replaced by using ftrace and some would cause a crash if the driver was used for the console. v4 - Fix MAINTAINERS - Make all changes requested by Jira Slaby. The only functional change was to handle errors returned by brcmuart_arbitration() in brcmuart_resume(). v3 - remove "disable_dma" module param because it can be done by modifying the device tree node instead. Reduce size by removing some debug fuctionality that was no longer used. - Fix error from yaml compiler in bindings v2 - remove the patch that modified 8250_of.c to keep it from registering before this driver when this driver was deferred as it was getting it's "clocks". This was fixed by changing the Device Tree entry to remove "clock-frequency". This results in both drivers getting "clocks" and getting same the deferral. Al Cooper (2): dt-bindings: Add support for the Broadcom UART driver serial: 8250: Add new 8250-core based Broadcom STB driver .../bindings/serial/brcm,bcm7271-uart.yaml | 96 ++ MAINTAINERS | 8 + drivers/tty/serial/8250/8250_bcm7271.c | 1207 +++++++++++++++++ drivers/tty/serial/8250/Kconfig | 10 + drivers/tty/serial/8250/Makefile | 1 + 5 files changed, 1322 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm7271-uart.yaml create mode 100644 drivers/tty/serial/8250/8250_bcm7271.c