From patchwork Wed May 19 00:07:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jeffery X-Patchwork-Id: 441611 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, URIBL_BLOCKED, USER_AGENT_GIT 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 0B20BC433B4 for ; Wed, 19 May 2021 00:07:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E550360FF1 for ; Wed, 19 May 2021 00:07:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244274AbhESAIx (ORCPT ); Tue, 18 May 2021 20:08:53 -0400 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:35269 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244089AbhESAIw (ORCPT ); Tue, 18 May 2021 20:08:52 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.nyi.internal (Postfix) with ESMTP id 67976580606; Tue, 18 May 2021 20:07:33 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Tue, 18 May 2021 20:07:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=ZQpdzM6dhzIiO h3RhOhjIn/n8lrCmQ0vCBUyJ0+aRkQ=; b=IKPVqJBmeeRPT6yogAckd50jDOtYl ASjua4ps+81wElBClHLR97lY+/88nl/CSXw5v36lHlfB/camtJ7iMRc0HdifGMwu u9InIkmuHmu9BMOyXCgYRR74q6FDu76EqI2ovEE8riZvZJEoCN8lZeT0PEPicpHo 1bNpVNzIF2ei98ZEsUhXUKlCZx2Sc08fiqmLz+tuXttyfZlgm4rcwazvKpRu24XS AGAYbX38y7bJ58ifwg8Kziy0zBd1ceWwZR366a1h1vMjK7ODmeOfEOauL4j9rjNs tAmprJ5P9NX5EcfBAFYNtlFzLK+A6LqkJGX5EBZwiPkkudUqJR+dp0kIw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=ZQpdzM6dhzIiOh3RhOhjIn/n8lrCmQ0vCBUyJ0+aRkQ=; b=KmPyWLyj p81p0WFqTojCk1HRIrnLle1REIsGa+96bQt6Ht8W+jyNv7qq6UmazfHETqHf+SIZ ujon10qASwWtDGeTCq/+h1BDw7bGNvB5MhBzHiBxwMgBy+SJoHcdGQkAZQHr5YXB PVhAY/cE2R9tc/aJJeVOkMq2iIqpHcJ3IRZqi4YRa68bN24pDfPCyQEuAid4O046 RdyBKpovuNdB71CMdbleMrlWxGuWZFd0boDR+P3wLk7gOldkRvvIN97CDqVpejCR IsDQ+hEfmKKKuVf46L4dryx9GVnVUXhn4WEvV4et+SiP6XdeUvtzNrDPAr2z4GZA ovLH6BvjdNtvkw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdeikedgvdejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehnughrvgifucflvghffhgvrhihuceorghnughrvgifsegr jhdrihgurdgruheqnecuggftrfgrthhtvghrnhepjefgvdevheetkeevgeegleelgfelte etjeffleffvdduudevieffgeetleevhfetnecukfhppedvtdefrdehjedrvdduhedrkeen ucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrnhgurh gvfiesrghjrdhiugdrrghu X-ME-Proxy: Received: from mistburn.lan (203-57-215-8.dyn.iinet.net.au [203.57.215.8]) by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 18 May 2021 20:07:29 -0400 (EDT) From: Andrew Jeffery To: linux-serial@vger.kernel.org Cc: gregkh@linuxfoundation.org, jirislaby@kernel.org, joel@jms.id.au, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, jenmin_yuan@aspeedtech.com, ryan_chen@aspeedtech.com, miltonm@us.ibm.com Subject: [PATCH v2 2/2] serial: 8250: Use BIT(x) for UART_{CAP,BUG}_* Date: Wed, 19 May 2021 09:37:04 +0930 Message-Id: <20210519000704.3661773-3-andrew@aj.id.au> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210519000704.3661773-1-andrew@aj.id.au> References: <20210519000704.3661773-1-andrew@aj.id.au> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org BIT(x) improves readability and safety with respect to shifts. Signed-off-by: Andrew Jeffery --- drivers/tty/serial/8250/8250.h | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index 34aa2714f3c9..4fbf1088fad8 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -7,6 +7,7 @@ * Copyright (C) 2001 Russell King. */ +#include #include #include #include @@ -70,25 +71,25 @@ struct serial8250_config { unsigned int flags; }; -#define UART_CAP_FIFO (1 << 8) /* UART has FIFO */ -#define UART_CAP_EFR (1 << 9) /* UART has EFR */ -#define UART_CAP_SLEEP (1 << 10) /* UART has IER sleep */ -#define UART_CAP_AFE (1 << 11) /* MCR-based hw flow control */ -#define UART_CAP_UUE (1 << 12) /* UART needs IER bit 6 set (Xscale) */ -#define UART_CAP_RTOIE (1 << 13) /* UART needs IER bit 4 set (Xscale, Tegra) */ -#define UART_CAP_HFIFO (1 << 14) /* UART has a "hidden" FIFO */ -#define UART_CAP_RPM (1 << 15) /* Runtime PM is active while idle */ -#define UART_CAP_IRDA (1 << 16) /* UART supports IrDA line discipline */ -#define UART_CAP_MINI (1 << 17) /* Mini UART on BCM283X family lacks: +#define UART_CAP_FIFO BIT(8) /* UART has FIFO */ +#define UART_CAP_EFR BIT(9) /* UART has EFR */ +#define UART_CAP_SLEEP BIT(10) /* UART has IER sleep */ +#define UART_CAP_AFE BIT(11) /* MCR-based hw flow control */ +#define UART_CAP_UUE BIT(12) /* UART needs IER bit 6 set (Xscale) */ +#define UART_CAP_RTOIE BIT(13) /* UART needs IER bit 4 set (Xscale, Tegra) */ +#define UART_CAP_HFIFO BIT(14) /* UART has a "hidden" FIFO */ +#define UART_CAP_RPM BIT(15) /* Runtime PM is active while idle */ +#define UART_CAP_IRDA BIT(16) /* UART supports IrDA line discipline */ +#define UART_CAP_MINI BIT(17) /* Mini UART on BCM283X family lacks: * STOP PARITY EPAR SPAR WLEN5 WLEN6 */ -#define UART_BUG_QUOT (1 << 0) /* UART has buggy quot LSB */ -#define UART_BUG_TXEN (1 << 1) /* UART has buggy TX IIR status */ -#define UART_BUG_NOMSR (1 << 2) /* UART has buggy MSR status bits (Au1x00) */ -#define UART_BUG_THRE (1 << 3) /* UART has buggy THRE reassertion */ -#define UART_BUG_PARITY (1 << 4) /* UART mishandles parity if FIFO enabled */ -#define UART_BUG_TXRACE (1 << 5) /* UART Tx fails to set remote DR */ +#define UART_BUG_QUOT BIT(0) /* UART has buggy quot LSB */ +#define UART_BUG_TXEN BIT(1) /* UART has buggy TX IIR status */ +#define UART_BUG_NOMSR BIT(2) /* UART has buggy MSR status bits (Au1x00) */ +#define UART_BUG_THRE BIT(3) /* UART has buggy THRE reassertion */ +#define UART_BUG_PARITY BIT(4) /* UART mishandles parity if FIFO enabled */ +#define UART_BUG_TXRACE BIT(5) /* UART Tx fails to set remote DR */ #ifdef CONFIG_SERIAL_8250_SHARE_IRQ