This patch set adds Randon Number Generator (RNG) support for the Nuvoton NPCM Baseboard Management Controller (BMC). The RNG driver we use power consumption when the RNG is not required. The NPCM RNG driver tested on NPCM750 evaluation board. Addressed comments from:. - Daniel Thompson, Milton Miller II : https://patchwork.ozlabs.org/patch/1154598/ Changes since version 1: - Define timout in real-world units. - Using readl_poll_timeout in rng_read function. - Honor wait parameter in rng_read function. - Using local variable instead of #ifndef. - Remove probe print. Tomer Maimon (2): dt-binding: hwrng: add NPCM RNG documentation hwrng: npcm: add NPCM RNG driver .../bindings/rng/nuvoton,npcm-rng.txt | 17 ++ drivers/char/hw_random/Kconfig | 13 ++ drivers/char/hw_random/Makefile | 1 + drivers/char/hw_random/npcm-rng.c | 203 ++++++++++++++++++ 4 files changed, 234 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt create mode 100644 drivers/char/hw_random/npcm-rng.c -- 2.18.0
