From patchwork Wed Apr 8 13:28:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Gurav X-Patchwork-Id: 6180011 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C22F1BF4A6 for ; Wed, 8 Apr 2015 13:29:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E89D920173 for ; Wed, 8 Apr 2015 13:29:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 11B44201EC for ; Wed, 8 Apr 2015 13:29:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754092AbbDHN3e (ORCPT ); Wed, 8 Apr 2015 09:29:34 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:33804 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753977AbbDHN3O (ORCPT ); Wed, 8 Apr 2015 09:29:14 -0400 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 725D9140C8F; Wed, 8 Apr 2015 13:29:13 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 606B3140C95; Wed, 8 Apr 2015 13:29:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from blr-ubuntu-56.ap.qualcomm.com (unknown [202.46.23.61]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: gpramod@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6726D140C8F; Wed, 8 Apr 2015 13:29:10 +0000 (UTC) From: Pramod Gurav To: linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, bryanh@codeaurora.org, sboyd@codeaurora.org, jslaby@suse.cz, Pramod Gurav Subject: [PATCH v2 2/2] tty: serial: msm: Disable pclk when port is closed Date: Wed, 8 Apr 2015 18:58:53 +0530 Message-Id: <1428499733-21963-2-git-send-email-gpramod@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1428499733-21963-1-git-send-email-gpramod@codeaurora.org> References: <1428499733-21963-1-git-send-email-gpramod@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Disable the pclk when tty port is closed by user space. Signed-off-by: Pramod Gurav Reviewed-by: Stephen Boyd --- drivers/tty/serial/msm_serial.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 4c1e9ea..f38565c 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -523,6 +523,7 @@ static void msm_shutdown(struct uart_port *port) msm_write(port, 0, UART_IMR); /* disable interrupts */ clk_disable_unprepare(msm_port->clk); + clk_disable_unprepare(msm_port->pclk); free_irq(port->irq, port); }