clk: atlas7: replace dto resolution magic number by macro (d1ccbddd) · Commits · 戴 / test

drivers/clk/sirf/clk-atlas7.c

+8 −5

Original line number	Diff line number	Diff line
		@@ -465,6 +465,9 @@ static struct clk_pll clk_sys3pll = {
		* double resolution mode:fout = fin * finc / 2^29
		* normal mode:fout = fin * finc / 2^28
		*/
		#define DTO_RESL_DOUBLE (1ULL << 29)
		#define DTO_RESL_NORMAL (1ULL << 28)

		static int dto_clk_is_enabled(struct clk_hw *hw)
		{
		struct clk_dto *clk = to_dtoclk(hw);
		@@ -509,9 +512,9 @@ static unsigned long dto_clk_recalc_rate(struct clk_hw *hw,
		rate *= finc;
		if (droff & BIT(0))
		/* Double resolution off */
		do_div(rate, 1 << 28);
		do_div(rate, DTO_RESL_NORMAL);
		else
		do_div(rate, 1 << 29);
		do_div(rate, DTO_RESL_DOUBLE);

		return rate;
		}
		@@ -519,11 +522,11 @@ static unsigned long dto_clk_recalc_rate(struct clk_hw *hw,
		static long dto_clk_round_rate(struct clk_hw *hw, unsigned long rate,
		unsigned long *parent_rate)
		{
		u64 dividend = (u64)rate * (1 << 29);
		u64 dividend = rate * DTO_RESL_DOUBLE;

		do_div(dividend, *parent_rate);
		dividend = parent_rate;
		do_div(dividend, 1 << 29);
		do_div(dividend, DTO_RESL_DOUBLE);

		return dividend;
		}
		@@ -531,7 +534,7 @@ static long dto_clk_round_rate(struct clk_hw *hw, unsigned long rate,
		static int dto_clk_set_rate(struct clk_hw *hw, unsigned long rate,
		unsigned long parent_rate)
		{
		u64 dividend = (u64)rate * (1 << 29);
		u64 dividend = rate * DTO_RESL_DOUBLE;
		struct clk_dto *clk = to_dtoclk(hw);

		do_div(dividend, parent_rate);