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path: root/kernel/drivers/hwspinlock/omap_hwspinlock.c
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Diffstat (limited to 'kernel/drivers/hwspinlock/omap_hwspinlock.c')
-rw-r--r--kernel/drivers/hwspinlock/omap_hwspinlock.c18
1 files changed, 14 insertions, 4 deletions
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),
},
};