drivers: counter: stm32_timer: remove counter_stm32_is_bit_mask() function

Remove implementation of counter_stm32_is_bit_mask() and
Use IS_BIT_MASK() macro.

Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
This commit is contained in:
TOKITA Hiroshi 2022-12-11 19:17:09 +09:00 committed by Carles Cufí
parent 8eff4b6036
commit 429b05a79a

View file

@ -150,17 +150,11 @@ static int counter_stm32_get_value(const struct device *dev, uint32_t *ticks)
return 0;
}
/* Return true if value equals 2^n - 1 */
static inline bool counter_stm32_is_bit_mask(uint32_t val)
{
return !(val & (val + 1U));
}
static uint32_t counter_stm32_ticks_add(uint32_t val1, uint32_t val2, uint32_t top)
{
uint32_t to_top;
if (likely(counter_stm32_is_bit_mask(top))) {
if (likely(IS_BIT_MASK(top))) {
return (val1 + val2) & top;
}
@ -171,7 +165,7 @@ static uint32_t counter_stm32_ticks_add(uint32_t val1, uint32_t val2, uint32_t t
static uint32_t counter_stm32_ticks_sub(uint32_t val, uint32_t old, uint32_t top)
{
if (likely(counter_stm32_is_bit_mask(top))) {
if (likely(IS_BIT_MASK(top))) {
return (val - old) & top;
}