From patchwork Fri Jun 18 06:14:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 464144 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=-18.8 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, SPF_PASS, 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 D6CBEC49EA2 for ; Fri, 18 Jun 2021 06:16:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDE6D6120A for ; Fri, 18 Jun 2021 06:16:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233089AbhFRGSh (ORCPT ); Fri, 18 Jun 2021 02:18:37 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:59074 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232846AbhFRGRs (ORCPT ); Fri, 18 Jun 2021 02:17:48 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 935B321B6A; Fri, 18 Jun 2021 06:15:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1623996927; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6+EellicTsqi+obK/4cr/ZZtT3Qc7mWagnt2gFZfGkg=; b=y/XpAbF5eS34fnY2R3wGtmn3D+WZ1w1qnzUK3tH5rMyW7znjkeYmSbcD/K4T74OGWBiTB2 BQCdMHE0f/hlyFrDOJpjmNCR3JOWKhp76f3Xe/GDUFHwy36HwQpNvNuj2Z3IKlRrqpRoNN /Wvcit1Uh4L/6CYtN9ErCd3UiW0UQXE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1623996927; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6+EellicTsqi+obK/4cr/ZZtT3Qc7mWagnt2gFZfGkg=; b=Z8qkJrGQisnRe4HvL05ZE14smd8QPMt4B6sXqZyHPfU/axV/FPyABu0WH7/I0A8wnTEPwZ J9cwpYOE5ho0NEBA== Received: from localhost.localdomain (unknown [10.100.208.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 6E54CA3B9D; Fri, 18 Jun 2021 06:15:27 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH 49/70] mxser: cleanup mxser_process_txrx_fifo Date: Fri, 18 Jun 2021 08:14:55 +0200 Message-Id: <20210618061516.662-50-jslaby@suse.cz> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210618061516.662-1-jslaby@suse.cz> References: <20210618061516.662-1-jslaby@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Rename process_txrx_fifo to mxser_process_txrx_fifo and: * remove useless parentheses * return from the 'if's true branch and process the rest in normal code flow (shift the code one level left) All this to make the code more readable. Signed-off-by: Jiri Slaby --- drivers/tty/mxser.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index bb4110d466cb..1e54e94a7ca6 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -398,22 +398,24 @@ static enum mxser_must_hwid mxser_must_get_hwid(unsigned long io) return MOXA_OTHER_UART; } -static void process_txrx_fifo(struct mxser_port *info) +static void mxser_process_txrx_fifo(struct mxser_port *info) { - int i; + unsigned int i; - if ((info->type == PORT_16450) || (info->type == PORT_8250)) { + if (info->type == PORT_16450 || info->type == PORT_8250) { info->rx_high_water = 1; info->rx_low_water = 1; info->xmit_fifo_size = 1; - } else - for (i = 0; i < UART_INFO_NUM; i++) - if (info->board->must_hwid == Gpci_uart_info[i].type) { - info->rx_low_water = Gpci_uart_info[i].rx_low_water; - info->rx_high_water = Gpci_uart_info[i].rx_high_water; - info->xmit_fifo_size = Gpci_uart_info[i].fifo_size; - break; - } + return; + } + + for (i = 0; i < UART_INFO_NUM; i++) + if (info->board->must_hwid == Gpci_uart_info[i].type) { + info->rx_low_water = Gpci_uart_info[i].rx_low_water; + info->rx_high_water = Gpci_uart_info[i].rx_high_water; + info->xmit_fifo_size = Gpci_uart_info[i].fifo_size; + break; + } } static int mxser_carrier_raised(struct tty_port *port) @@ -1149,7 +1151,7 @@ static int mxser_set_serial_info(struct tty_struct *tty, info->type = ss->type; - process_txrx_fifo(info); + mxser_process_txrx_fifo(info); } if (tty_port_initialized(port)) { @@ -1895,7 +1897,7 @@ static void mxser_initbrd(struct mxser_board *brd, bool high_baud) info->type = PORT_16550A; - process_txrx_fifo(info); + mxser_process_txrx_fifo(info); info->port.close_delay = 5 * HZ / 10; info->port.closing_wait = 30 * HZ;