evie/android_kernel_oneplus_msm8998
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hwrng: msm - make use of devm_hwrng_register

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This allows us to get rid of remove() method.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dmitry Torokhov 2015-03-12 14:00:05 -07:00 • committed by Herbert Xu
parent 1e6e38a916
commit 9052b0dd45
1 changed files with 1 additions and 10 deletions
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11
drivers/char/hw_random/msm-rng.c
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@ -157,7 +157,7 @@ static int msm_rng_probe(struct platform_device *pdev)
rng->hwrng.cleanup = msm_rng_cleanup, rng->hwrng.cleanup = msm_rng_cleanup,
rng->hwrng.read = msm_rng_read, rng->hwrng.read = msm_rng_read,
ret = hwrng_register(&rng->hwrng); ret = devm_hwrng_register(&pdev->dev, &rng->hwrng);
if (ret) { if (ret) {
dev_err(&pdev->dev, "failed to register hwrng\n"); dev_err(&pdev->dev, "failed to register hwrng\n");
return ret; return ret;
@ -166,14 +166,6 @@ static int msm_rng_probe(struct platform_device *pdev)
return 0; return 0;
} }
static int msm_rng_remove(struct platform_device *pdev)
{
struct msm_rng *rng = platform_get_drvdata(pdev);
hwrng_unregister(&rng->hwrng);
return 0;
}
static const struct of_device_id msm_rng_of_match[] = { static const struct of_device_id msm_rng_of_match[] = {
{ .compatible = "qcom,prng", }, { .compatible = "qcom,prng", },
{} {}
@ -182,7 +174,6 @@ MODULE_DEVICE_TABLE(of, msm_rng_of_match);
static struct platform_driver msm_rng_driver = { static struct platform_driver msm_rng_driver = {
.probe = msm_rng_probe, .probe = msm_rng_probe,
.remove = msm_rng_remove,
.driver = { .driver = {
.name = KBUILD_MODNAME, .name = KBUILD_MODNAME,
.of_match_table = of_match_ptr(msm_rng_of_match), .of_match_table = of_match_ptr(msm_rng_of_match),