On 26/06/2024 03:37, Daniel Golle wrote: > From: Aurelien Jarno <aurelien@xxxxxxxxxxx> > > Rockchip SoCs used to have a random number generator as part of their > crypto device, and support for it has to be added to the corresponding > driver. However newer Rockchip SoCs like the RK3568 have an independent > True Random Number Generator device. This patch adds a driver for it, > greatly inspired from the downstream driver. > > The TRNG device does not seem to have a signal conditionner and the FIPS > 140-2 test returns a lot of failures. They can be reduced by increasing > RK_RNG_SAMPLE_CNT, in a tradeoff between quality and speed. This value > has been adjusted to get ~90% of successes and the quality value has > been set accordingly. > > Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx> > [daniel@xxxxxxxxxxxxx: code style fixes] > Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof
