drivers: counter: nrfx_rtc: Remove is_bit_mask() implementation (21dc3f58) · Commits · Wenxi XU / zephyr

drivers/counter/counter_nrfx_rtc.c

+2 −8

Original line number	Diff line number	Diff line
		@@ -102,12 +102,6 @@ static int get_value(const struct device dev, uint32_t ticks)
		return 0;
		}

		/* Return true if value equals 2^n - 1 */
		static inline bool is_bit_mask(uint32_t val)
		{
		return !(val & (val + 1));
		}

		/* Function calculates distance between to values assuming that one first
		* argument is in front and that values wrap.
		*/
		@@ -116,7 +110,7 @@ static uint32_t ticks_sub(const struct device *dev, uint32_t val,
		{
		if (IS_FIXED_TOP(dev)) {
		return (val - old) & COUNTER_MAX_TOP_VALUE;
		} else if (likely(is_bit_mask(top))) {
		} else if (likely(IS_BIT_MASK(top))) {
		return (val - old) & top;
		}

		@@ -146,7 +140,7 @@ static uint32_t ticks_add(const struct device *dev, uint32_t val1,
		ARG_UNUSED(top);
		return sum & COUNTER_MAX_TOP_VALUE;
		}
		if (likely(is_bit_mask(top))) {
		if (likely(IS_BIT_MASK(top))) {
		sum = sum & top;
		} else {
		sum = sum > top ? sum - (top + 1) : sum;