From f6e13e0dd30b164eb444bc08c70fa1b8576e0bca Mon Sep 17 00:00:00 2001 From: Atish Patra Date: Wed, 14 Aug 2019 18:02:13 -0700 Subject: lib: Provide an atomic exchange function unsigned long Signed-off-by: Anup Patel Signed-off-by: Atish Patra --- include/sbi/riscv_atomic.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/sbi/riscv_atomic.h') diff --git a/include/sbi/riscv_atomic.h b/include/sbi/riscv_atomic.h index 40efb68..8543f4d 100644 --- a/include/sbi/riscv_atomic.h +++ b/include/sbi/riscv_atomic.h @@ -35,6 +35,9 @@ long arch_atomic_xchg(atomic_t *atom, long newval); unsigned int atomic_raw_xchg_uint(volatile unsigned int *ptr, unsigned int newval); + +unsigned long atomic_raw_xchg_ulong(volatile unsigned long *ptr, + unsigned long newval); /** * Set a bit in an atomic variable and return the new value. * @nr : Bit to set. -- cgit v1.2.3