On Sat, 13 Apr 2019, Mao Wenan wrote: > There is one compiling error in u2fzero_probe()->u2fzero_init_hwrng(), > this is because HW_RANDOM is not set. > > drivers/hid/hid-u2fzero.o: In function `u2fzero_probe': > hid-u2fzero.c:(.text+0xc70): undefined reference to `devm_hwrng_register' > > Fixes: 42337b9d4d958("HID: add driver for U2F Zero built-in LED and RNG") > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> > --- > drivers/hid/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig > index 4dc1035..76d8206 100644 > --- a/drivers/hid/Kconfig > +++ b/drivers/hid/Kconfig > @@ -1017,6 +1017,7 @@ config HID_U2FZERO > tristate "U2F Zero LED and RNG support" > depends on USB_HID > depends on LEDS_CLASS > + depends on HW_RANDOM [ CCing Andrej ] This was supposed to be sent by Andrej (together with other fixes), but you beat him to it. Applied, thanks. -- Jiri Kosina SUSE Labs