3 files changed, 7 insertions, 9 deletions

diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 85d833289f28..4c96f3ac4976 100644
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -177,7 +177,8 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
         case AHCI_LS1043A:
                 if (!qpriv->ecc_addr)
                         return -EINVAL;
-                writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr);
+                writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
+                                qpriv->ecc_addr);
                 writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
                 writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
                 if (qpriv->is_dmacoherent)
@@ -194,7 +195,8 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
         case AHCI_LS1046A:
                 if (!qpriv->ecc_addr)
                         return -EINVAL;
-                writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr);
+                writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
+                                qpriv->ecc_addr);
                 writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
                 writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
                 if (qpriv->is_dmacoherent)
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 2bd92dca3e62..274d6d7193d7 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1482,7 +1482,6 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
                 break;
 
         default:
-                WARN_ON_ONCE(1);
                 return AC_ERR_SYSTEM;
         }
 
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 46698232e6bf..19e6e539a061 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -224,7 +224,6 @@ static DECLARE_TRANSPORT_CLASS(ata_port_class,
 
 static void ata_tport_release(struct device *dev)
 {
-        put_device(dev->parent);
 }
 
 /**
@@ -284,7 +283,7 @@ int ata_tport_add(struct device *parent,
         device_initialize(dev);
         dev->type = &ata_port_type;
 
-        dev->parent = get_device(parent);
+        dev->parent = parent;
         dev->release = ata_tport_release;
         dev_set_name(dev, "ata%d", ap->print_id);
         transport_setup_device(dev);
@@ -348,7 +347,6 @@ static DECLARE_TRANSPORT_CLASS(ata_link_class,
 
 static void ata_tlink_release(struct device *dev)
 {
-        put_device(dev->parent);
 }
 
 /**
@@ -410,7 +408,7 @@ int ata_tlink_add(struct ata_link *link)
         int error;
 
         device_initialize(dev);
-        dev->parent = get_device(&ap->tdev);
+        dev->parent = &ap->tdev;
         dev->release = ata_tlink_release;
         if (ata_is_host_link(link))
                 dev_set_name(dev, "link%d", ap->print_id);
@@ -589,7 +587,6 @@ static DECLARE_TRANSPORT_CLASS(ata_dev_class,
 
 static void ata_tdev_release(struct device *dev)
 {
-        put_device(dev->parent);
 }
 
 /**
@@ -662,7 +659,7 @@ static int ata_tdev_add(struct ata_device *ata_dev)
         int error;
 
         device_initialize(dev);
-        dev->parent = get_device(&link->tdev);
+        dev->parent = &link->tdev;
         dev->release = ata_tdev_release;
         if (ata_is_host_link(link))
                 dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno);