riscv: Add extern declarations for vDSO time-related functions
authorVincent Chen <vincent.chen@sifive.com>
Tue, 23 Jun 2020 05:40:21 +0000 (13:40 +0800)
committerPalmer Dabbelt <palmerdabbelt@google.com>
Thu, 25 Jun 2020 22:15:51 +0000 (15:15 -0700)
commite93b327dbf3d37f0dfb123b58f9627ad17be652e
tree78ac444f77301c062d5ad3c3401afd482c1226ec
parentd0a5fdf4cc83dabcdea668f971b8a2e916437711
riscv: Add extern declarations for vDSO time-related functions

Add extern declarations for vDSO time-related functions to notify the
compiler these functions will be used in somewhere to avoid
"no previous prototype" compile warning.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
arch/riscv/kernel/vdso/vgettimeofday.c