X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fata%2Fahci_platform.c;h=b10d81ddb52891e41ef0343a8894bfae9b1cd5a1;hb=72cbaa3d2f563d7b48c9f8aef47ec9aa3a31adf2;hp=ef67e79944f9962e3e32382dd43794404d866b01;hpb=2a1235e53bed8fa111e1c1ee2e7d8d91efa71ebc;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ef67e79944f9..b10d81ddb528 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/pm.h>
 #include <linux/device.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/libata.h>
 #include <linux/ahci_platform.h>
@@ -33,6 +34,7 @@ static int ahci_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct ahci_platform_data *pdata = dev_get_platdata(dev);
 	struct ahci_host_priv *hpriv;
+	unsigned long hflags = 0;
 	int rc;
 
 	hpriv = ahci_platform_get_resources(pdev);
@@ -55,7 +57,11 @@ static int ahci_probe(struct platform_device *pdev)
 			goto disable_resources;
 	}
 
-	rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, 0, 0);
+	if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
+		hflags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
+
+	rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info,
+				     hflags, 0, 0);
 	if (rc)
 		goto pdata_exit;
 
@@ -76,6 +82,7 @@ static const struct of_device_id ahci_of_match[] = {
 	{ .compatible = "snps,exynos5440-ahci", },
 	{ .compatible = "ibm,476gtr-ahci", },
 	{ .compatible = "snps,dwc-ahci", },
+	{ .compatible = "hisilicon,hisi-ahci", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, ahci_of_match);