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path: root/drivers/char/hw_random/omap-rng.c
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Diffstat (limited to 'drivers/char/hw_random/omap-rng.c')
-rw-r--r--drivers/char/hw_random/omap-rng.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index d14dcf788f17..8a1432e8bb80 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -236,7 +236,7 @@ static int omap4_rng_init(struct omap_rng_dev *priv)
u32 val;
/* Return if RNG is already running. */
- if (omap_rng_read(priv, RNG_CONFIG_REG) & RNG_CONTROL_ENABLE_TRNG_MASK)
+ if (omap_rng_read(priv, RNG_CONTROL_REG) & RNG_CONTROL_ENABLE_TRNG_MASK)
return 0;
val = RNG_CONFIG_MIN_REFIL_CYCLES << RNG_CONFIG_MIN_REFIL_CYCLES_SHIFT;
@@ -262,7 +262,7 @@ static void omap4_rng_cleanup(struct omap_rng_dev *priv)
val = omap_rng_read(priv, RNG_CONTROL_REG);
val &= ~RNG_CONTROL_ENABLE_TRNG_MASK;
- omap_rng_write(priv, RNG_CONFIG_REG, val);
+ omap_rng_write(priv, RNG_CONTROL_REG, val);
}
static irqreturn_t omap4_rng_irq(int irq, void *dev_id)
@@ -408,7 +408,7 @@ err_ioremap:
return ret;
}
-static int __exit omap_rng_remove(struct platform_device *pdev)
+static int omap_rng_remove(struct platform_device *pdev)
{
struct omap_rng_dev *priv = platform_get_drvdata(pdev);
@@ -422,9 +422,7 @@ static int __exit omap_rng_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-
-static int omap_rng_suspend(struct device *dev)
+static int __maybe_unused omap_rng_suspend(struct device *dev)
{
struct omap_rng_dev *priv = dev_get_drvdata(dev);
@@ -434,7 +432,7 @@ static int omap_rng_suspend(struct device *dev)
return 0;
}
-static int omap_rng_resume(struct device *dev)
+static int __maybe_unused omap_rng_resume(struct device *dev)
{
struct omap_rng_dev *priv = dev_get_drvdata(dev);
@@ -445,22 +443,15 @@ static int omap_rng_resume(struct device *dev)
}
static SIMPLE_DEV_PM_OPS(omap_rng_pm, omap_rng_suspend, omap_rng_resume);
-#define OMAP_RNG_PM (&omap_rng_pm)
-
-#else
-
-#define OMAP_RNG_PM NULL
-
-#endif
static struct platform_driver omap_rng_driver = {
.driver = {
.name = "omap_rng",
- .pm = OMAP_RNG_PM,
+ .pm = &omap_rng_pm,
.of_match_table = of_match_ptr(omap_rng_of_match),
},
.probe = omap_rng_probe,
- .remove = __exit_p(omap_rng_remove),
+ .remove = omap_rng_remove,
};
module_platform_driver(omap_rng_driver);