From patchwork Wed Jul 9 17:49:35 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 4519341 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B510EBEEAA for ; Wed, 9 Jul 2014 17:52:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EA20620375 for ; Wed, 9 Jul 2014 17:52:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 26EBA20351 for ; Wed, 9 Jul 2014 17:52:30 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1X4w0n-0001av-Qd; Wed, 09 Jul 2014 17:50:33 +0000 Received: from galois.linutronix.de ([2001:470:1f0b:db:abcd:42:0:1]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1X4w0d-0000JJ-7U for linux-arm-kernel@lists.infradead.org; Wed, 09 Jul 2014 17:50:23 +0000 Received: from localhost ([127.0.0.1] helo=bazinga.breakpoint.cc) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1X4w0H-00020N-G5; Wed, 09 Jul 2014 19:50:01 +0200 From: Sebastian Andrzej Siewior To: linux-omap@vger.kernel.org Subject: [PATCH 4/6] tty: serial: 8250-core: reorder serial8250_stop_rx() & serial8250_start_tx() Date: Wed, 9 Jul 2014 19:49:35 +0200 Message-Id: <1404928177-26554-5-git-send-email-bigeasy@linutronix.de> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1404928177-26554-1-git-send-email-bigeasy@linutronix.de> References: <1404928177-26554-1-git-send-email-bigeasy@linutronix.de> X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1, SHORTCIRCUIT=-0.0001 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140709_105023_441177_108B8768 X-CRM114-Status: UNSURE ( 8.37 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: Tony Lindgren , Sebastian Andrzej Siewior , linux-kernel@vger.kernel.org, Felipe Balbi , linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP With the upcomming rs485 support it is required that serial8250_stop_rx() is called from serial8250_start_tx(). With this reordering there is no need for a forward declaration of the former function. Signed-off-by: Sebastian Andrzej Siewior --- drivers/tty/serial/8250/8250_core.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 1a91a89..c7c3bf7 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1306,6 +1306,21 @@ static void serial8250_stop_tx(struct uart_port *port) pm_runtime_put_autosuspend(port->dev); } +static void serial8250_stop_rx(struct uart_port *port) +{ + struct uart_8250_port *up = + container_of(port, struct uart_8250_port, port); + + pm_runtime_get_sync(port->dev); + + up->ier &= ~UART_IER_RLSI; + up->port.read_status_mask &= ~UART_LSR_DR; + serial_port_out(port, UART_IER, up->ier); + + pm_runtime_mark_last_busy(port->dev); + pm_runtime_put_autosuspend(port->dev); +} + static void serial8250_start_tx(struct uart_port *port) { struct uart_8250_port *up = @@ -1339,21 +1354,6 @@ static void serial8250_start_tx(struct uart_port *port) pm_runtime_put_autosuspend(port->dev); } -static void serial8250_stop_rx(struct uart_port *port) -{ - struct uart_8250_port *up = - container_of(port, struct uart_8250_port, port); - - pm_runtime_get_sync(port->dev); - - up->ier &= ~UART_IER_RLSI; - up->port.read_status_mask &= ~UART_LSR_DR; - serial_port_out(port, UART_IER, up->ier); - - pm_runtime_mark_last_busy(port->dev); - pm_runtime_put_autosuspend(port->dev); -} - static void serial8250_enable_ms(struct uart_port *port) { struct uart_8250_port *up =