[PATCH 05/12] hwrng: bcm2835-rng: Use device managed helpers
From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2017-11-02 01:06:36
Also in:
linux-arm-kernel, linux-crypto, lkml
Subsystem:
hardware random number generator core, the rest · Maintainers:
Olivia Mackall, Herbert Xu, Linus Torvalds
Now that we have moved the RNG disabling into a hwrng::cleanup callback, we can use the device managed registration operation and remove our remove callback since it won't do anything necessary. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- drivers/char/hw_random/bcm2835-rng.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index 4d0356110b1b..67b9bd3be28d 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c@@ -138,7 +138,7 @@ static int bcm2835_rng_probe(struct platform_device *pdev) rng_setup(priv->base); /* register driver */ - err = hwrng_register(&priv->rng); + err = devm_hwrng_register(dev, &priv->rng); if (err) dev_err(dev, "hwrng registration failed\n"); else
@@ -147,16 +147,6 @@ static int bcm2835_rng_probe(struct platform_device *pdev) return err; } -static int bcm2835_rng_remove(struct platform_device *pdev) -{ - struct bcm2835_rng_priv *priv = platform_get_drvdata(pdev); - - /* unregister driver */ - hwrng_unregister(&priv->rng); - - return 0; -} - MODULE_DEVICE_TABLE(of, bcm2835_rng_of_match); static struct platform_driver bcm2835_rng_driver = {
@@ -165,7 +155,6 @@ static struct platform_driver bcm2835_rng_driver = { .of_match_table = bcm2835_rng_of_match, }, .probe = bcm2835_rng_probe, - .remove = bcm2835_rng_remove, }; module_platform_driver(bcm2835_rng_driver);
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2.9.3