D15806.diff
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	Index: head/sys/arm/allwinner/clkng/aw_clk.h
	===================================================================
	--- head/sys/arm/allwinner/clkng/aw_clk.h
	+++ head/sys/arm/allwinner/clkng/aw_clk.h
	@@ -72,6 +72,7 @@
	#define AW_CLK_FACTOR_ZERO_BASED 0x0002
	#define AW_CLK_FACTOR_HAS_COND 0x0004
	#define AW_CLK_FACTOR_FIXED 0x0008
	+#define AW_CLK_FACTOR_ZERO_IS_ONE 0x0010

	struct aw_clk_factor {
	uint32_t shift; /* Shift bits for the factor */
	@@ -110,6 +111,8 @@
	return (factor->value);

	factor_val = (val & factor->mask) >> factor->shift;
	+ if (factor_val == 0 && (factor->flags & AW_CLK_FACTOR_ZERO_IS_ONE))
	+ factor_val = 1;

	if (factor->flags & AW_CLK_FACTOR_POWER_OF_TWO)
	factor_val = 1 << factor_val;