From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from metis.ext.pengutronix.de ([85.220.165.71]:52533 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752630AbeCLKE2 (ORCPT ); Mon, 12 Mar 2018 06:04:28 -0400 From: Marc Kleine-Budde To: netdev@vger.kernel.org Cc: davem@davemloft.net, linux-can@vger.kernel.org, kernel@pengutronix.de, Bich HEMON , Marc Kleine-Budde Subject: [PATCH 6/6] can: m_can: select pinctrl state in each suspend/resume function Date: Mon, 12 Mar 2018 11:04:10 +0100 Message-Id: <20180312100410.10404-7-mkl@pengutronix.de> In-Reply-To: <20180312100410.10404-1-mkl@pengutronix.de> References: <20180312100410.10404-1-mkl@pengutronix.de> Sender: netdev-owner@vger.kernel.org List-ID: From: Bich HEMON Make sure to apply the correct pin state in suspend/resume callbacks. Putting pins in sleep state saves power. Signed-off-by: Bich Hemon Signed-off-by: Marc Kleine-Budde --- drivers/net/can/m_can/m_can.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 74170b0d23cf..b397a33f3d32 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -26,6 +26,7 @@ #include #include #include +#include /* napi related */ #define M_CAN_NAPI_WEIGHT 64 @@ -1700,6 +1701,8 @@ 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 +1713,8 @@ 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; -- 2.16.1