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authorTian Tao <tiantao6@hisilicon.com>2021-02-03 15:26:06 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2021-02-10 09:55:58 +0300
commit14ab6de485dddbb414057417831b2491fe2a8729 (patch)
tree9ead19ac90c887926126bc3819293faef4bdf3a8 /drivers/char
parentfc754c024a343b836cfbb794afd3c7a87f625dbb (diff)
downloadlinux-14ab6de485dddbb414057417831b2491fe2a8729.tar.xz
hwrng: optee - Use device-managed registration API
Use devm_hwrng_register to get rid of manual unregistration. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/optee-rng.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index a99d82949981..135a82590923 100644
--- a/drivers/char/hw_random/optee-rng.c
+++ b/drivers/char/hw_random/optee-rng.c
@@ -243,7 +243,7 @@ static int optee_rng_probe(struct device *dev)
if (err)
goto out_sess;
- err = hwrng_register(&pvt_data.optee_rng);
+ err = devm_hwrng_register(dev, &pvt_data.optee_rng);
if (err) {
dev_err(dev, "hwrng registration failed (%d)\n", err);
goto out_sess;
@@ -263,7 +263,6 @@ out_ctx:
static int optee_rng_remove(struct device *dev)
{
- hwrng_unregister(&pvt_data.optee_rng);
tee_client_close_session(pvt_data.ctx, pvt_data.session_id);
tee_client_close_context(pvt_data.ctx);