Commit Graph

2 Commits

Author SHA1 Message Date
Michael Ellerman
4afc78eae1 powerpc/microwatt: Make microwatt_get_random_darn() static
Make microwatt_get_random_darn() static, because it can be.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211118004415.1706863-1-mpe@ellerman.id.au
2021-11-25 11:25:34 +11:00
Paul Mackerras
c25769fdda powerpc/microwatt: Add support for hardware random number generator
Microwatt's hardware RNG is accessed using the DARN instruction.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/YMwXPHlV/ZleiQUY@thinks.paulus.ozlabs.org
2021-06-21 21:16:32 +10:00