core/riscv-rv32i: rename atomic inc and dec

Rename atomic_inc function to deprecated_atomic_read_add and atomic_dec
to deprecated_atomic_read_add to be more precise what the functions do.

It is done as a part of porting to Zephyr, where atomic_inc increments
by 1 and atomic_dec decrements by 1.

BUG=b:169151160
BRANCH=none
TEST=buildall

Signed-off-by: Dawid Niedzwiecki <[email protected]>
Change-Id: Ide852ac32ce9027698cb937a06543da689c2e136
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2428944
Reviewed-by: Jett Rink <[email protected]>

Author: niedzwiecki-dawid

chip/mt8192_scp/ipi.c

@@ -30,13 +30,13 @@ static uint32_t disable_irq_count, saved_int_mask;
 
 void ipi_disable_irq(void)
 {
-	if (deprecated_atomic_inc(&disable_irq_count, 1) == 0)
+	if (deprecated_atomic_read_add(&disable_irq_count, 1) == 0)
 		saved_int_mask = read_clear_int_mask();
 }
 
 void ipi_enable_irq(void)
 {
-	if (deprecated_atomic_dec(&disable_irq_count, 1) == 1)
+	if (deprecated_atomic_read_sub(&disable_irq_count, 1) == 1)
 		set_int_mask(saved_int_mask);
 }
 

core/riscv-rv32i/atomic.h

@@ -56,14 +56,14 @@ static inline uint32_t deprecated_atomic_read_clear(volatile uint32_t *addr)
 	return ATOMIC_OP(and, 0, addr);
 }
 
-static inline uint32_t deprecated_atomic_inc(volatile uint32_t *addr,
-					     uint32_t value)
+static inline uint32_t deprecated_atomic_read_add(volatile uint32_t *addr,
+						  uint32_t value)
 {
 	return ATOMIC_OP(add, value, addr);
 }
 
-static inline uint32_t deprecated_atomic_dec(volatile uint32_t *addr,
-					     uint32_t value)
+static inline uint32_t deprecated_atomic_read_sub(volatile uint32_t *addr,
+						  uint32_t value)
 {
 	return ATOMIC_OP(add, -value, addr);
 }