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From 5d87144a96085d74b6002bd6d8c093c37bf128b7 Mon Sep 17 00:00:00 2001
From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
Date: Thu, 18 May 2017 17:04:33 +0900
Subject: [PATCH 03/15] Add sata hibernation code
Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
---
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
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