Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933196AbbHISTY (ORCPT ); Sun, 9 Aug 2015 14:19:24 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:34728 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933170AbbHISTU (ORCPT ); Sun, 9 Aug 2015 14:19:20 -0400 From: Eduardo Valentin To: Greg Kroah-Hartman , Jiri Slaby , Fabio Stevam Cc: Linux PM , Eduardo Valentin , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/8] serial: imx: allow waking up on RTSD Date: Sun, 9 Aug 2015 11:19:04 -0700 Message-Id: <1439144349-10494-4-git-send-email-edubezval@gmail.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1439144349-10494-1-git-send-email-edubezval@gmail.com> References: <1439144349-10494-1-git-send-email-edubezval@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1330 Lines: 41 This patch sets RTSDEN bit when going into idle (Stop mode). We add the RTSDEN for the case RTS is sent from the remote connection. This way we allow the system to wakeup when RTS is received. Cc: Fabio Stevam Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: linux-serial@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin --- drivers/tty/serial/imx.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 6c6da8c..70802be 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1812,6 +1812,13 @@ static void serial_imx_enable_wakeup(struct imx_port *sport, bool on) else val &= ~UCR3_AWAKEN; writel(val, sport->port.membase + UCR3); + + val = readl(sport->port.membase + UCR1); + if (on) + val |= UCR1_RTSDEN; + else + val &= ~UCR1_RTSDEN; + writel(val, sport->port.membase + UCR1); } static int serial_imx_suspend(struct platform_device *dev, pm_message_t state) -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/