From 5d87144a96085d74b6002bd6d8c093c37bf128b7 Mon Sep 17 00:00:00 2001 From: Yuichi Kusakabe Date: Thu, 18 May 2017 17:04:33 +0900 Subject: [PATCH 03/15] Add sata hibernation code Signed-off-by: Yuichi Kusakabe --- drivers/ata/sata_rcar.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 92abfdd..4c82b5e 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -1003,9 +1003,38 @@ static int sata_rcar_resume(struct device *dev) return 0; } +static int sata_rcar_restore(struct device *dev) +{ + struct ata_host *host = dev_get_drvdata(dev); + struct sata_rcar_priv *priv = host->private_data; + int ret; + + clk_prepare_enable(priv->clk); + + ret = sata_rcar_setup_port(host); + if (ret) + goto cleanup; + + /* initialize host controller */ + sata_rcar_init_controller(host); + + ata_host_resume(host); + + return 0; + +cleanup: + clk_disable_unprepare(priv->clk); + + return ret; +} + static const struct dev_pm_ops sata_rcar_pm_ops = { .suspend = sata_rcar_suspend, .resume = sata_rcar_resume, + .freeze = sata_rcar_suspend, + .restore = sata_rcar_restore, + .thaw = sata_rcar_resume, + .poweroff = sata_rcar_suspend }; #endif -- 1.8.3.1