From patchwork Fri Dec 30 11:46:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 638139 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB12FC4708E for ; Fri, 30 Dec 2022 11:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229759AbiL3LqP (ORCPT ); Fri, 30 Dec 2022 06:46:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbiL3LqO (ORCPT ); Fri, 30 Dec 2022 06:46:14 -0500 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FA0B62DB; Fri, 30 Dec 2022 03:46:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1672400773; x=1703936773; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=+C+F27SERRX5/mMHkFvQQdCIf1T1mofGj6ltPhh/hUw=; b=UEa/ZLr7wul3SdojNttLMFDxKCtJafnLcKDGVx2eUTSfftisfFJTgyoV 5C789plYN8K2eWqxSir8DfTBSxNyEfXLw9gBm+gw+lzx+0/b2rjnHXswE RWLjkmnWzcxbsA9IgOQnKVyx3/6iOOL0azEJsf9u0JbN9AJAe1MYwVW1T cXu9ndJl2S+mLa1StRaOs7CI96tGrDuBfZKhXewFdwhOt97eXfOQkagXw CdUTWxHw5XwudfECJS7RnwsbNtLzLKik+EQU7Bq6/TKYhQahbQBB49Nb8 V6RE2kGCoc5YF6+OeVPnfpwFF2F2/b0PWickWF46BveCdnAxyo1iPHvUi w==; X-IronPort-AV: E=McAfee;i="6500,9779,10575"; a="301567990" X-IronPort-AV: E=Sophos;i="5.96,287,1665471600"; d="scan'208";a="301567990" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Dec 2022 03:46:12 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10575"; a="653865346" X-IronPort-AV: E=Sophos;i="5.96,287,1665471600"; d="scan'208";a="653865346" Received: from vsemouch-mobl.ger.corp.intel.com (HELO ijarvine-MOBL2.ger.corp.intel.com) ([10.249.41.102]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Dec 2022 03:46:09 -0800 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, Thomas Bogendoerfer , linux-mips@vger.kernel.org Cc: inux-kernel@vger.kernel.org, =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH 0/3] serial: Separate RT288x/Au1xxx code into own file Date: Fri, 30 Dec 2022 13:46:00 +0200 Message-Id: <20221230114603.16946-1-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org A non-trivial amount of RT288x/Au1xxx code is encapsulated into ifdeffery in 8250_port / 8250_early and some if/switch UPIO_AU blocks. Create a separate file from them and do a few additional cleanups. I kept the Kconfig entry as bool because the code has somewhat tricky dependency chain (mips arch code and 8250_of driver). It would be nice to make it tristate but I don't know how blocking some invalid =m + =y combinations would be best addressed. It should probably be best done on top of this series independent of the split itself anyway. UPIO_AU could now be removed because it's same as UPIO_MEM for the remaining code path but I'm unsure if that's allowed (is the port iotype part of stable ABI or not)? Ilpo Järvinen (3): serial: 8250: RT288x/Au1xxx code away from core serial: 8250_rt288x: Name non-standard divisor latch reg serial: 8250_rt288x: Remove unnecessary UART_REG_UNMAPPED arch/mips/alchemy/common/platform.c | 10 +- drivers/tty/serial/8250/8250_core.c | 4 + drivers/tty/serial/8250/8250_early.c | 21 ---- drivers/tty/serial/8250/8250_of.c | 4 +- drivers/tty/serial/8250/8250_port.c | 78 --------------- drivers/tty/serial/8250/8250_rt288x.c | 135 ++++++++++++++++++++++++++ drivers/tty/serial/8250/Makefile | 1 + include/linux/serial_8250.h | 14 ++- 8 files changed, 163 insertions(+), 104 deletions(-) create mode 100644 drivers/tty/serial/8250/8250_rt288x.c