X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fhwspinlock%2Fomap_hwspinlock.c;fp=kernel%2Fdrivers%2Fhwspinlock%2Fomap_hwspinlock.c;h=ad2f8cac8487c0a6edde5d6847dc57f97409210d;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=47a275c6ece1d24487ca0f832f2913a597b8a87b;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/hwspinlock/omap_hwspinlock.c b/kernel/drivers/hwspinlock/omap_hwspinlock.c
index 47a275c6e..ad2f8cac8 100644
--- a/kernel/drivers/hwspinlock/omap_hwspinlock.c
+++ b/kernel/drivers/hwspinlock/omap_hwspinlock.c
@@ -1,7 +1,7 @@
 /*
  * OMAP hardware spinlock driver
  *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com
+ * Copyright (C) 2010-2015 Texas Instruments Incorporated - http://www.ti.com
  *
  * Contact: Simon Que <sque@ti.com>
  *          Hari Kanigeri <h-kanigeri2@ti.com>
@@ -27,6 +27,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/hwspinlock.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 
 #include "hwspinlock_internal.h"
@@ -80,14 +81,16 @@ static const struct hwspinlock_ops omap_hwspinlock_ops = {
 
 static int omap_hwspinlock_probe(struct platform_device *pdev)
 {
-	struct hwspinlock_pdata *pdata = pdev->dev.platform_data;
+	struct device_node *node = pdev->dev.of_node;
 	struct hwspinlock_device *bank;
 	struct hwspinlock *hwlock;
 	struct resource *res;
 	void __iomem *io_base;
 	int num_locks, i, ret;
+	/* Only a single hwspinlock block device is supported */
+	int base_id = 0;
 
-	if (!pdata)
+	if (!node)
 		return -ENODEV;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -141,7 +144,7 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
 		hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i;
 
 	ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops,
-						pdata->base_id, num_locks);
+						base_id, num_locks);
 	if (ret)
 		goto reg_fail;
 
@@ -174,11 +177,18 @@ static int omap_hwspinlock_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id omap_hwspinlock_of_match[] = {
+	{ .compatible = "ti,omap4-hwspinlock", },
+	{ /* end */ },
+};
+MODULE_DEVICE_TABLE(of, omap_hwspinlock_of_match);
+
 static struct platform_driver omap_hwspinlock_driver = {
 	.probe		= omap_hwspinlock_probe,
 	.remove		= omap_hwspinlock_remove,
 	.driver		= {
 		.name	= "omap_hwspinlock",
+		.of_match_table = of_match_ptr(omap_hwspinlock_of_match),
 	},
 };