drivers: eth: e1000: Use double with PTP clock (3b72fe55) · Commits · Wenxi XU / zephyr

drivers/ethernet/eth_e1000.c

+7 −7

Changes for drivers/ethernet/eth_e1000.c: 7 added lines, 7 removed lines.
Original line number	Diff line number	Diff line
		@@ -371,27 +371,27 @@ static int ptp_clock_e1000_rate_adjust(const struct device *dev, double ratio)
		float val;

		/* No change needed. */
		if (ratio == 1.0f) {
		if (ratio == 1.0) {
		return 0;
		}

		ratio *= context->clk_ratio;

		/* Limit possible ratio. */
		if ((ratio > 1.0f + 1.0f/(2 * hw_inc)) \|\|
		(ratio < 1.0f - 1.0f/(2 * hw_inc))) {
		if ((ratio > 1.0 + 1.0/(2.0 * hw_inc)) \|\|
		(ratio < 1.0 - 1.0/(2.0 * hw_inc))) {
		return -EINVAL;
		}

		/* Save new ratio. */
		context->clk_ratio = ratio;

		if (ratio < 1.0f) {
		if (ratio < 1.0) {
		corr = hw_inc - 1;
		val = 1.0f / (hw_inc * (1.0f - ratio));
		} else if (ratio > 1.0f) {
		val = 1.0 / (hw_inc * (1.0 - ratio));
		} else if (ratio > 1.0) {
		corr = hw_inc + 1;
		val = 1.0f / (hw_inc * (ratio - 1.0f));
		val = 1.0 / (hw_inc * (ratio - 1.0));
		} else {
		val = 0;
		corr = hw_inc;

+1 −1

Changes for drivers/ethernet/eth_e1000_priv.h: 1 added line, 1 removed line.
Original line number	Diff line number	Diff line
		@@ -92,7 +92,7 @@ struct e1000_dev {
		uint8_t rxb[NET_ETH_MTU];
		#if defined(CONFIG_ETH_E1000_PTP_CLOCK)
		const struct device *ptp_clock;
		float clk_ratio;
		double clk_ratio;
		#endif
		};