From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932349AbeCLIwz convert rfc822-to-8bit (ORCPT ); Mon, 12 Mar 2018 04:52:55 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:47203 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932315AbeCLIwv (ORCPT ); Mon, 12 Mar 2018 04:52:51 -0400 From: Bich HEMON To: Wolfgang Grandegger , Marc Kleine-Budde , Mario Huettel , Faiz Abbas , Quentin Schulz , Oliver Hartkopp , Franklin S Cooper Jr , Arnd Bergmann , "linux-can@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Bich HEMON Subject: [PATCH] can: m_can: select pinctrl state in each suspend/resume function Thread-Topic: [PATCH] can: m_can: select pinctrl state in each suspend/resume function Thread-Index: AQHTud94qufzygAObke6m7PDVCss5A== Date: Mon, 12 Mar 2018 08:52:37 +0000 Message-ID: <1520844745-5865-1-git-send-email-bich.hemon@st.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.44] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-03-12_04:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make sure to apply the correct pin state in suspend/resume callbacks. Putting pins in sleep state saves power. Signed-off-by: Bich Hemon --- drivers/net/can/m_can/m_can.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 2594f77..a86ef69 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1700,6 +1700,8 @@ static __maybe_unused int m_can_suspend(struct device *dev) m_can_clk_stop(priv); } + pinctrl_pm_select_sleep_state(dev); + priv->can.state = CAN_STATE_SLEEPING; return 0; @@ -1710,6 +1712,8 @@ static __maybe_unused int m_can_resume(struct device *dev) struct net_device *ndev = dev_get_drvdata(dev); struct m_can_priv *priv = netdev_priv(ndev); + pinctrl_pm_select_default_state(dev); + m_can_init_ram(priv); priv->can.state = CAN_STATE_ERROR_ACTIVE; -- 1.9.1