[PATCH v5 17/24] bus/fslmc: replace rte_atomic32 with stdatomic

[Stephen Hemminger <stephen@networkplumber.org>]

The atomic wrappers here are easily converted to stdatomic.
Drop any unused macros.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/bus/fslmc/qbman/include/compat.h | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/bus/fslmc/qbman/include/compat.h b/drivers/bus/fslmc/qbman/include/compat.h
index 5a57bd8ed1..9c87f0b639 100644
--- a/drivers/bus/fslmc/qbman/include/compat.h
+++ b/drivers/bus/fslmc/qbman/include/compat.h
@@ -81,18 +81,13 @@ do { \
 
 #define dma_wmb()		rte_io_wmb()
 
-#define atomic_t                rte_atomic32_t
-#define atomic_read(v)          rte_atomic32_read(v)
-#define atomic_set(v, i)        rte_atomic32_set(v, i)
-
-#define atomic_inc(v)           rte_atomic32_add(v, 1)
-#define atomic_dec(v)           rte_atomic32_sub(v, 1)
-
-#define atomic_inc_and_test(v)  rte_atomic32_inc_and_test(v)
-#define atomic_dec_and_test(v)  rte_atomic32_dec_and_test(v)
-
-#define atomic_inc_return(v)    rte_atomic32_add_return(v, 1)
-#define atomic_dec_return(v)    rte_atomic32_sub_return(v, 1)
-#define atomic_sub_and_test(i, v) (rte_atomic32_sub_return(v, i) == 0)
+typedef RTE_ATOMIC(uint32_t) atomic_t;
+
+#define atomic_read(v)          rte_atomic_load_explicit((v), rte_memory_order_relaxed)
+#define atomic_set(v, i)        rte_atomic_store_explicit((v), (i), rte_memory_order_relaxed)
+#define atomic_inc(v)           ((void)rte_atomic_fetch_add_explicit((v), 1, rte_memory_order_seq_cst))
+#define atomic_dec(v)           ((void)rte_atomic_fetch_sub_explicit((v), 1, rte_memory_order_seq_cst))
+#define atomic_inc_and_test(v)  (rte_atomic_fetch_add_explicit((v), 1, rte_memory_order_seq_cst) == -1)
+#define atomic_dec_and_test(v)  (rte_atomic_fetch_sub_explicit((v), 1, rte_memory_order_seq_cst) == 1)
 
 #endif /* HEADER_COMPAT_H */
-- 
2.53.0