[PATCH 1/3] char: hw_random: Add Amlogic Meson Hardware Random Generator

LABBE Corentin clabbe.montjoie at gmail.com
Fri Jun 3 02:07:58 PDT 2016


Hello

I have some minor comments below

> +config HW_RANDOM_MESON
> +	tristate "Amlogic Meson Random Number Generator support"
> +	depends on HW_RANDOM && ARCH_MESON

Perhaps you could change to:
depends on HW_RANDOM
depends on ARCH_MESON || COMPILE_TEST

> +
> +static int meson_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
> +{
> +	struct meson_rng_data *data =
> +			container_of(rng, struct meson_rng_data, rng);
> +
> +	*(u32 *)buf = readl_relaxed(data->base + RNG_DATA);
> +
> +	return sizeof(u32);
> +}

I think you need a test for max < sizeof(u32)

Regards

LABBE Corentin



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