powerpc: mpc83xx: Implement get_serial_clock()
authorMario Six <mario.six@gdsys.cc>
Mon, 21 Jan 2019 08:18:05 +0000 (09:18 +0100)
committerMario Six <mario.six@gdsys.cc>
Tue, 21 May 2019 05:52:33 +0000 (07:52 +0200)
commitac016c94ae21ae6bb14632bf1092278f1f096c8e
treeb9cc29576cb3f0b450968a59fcbb022fb17d419f
parenta06e665b47c891d1faf6bfd03a3f7cd3a9fea694
powerpc: mpc83xx: Implement get_serial_clock()

DM serial drivers on PowerPC determine their clock frequency via the
get_serial_clock function. This function is not Implemented yet for
MPC83xx.

This patch Implements the function so that DM serial drivers work on
MPC83xx.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
arch/powerpc/cpu/mpc83xx/speed.c