ata: ahci_platform: add a generic AHCI compatible

[pandora-kernel.git] / drivers / ata / ahci_platform.c

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ef67e79..f61ddb9 100644 (file)
--- 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>
@@ -55,7 +56,10 @@ 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"))
+               hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
+
+       rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info);
        if (rc)
                goto pdata_exit;
 
@@ -72,10 +76,13 @@ static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
                         ahci_platform_resume);
 
 static const struct of_device_id ahci_of_match[] = {
+       { .compatible = "generic-ahci", },
+       /* Keep the following compatibles for device tree compatibility */
        { .compatible = "snps,spear-ahci", },
        { .compatible = "snps,exynos5440-ahci", },
        { .compatible = "ibm,476gtr-ahci", },
        { .compatible = "snps,dwc-ahci", },
+       { .compatible = "hisilicon,hisi-ahci", },
        {},
 };
 MODULE_DEVICE_TABLE(of, ahci_of_match);