meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0003-Add-sata-hibernation-code.patch

   1 From 5d87144a96085d74b6002bd6d8c093c37bf128b7 Mon Sep 17 00:00:00 2001
   2 From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
   3 Date: Thu, 18 May 2017 17:04:33 +0900
   4 Subject: [PATCH 03/15] Add sata hibernation code
   5
   6 Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
   7 ---
   8  drivers/ata/sata_rcar.c | 29 +++++++++++++++++++++++++++++
   9  1 file changed, 29 insertions(+)
  10
  11 diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
  12 index 92abfdd..4c82b5e 100644
  13 --- a/drivers/ata/sata_rcar.c
  14 +++ b/drivers/ata/sata_rcar.c
  15 @@ -1003,9 +1003,38 @@ static int sata_rcar_resume(struct device *dev)
  16         return 0;
  17  }
  18
  19 +static int sata_rcar_restore(struct device *dev)
  20 +{
  21 +       struct ata_host *host = dev_get_drvdata(dev);
  22 +       struct sata_rcar_priv *priv = host->private_data;
  23 +       int ret;
  24 +
  25 +       clk_prepare_enable(priv->clk);
  26 +
  27 +       ret = sata_rcar_setup_port(host);
  28 +       if (ret)
  29 +               goto cleanup;
  30 +
  31 +       /* initialize host controller */
  32 +       sata_rcar_init_controller(host);
  33 +
  34 +       ata_host_resume(host);
  35 +
  36 +       return 0;
  37 +
  38 +cleanup:
  39 +       clk_disable_unprepare(priv->clk);
  40 +
  41 +       return ret;
  42 +}
  43 +
  44  static const struct dev_pm_ops sata_rcar_pm_ops = {
  45         .suspend        = sata_rcar_suspend,
  46         .resume         = sata_rcar_resume,
  47 +       .freeze         = sata_rcar_suspend,
  48 +       .restore        = sata_rcar_restore,
  49 +       .thaw           = sata_rcar_resume,
  50 +       .poweroff       = sata_rcar_suspend
  51  };
  52  #endif
  53
  54 --
  55 1.8.3.1
  56