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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: ThlyK2fpdxzzqO4D0Zc06WCm0o3ACDT2YrKuG9+S/FVg1HLBujId0qdnn4YH/gFr3eh0MIlFP9zAWSsKXSoXXiJ0vfhrXqWV7KILEHNUA5MG9kTILiZysln8OUJL2AYt9SEYCObCIVFVryQYY8UlSpfX03qADVqZVEheSb4zX51i9BIbizeSN+WxKZNh1Oc3G/M5RTXPKD6j2mgd0+GpTj/X9B/0C6Yk5AaRpdN4V63oQnS+G7Eqdf2x/v2eeuEPaG5Y4Ql2Vx3Pf8VMgEudvFrFYIKUNtf6lZeCL52cbIkcfdbEQO6K4b0Lx9HDSgsMJbEdDkGxEeewZmj3cCblbpZsYj/shdT5PEW0Ku4Y+cFt+M25ymJtKp2cwNIbsGnmvQsyoAGbrjRm/R55DqhfArJf0bg2LhVBl1xffemBwwxbG5RG3ZfT9CDWMxFQ/dSA Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f2c134bd-6e91-476c-8035-08d777effb92 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Dec 2019 12:54:50.1433 (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-CrossTenant-userprincipalname: TvMS+aiexjDYUKlFeE2LGj/FEvBbz8zHDTH6g4MiUaB2DstjtTpbucUTDkUsXx84jJRxXgvj4cZ52rR2gn6bRw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4175 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org In some low power mode, SoC will lose the pin state, so need to restore the pin state when resume back. Signed-off-by: Haibo Chen --- drivers/mmc/host/sdhci-esdhc-imx.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-es= dhc-imx.c index ae1538e30b23..246b4eb52378 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1690,7 +1690,13 @@ static int sdhci_esdhc_suspend(struct device *dev) if (host->tuning_mode !=3D SDHCI_TUNING_MODE_3) mmc_retune_needed(host->mmc); =20 - return sdhci_suspend_host(host); + ret =3D sdhci_suspend_host(host); + if (!ret) + if (pinctrl_pm_select_sleep_state(dev)) + dev_warn(mmc_dev(host->mmc), + "%s, failed to select sleep pin state!\n", __func__); + + return ret; } =20 static int sdhci_esdhc_resume(struct device *dev) @@ -1698,6 +1704,10 @@ static int sdhci_esdhc_resume(struct device *dev) struct sdhci_host *host =3D dev_get_drvdata(dev); int ret; =20 + if (pinctrl_pm_select_default_state(dev)) + dev_warn(mmc_dev(host->mmc), + "%s, failed to select default pin state!\n", __func__); + /* re-initialize hw state in case it's lost in low power mode */ sdhci_esdhc_imx_hwinit(host); =20 --=20 2.17.1