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path: root/drivers/watchdog/riowd.c
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Diffstat (limited to 'drivers/watchdog/riowd.c')
-rw-r--r--drivers/watchdog/riowd.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index 0040451aec1..cfed0fe264d 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -10,7 +10,6 @@
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/of.h>
@@ -183,7 +182,7 @@ static int riowd_probe(struct platform_device *op)
goto out;
err = -ENOMEM;
- p = kzalloc(sizeof(*p), GFP_KERNEL);
+ p = devm_kzalloc(&op->dev, sizeof(*p), GFP_KERNEL);
if (!p)
goto out;
@@ -192,7 +191,7 @@ static int riowd_probe(struct platform_device *op)
p->regs = of_ioremap(&op->resource[0], 0, 2, DRIVER_NAME);
if (!p->regs) {
pr_err("Cannot map registers\n");
- goto out_free;
+ goto out;
}
/* Make miscdev useable right away */
riowd_device = p;
@@ -206,27 +205,23 @@ static int riowd_probe(struct platform_device *op)
pr_info("Hardware watchdog [%i minutes], regs at %p\n",
riowd_timeout, p->regs);
- dev_set_drvdata(&op->dev, p);
+ platform_set_drvdata(op, p);
return 0;
out_iounmap:
riowd_device = NULL;
of_iounmap(&op->resource[0], p->regs, 2);
-out_free:
- kfree(p);
-
out:
return err;
}
static int riowd_remove(struct platform_device *op)
{
- struct riowd *p = dev_get_drvdata(&op->dev);
+ struct riowd *p = platform_get_drvdata(op);
misc_deregister(&riowd_miscdev);
of_iounmap(&op->resource[0], p->regs, 2);
- kfree(p);
return 0;
}