From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760630AbcIADk2 (ORCPT ); Wed, 31 Aug 2016 23:40:28 -0400 Received: from mail-pa0-f66.google.com ([209.85.220.66]:33362 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754623AbcIADkV (ORCPT ); Wed, 31 Aug 2016 23:40:21 -0400 From: "Ji-Ze Hong (Peter Hong)" X-Google-Original-From: "Ji-Ze Hong (Peter Hong)" To: gregkh@linuxfoundation.org, jslaby@suse.com, ricardo.ribalda@gmail.com Cc: arnd@arndb.de, peter@hurleysoftware.com, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, tom_tsai@fintek.com.tw, peter_hong@fintek.com.tw, "Ji-Ze Hong (Peter Hong)" Subject: [PATCH 0/7] serial: 8250_fintek: Fix the IRQ mode and code refactoring Date: Thu, 1 Sep 2016 11:39:49 +0800 Message-Id: <1472701196-14795-1-git-send-email-hpeter+linux_kernel@gmail.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following patches will fix the Fintek LPC to UARTs IRQ mode mismatch issue, code refactoring and this series patches should follow by patch rename IRQ_MODE macro on 'commit 87a713c8ffca ("8250/fintek: rename IRQ_MODE macro")'. with tty-linus branch. Some BIOS only use _OSI("Linux") to distinguish between Linux & Windows. Apply Level/Low to UART trigger mode if Windows, Edge/High otherwise. But since 2.6.23 the mainline kernel no longer returns true for _OSI(“Linux”). The BIOS ASL should avoid to use _OSI() to check system type and use ACPI MADT override IRQ mode instead. We'll try to refactoring the source code more readable with SuperIO read/write register functions. Ricardo Ribalda Delgado suggest fixing a potential NULL pointer dereference with applied patch fix the mismatched IRQ mode on 'commit 4da22f1418cb ("serial: 8250_fintek: fix the mismatched IRQ mode")'. had been implemented with 8250_fintek: Set IRQ Mode when port probed. Ji-Ze Hong (Peter Hong) (7): serial: 8250_fintek: Refactoring read/write method serial: 8250_fintek: Set IRQ Mode when port probed serial: 8250_fintek: Set maximum FIFO of F81216H serial: 8250_fintek: Rearrange function serial: 8250_fintek: Add F81216 Support serial: 8250_fintek: Add F81866 Support serial: 8250_fintek: Add F81865 Support drivers/tty/serial/8250/8250_fintek.c | 233 +++++++++++++++++++++++++--------- 1 file changed, 175 insertions(+), 58 deletions(-) -- 1.9.1