Similar to commit 62f95ae805fa ("hwrng: omap - Set default quality") we need to initialize the default quality for the RNG to be used. The symptoms of this problem is that doing hd /dev/random does not produce much data at all. Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> --- drivers/char/hw_random/omap3-rom-rng.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c --- a/drivers/char/hw_random/omap3-rom-rng.c +++ b/drivers/char/hw_random/omap3-rom-rng.c @@ -88,6 +88,7 @@ static int omap3_rom_rng_read(struct hwrng *rng, void *data, size_t max, bool w) static struct hwrng omap3_rom_rng_ops = { .name = "omap3-rom", + .quality = 900, }; static int omap3_rom_rng_probe(struct platform_device *pdev) -- 2.23.0