ata: ahci_brcm: BCM7216 reset is self de-asserting

The BCM7216 reset controller line is self-deasserting, unlike other
platforms, so make use of reset_control_reset() instead of
reset_control_deassert().

Signed-off-by: Florian Fainelli <[e-mail]>
Signed-off-by: Jens Axboe <[e-mail]>

drivers/ata/ahci_brcm.c

···
 	else
 		ret = 0;
 
-	reset_control_assert(priv->rcdev);
+	if (priv->version != BRCM_SATA_BCM7216)
+		reset_control_assert(priv->rcdev);
 
 	return ret;
 }
···
 	struct brcm_ahci_priv *priv = hpriv->plat_data;
 	int ret = 0;
 
-	ret = reset_control_deassert(priv->rcdev);
+	if (priv->version == BRCM_SATA_BCM7216)
+		ret = reset_control_reset(priv->rcdev);
+	else
+		ret = reset_control_deassert(priv->rcdev);
 	if (ret)
 		return ret;
 
···
 		break;
 	}
 
-	ret = reset_control_deassert(priv->rcdev);
+	if (priv->version == BRCM_SATA_BCM7216)
+		ret = reset_control_reset(priv->rcdev);
+	else
+		ret = reset_control_deassert(priv->rcdev);
 	if (ret)
 		return ret;
 
···
 out_disable_clks:
 	ahci_platform_disable_clks(hpriv);
 out_reset:
-	reset_control_assert(priv->rcdev);
+	if (priv->version != BRCM_SATA_BCM7216)
+		reset_control_assert(priv->rcdev);
 	return ret;
 }