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path: root/drivers/char/hw_random/atmel-rng.c
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Diffstat (limited to 'drivers/char/hw_random/atmel-rng.c')
-rw-r--r--drivers/char/hw_random/atmel-rng.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index b8effe77d80f..6ed24be3481d 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -15,7 +15,7 @@
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/hw_random.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@@ -37,6 +37,7 @@ struct atmel_trng {
struct clk *clk;
void __iomem *base;
struct hwrng rng;
+ struct device *dev;
bool has_half_rate;
};
@@ -59,9 +60,9 @@ static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max,
u32 *data = buf;
int ret;
- ret = pm_runtime_get_sync((struct device *)trng->rng.priv);
+ ret = pm_runtime_get_sync(trng->dev);
if (ret < 0) {
- pm_runtime_put_sync((struct device *)trng->rng.priv);
+ pm_runtime_put_sync(trng->dev);
return ret;
}
@@ -79,8 +80,7 @@ static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max,
ret = 4;
out:
- pm_runtime_mark_last_busy((struct device *)trng->rng.priv);
- pm_runtime_put_sync_autosuspend((struct device *)trng->rng.priv);
+ pm_runtime_put_sync_autosuspend(trng->dev);
return ret;
}
@@ -134,9 +134,9 @@ static int atmel_trng_probe(struct platform_device *pdev)
return -ENODEV;
trng->has_half_rate = data->has_half_rate;
+ trng->dev = &pdev->dev;
trng->rng.name = pdev->name;
trng->rng.read = atmel_trng_read;
- trng->rng.priv = (unsigned long)&pdev->dev;
platform_set_drvdata(pdev, trng);
#ifndef CONFIG_PM
@@ -161,15 +161,13 @@ static int atmel_trng_probe(struct platform_device *pdev)
return ret;
}
-static int atmel_trng_remove(struct platform_device *pdev)
+static void atmel_trng_remove(struct platform_device *pdev)
{
struct atmel_trng *trng = platform_get_drvdata(pdev);
atmel_trng_cleanup(trng);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
-
- return 0;
}
static int __maybe_unused atmel_trng_runtime_suspend(struct device *dev)