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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB3970; H:AM0PR04MB5779.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: OyK6usfWwJe8ZTEBkyvCQD6/Mt3WfCGhZ5+dAF+ki+OaP89XXBkeFhKNnCUk5z+BQKk4//zL3G0y0UmR4BS8fFkHKOwAHLEwgCaKZiCtRMHh4bziqDMSYEvFzuF9BQaHHaZva333fMCE4ZAE/ZH5QOojxeH6xf9QcF0sgL4zQaAUCizPcX5q42pvCt5pslnBGOKJCGtTX9+fYipJgXQsQzhpW+57RAOWYt0BDCBcLq8oHGvgrQK06B6IiLr29K3TIeC1IxxRxamDP9JCEn358C5KqyfrsiCO1MnpGvbUAlZIZIS6XjHS2LAEcodhtwbZpXoZLuFtXdgewczN5sz7OAoCEsG5nesUhvcCb+Qa7NGDXYL2cEiyq/MTKM58C/hg3yaaiZEqFZYlFEgRUA3AViXaaZncpIGHiyviqkDySFQ= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 45b2e862-945e-48b6-ce15-08d6b12a193d X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2019 13:59:29.3209 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB3970 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Robin Gong To support pinctl hog restore after LPSR resume back, add suspend/resume in pinctrl driver. Signed-off-by: Robin Gong Signed-off-by: Abel Vesa --- Changes since v1: * fixed Robin's email drivers/pinctrl/freescale/pinctrl-imx.c | 20 ++++++++++++++++++++ drivers/pinctrl/freescale/pinctrl-imx.h | 3 +++ 2 files changed, 23 insertions(+) diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 188001b..93c0253 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -887,3 +887,23 @@ int imx_pinctrl_probe(struct platform_device *pdev, return ret; } + +int imx_pinctrl_suspend(struct device *dev) +{ + struct imx_pinctrl *ipctl = dev_get_drvdata(dev); + + if (!ipctl) + return -EINVAL; + + return pinctrl_force_sleep(ipctl->pctl); +} + +int imx_pinctrl_resume(struct device *dev) +{ + struct imx_pinctrl *ipctl = dev_get_drvdata(dev); + + if (!ipctl) + return -EINVAL; + + return pinctrl_force_default(ipctl->pctl); +} diff --git a/drivers/pinctrl/freescale/pinctrl-imx.h b/drivers/pinctrl/freescale/pinctrl-imx.h index 98a4889..795669c 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.h +++ b/drivers/pinctrl/freescale/pinctrl-imx.h @@ -136,6 +136,9 @@ struct imx_pinctrl { int imx_pinctrl_probe(struct platform_device *pdev, const struct imx_pinctrl_soc_info *info); +int imx_pinctrl_suspend(struct device *dev); +int imx_pinctrl_resume(struct device *dev); + #ifdef CONFIG_PINCTRL_IMX_SCU #define BM_PAD_CTL_GP_ENABLE BIT(30) #define BM_PAD_CTL_IFMUX_ENABLE BIT(31)