From mboxrd@z Thu Jan 1 00:00:00 1970 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 403C2ECAAA1 for ; Fri, 9 Sep 2022 09:11:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232059AbiIIJLC (ORCPT ); Fri, 9 Sep 2022 05:11:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231849AbiIIJKz (ORCPT ); Fri, 9 Sep 2022 05:10:55 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 007A912D548; Fri, 9 Sep 2022 02:10:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662714654; x=1694250654; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=1t24DAZdaTeTQgh9a9FDeIongWZD4EJoGdOMahPOlbo=; b=k0TXLjzf1mOpxk2SjuNXeMj/GrHe7c2GLGTdCfizOmXWXGyh8BVlnJcZ 4OJLBUGzt6a0XhuAHy8faEqQRArW4Amr1z1jZ2zW/5C5p/N900unNcXAh daFkro8tyvnqy+C1sn3ncbAsF5jegmxN65q9Dq6tsZLgb0+wUgnyfQGR/ YdxCZXMOMr6R+2xrbL/0oq/sQobxJA1Acx7h/gG4wJPeERit3XAcSA7DX x46kuXksWiAGOEXqim/c7wEBsUeuVZLwM5YQ/dtOTb9CC/wPu7nNbBGMy bqYGHkxtyelCW9ltM4nHQtTwVC0xIRH36LfDpi4tqQFxTqM/Bif9TU99c g==; X-IronPort-AV: E=McAfee;i="6500,9779,10464"; a="277822336" X-IronPort-AV: E=Sophos;i="5.93,302,1654585200"; d="scan'208";a="277822336" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2022 02:10:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,302,1654585200"; d="scan'208";a="704338246" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 09 Sep 2022 02:10:53 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 33843238; Fri, 9 Sep 2022 12:11:09 +0300 (EEST) From: Andy Shevchenko To: Greg Kroah-Hartman , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jiri Slaby , Andy Shevchenko Subject: [PATCH v1 1/1] serial: 8250_dma: Convert to use uart_xmit_advance() Date: Fri, 9 Sep 2022 12:11:02 +0300 Message-Id: <20220909091102.58941-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org uart_xmit_advance() provides a common way on how to advance the Tx queue. Use it for the sake of unification and robustness. Signed-off-by: Andy Shevchenko --- drivers/tty/serial/8250/8250_dma.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index d99020fd3427..b85c82616e8c 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -26,9 +26,7 @@ static void __dma_tx_complete(void *param) dma->tx_running = 0; - xmit->tail += dma->tx_size; - xmit->tail &= UART_XMIT_SIZE - 1; - p->port.icount.tx += dma->tx_size; + uart_xmit_advance(&p->port, dma->tx_size); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&p->port); -- 2.35.1