hwrng: use platform_{get,set}_drvdata()
Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.
Also, unnecessary dev_set_drvdata() is removed, because the driver core
clears the driver data to NULL after device_release or on probe failure.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 20b962e..f9beed5 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -700,7 +700,7 @@
if (err)
goto out_free_units;
- dev_set_drvdata(&op->dev, np);
+ platform_set_drvdata(op, np);
schedule_delayed_work(&np->work, 0);
@@ -721,7 +721,7 @@
static int n2rng_remove(struct platform_device *op)
{
- struct n2rng *np = dev_get_drvdata(&op->dev);
+ struct n2rng *np = platform_get_drvdata(op);
np->flags |= N2RNG_FLAG_SHUTDOWN;
@@ -736,8 +736,6 @@
kfree(np);
- dev_set_drvdata(&op->dev, NULL);
-
return 0;
}
diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c
index 1eada56..f2885db 100644
--- a/drivers/char/hw_random/octeon-rng.c
+++ b/drivers/char/hw_random/octeon-rng.c
@@ -96,7 +96,7 @@
rng->ops = ops;
- dev_set_drvdata(&pdev->dev, &rng->ops);
+ platform_set_drvdata(pdev, &rng->ops);
ret = hwrng_register(&rng->ops);
if (ret)
return -ENOENT;
@@ -108,7 +108,7 @@
static int __exit octeon_rng_remove(struct platform_device *pdev)
{
- struct hwrng *rng = dev_get_drvdata(&pdev->dev);
+ struct hwrng *rng = platform_get_drvdata(pdev);
hwrng_unregister(rng);
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index 749dc16..e5deb99 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -116,7 +116,7 @@
};
omap_rng_ops.priv = (unsigned long)priv;
- dev_set_drvdata(&pdev->dev, priv);
+ platform_set_drvdata(pdev, priv);
priv->mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!priv->mem_res) {
@@ -129,7 +129,7 @@
ret = PTR_ERR(priv->base);
goto err_ioremap;
}
- dev_set_drvdata(&pdev->dev, priv);
+ platform_set_drvdata(pdev, priv);
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
@@ -156,7 +156,7 @@
static int __exit omap_rng_remove(struct platform_device *pdev)
{
- struct omap_rng_private_data *priv = dev_get_drvdata(&pdev->dev);
+ struct omap_rng_private_data *priv = platform_get_drvdata(pdev);
hwrng_unregister(&omap_rng_ops);