On Mon, Nov 18, 2019 at 10:14:04PM -0800, Stephen Brennan wrote: > This patch series enables support for the HWRNG included on the Raspberry > Pi 4. It is simply a rebase of Stefan's branch [1]. I went ahead and > tested this out on a Pi 4. Prior to this patch series, attempting to use > the hwrng gives: > > $ head -c 2 /dev/hwrng > head: /dev/hwrng: Input/output error > > After this series, the same command gives two random bytes. > > Changes in v2: > - specify the correct size for the region in the dts, refactor bcm283x rng > > --- > > Stefan Wahren (2): > dt-bindings: rng: add BCM2711 RNG compatible > hwrng: iproc-rng200: Add support for BCM2711 > > Stephen Brennan (1): > ARM: dts: bcm2711: Enable HWRNG support > > .../devicetree/bindings/rng/brcm,iproc-rng200.txt | 1 + > arch/arm/boot/dts/bcm2711.dtsi | 6 +++--- > arch/arm/boot/dts/bcm2835.dtsi | 1 + > arch/arm/boot/dts/bcm2836.dtsi | 1 + > arch/arm/boot/dts/bcm2837.dtsi | 1 + > arch/arm/boot/dts/bcm283x-common.dtsi | 11 +++++++++++ > arch/arm/boot/dts/bcm283x.dtsi | 6 ------ > drivers/char/hw_random/Kconfig | 2 +- > drivers/char/hw_random/iproc-rng200.c | 1 + > 9 files changed, 20 insertions(+), 10 deletions(-) > create mode 100644 arch/arm/boot/dts/bcm283x-common.dtsi Patches 1-2 applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
