diff --git a/sys/arm64/freescale/imx/clk/imx_clk_composite.c b/sys/arm64/freescale/imx/clk/imx_clk_composite.c
--- a/sys/arm64/freescale/imx/clk/imx_clk_composite.c
+++ b/sys/arm64/freescale/imx/clk/imx_clk_composite.c
@@ -163,7 +163,7 @@
 	best_diff = INT64_MAX;
 	for (prediv = 1; prediv <= TARGET_ROOT_PRE_PODF_MAX + 1; prediv++) {
 		for (postdiv = 1; postdiv <= TARGET_ROOT_POST_PODF_MAX + 1; postdiv++) {
-			cur= fparent / prediv / postdiv;
+			cur = fparent / prediv / postdiv;
 			diff = (int64_t)ftarget - (int64_t)cur;
 			if (flags & CLK_SET_ROUND_DOWN) {
 				if (diff >= 0 && diff < best_diff) {
@@ -216,7 +216,7 @@
 	dprintf("Finding best parent/div for target freq of %ju\n", *fout);
 	p_names = clknode_get_parent_names(clk);
 
-	best_diff = 0;
+	best_diff = INT64_MAX;
 	best_parent = -1;
 
 	for (p_idx = 0; p_idx != clknode_get_parents_num(clk); p_idx++) {
@@ -225,7 +225,7 @@
 		dprintf("Testing with parent %s (%d) at freq %ju\n",
 		    clknode_get_name(p_clk), p_idx, fparent);
 
-		if (!imx_clk_composite_find_best(fparent, *fout, &pre_div, &post_div, sc->flags))
+		if (imx_clk_composite_find_best(fparent, *fout, &pre_div, &post_div, sc->flags))
 			continue;
 		cur = fparent / pre_div / post_div;
 		diff = abs((int64_t)*fout - (int64_t)cur);
@@ -265,8 +265,9 @@
 	DEVICE_LOCK(clk);
 	READ4(clk, sc->offset, &val);
 	val &= ~(TARGET_ROOT_PRE_PODF_MASK | TARGET_ROOT_POST_PODF_MASK);
-	val |= TARGET_ROOT_PRE_PODF(pre_div);
-	val |= TARGET_ROOT_POST_PODF(post_div);
+	val |= TARGET_ROOT_PRE_PODF(best_pre_div);
+	val |= TARGET_ROOT_POST_PODF(best_post_div);
+	WRITE4(clk, sc->offset, val);
 	DEVICE_UNLOCK(clk);
 
 	*fout = best;