Hi, Jason, On Tue, 15 Feb 2022 at 22:44, Jason A. Donenfeld <Jason@xxxxxxxxx> wrote: > > Hardware random number generators are supposed to use the hw_random > framework. This commit turns ath9k's kthread-based design into a proper > hw_random driver. > > This compiles, but I have no hardware or other ability to determine > whether it works. I'll leave further development up to the ath9k > and hw_random maintainers. > > Cc: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> > Cc: Kalle Valo <kvalo@xxxxxxxxxx> > Cc: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx> [patch snipped] On my laptop, with a… 02:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01) … I have the following… rui@arrandale:~$ cat /sys/devices/virtual/misc/hw_random/rng_available ath9k rui@arrandale:~$ cat /sys/devices/virtual/misc/hw_random/rng_current ath9k rui@arrandale:~$ … and sure enough, /dev/hwrng is created and outputs a stream of random data, as expected. I haven't done any serious randomness quality testing, but it should be the same as the one produced by the original code. I consider this patch thus Tested-by: Rui Salvaterra <rsalvaterra@xxxxxxxxx> Thanks, Rui
