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 4BB4CC352A1 for ; Wed, 19 Oct 2022 09:42:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234308AbiJSJjw (ORCPT ); Wed, 19 Oct 2022 05:39:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234058AbiJSJec (ORCPT ); Wed, 19 Oct 2022 05:34:32 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF6B344CE4; Wed, 19 Oct 2022 02:15:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666170912; x=1697706912; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VQJoRuNRdeIpnDk2ac87eJh17oqgdcNVue8yLDhtyxs=; b=NXU1U4yJd3rTUR9GE3weNUpfEhpPcLCST84mO4QLdlUt4JvbHQQ0gpz0 2rQ0gPU/kQN9XYJy0kbYB5GPaHOXidIPiUum1kW/sGxFnpFEsoFkB6V7b Rzq2vaoja1cKILnV1zsF68XT7woM0KYZilKj2NUl2F0ZjkVJItFWPRpiI uNETJSmkxFynVTHYBCkASzUNRsOd/hA5w8K0jWjyTcXZuAYDmeht5LYs6 g2a9rwpTpynxIdDiXdA/4uycBkf1Yh45yMWHnA+SHEJZLrxRW7MJDI3hM PdMfbHBRJgeEzI5q98rZvQkCAx3ffekJ93Tuu1uMfeHPe2lzvtb/k+qz6 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10504"; a="332911284" X-IronPort-AV: E=Sophos;i="5.95,195,1661842800"; d="scan'208";a="332911284" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2022 02:14:16 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10504"; a="734119215" X-IronPort-AV: E=Sophos;i="5.95,195,1661842800"; d="scan'208";a="734119215" Received: from sponnura-mobl1.amr.corp.intel.com (HELO ijarvine-MOBL2.ger.corp.intel.com) ([10.251.214.35]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2022 02:14:13 -0700 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= To: linux-serial@vger.kernel.org, Greg KH , Jiri Slaby , Maxime Coquelin , Alexandre Torgue , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Subject: [PATCH 34/44] serial: stm32: Use uart_xmit_advance() Date: Wed, 19 Oct 2022 12:11:41 +0300 Message-Id: <20221019091151.6692-35-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221019091151.6692-1-ilpo.jarvinen@linux.intel.com> References: <20221019091151.6692-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Take advantage of the new uart_xmit_advance() helper. Signed-off-by: Ilpo Järvinen --- drivers/tty/serial/stm32-usart.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index dfdbcf092fac..24def72b2565 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -596,8 +596,7 @@ static void stm32_usart_transmit_chars_pio(struct uart_port *port) if (!(readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE)) break; writel_relaxed(xmit->buf[xmit->tail], port->membase + ofs->tdr); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - port->icount.tx++; + uart_xmit_advance(port, 1); } /* rely on TXE irq (mask or unmask) for sending remaining data */ @@ -673,8 +672,8 @@ static void stm32_usart_transmit_chars_dma(struct uart_port *port) stm32_usart_set_bits(port, ofs->cr3, USART_CR3_DMAT); - xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1); - port->icount.tx += count; + uart_xmit_advance(port, count); + return; fallback_err: -- 2.30.2