From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1427272AbdDVBWT (ORCPT ); Fri, 21 Apr 2017 21:22:19 -0400 Received: from mail-io0-f196.google.com ([209.85.223.196]:33910 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1427253AbdDVBWN (ORCPT ); Fri, 21 Apr 2017 21:22:13 -0400 From: Geliang Tang To: Greg Kroah-Hartman , Jiri Slaby Cc: Geliang Tang , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] serial: pch_uart: use offset_in_page() macro Date: Sat, 22 Apr 2017 09:21:11 +0800 Message-Id: X-Mailer: git-send-email 2.9.3 In-Reply-To: <4dbc77ccaaed98b183cf4dba58a4fa325fd65048.1492758503.git.geliangtang@gmail.com> References: <4dbc77ccaaed98b183cf4dba58a4fa325fd65048.1492758503.git.geliangtang@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang --- drivers/tty/serial/pch_uart.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 42caccb..d3796dc 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -878,8 +878,7 @@ static int dma_handle_rx(struct eg20t_port *priv) sg_dma_len(sg) = priv->trigger_level; sg_set_page(&priv->sg_rx, virt_to_page(priv->rx_buf_virt), - sg_dma_len(sg), (unsigned long)priv->rx_buf_virt & - ~PAGE_MASK); + sg_dma_len(sg), offset_in_page(priv->rx_buf_virt)); sg_dma_address(sg) = priv->rx_buf_dma; -- 2.9.3