47 	struct clk_system *sys = to_clk_system(hw);  in clk_system_prepare()  local
49 	regmap_write(sys->regmap, AT91_PMC_SCER, 1 << sys->id);  in clk_system_prepare()
51 	if (!is_pck(sys->id))  in clk_system_prepare()
54 	while (!clk_system_ready(sys->regmap, sys->id))  in clk_system_prepare()
62 	struct clk_system *sys = to_clk_system(hw);  in clk_system_unprepare()  local
64 	regmap_write(sys->regmap, AT91_PMC_SCDR, 1 << sys->id);  in clk_system_unprepare()
69 	struct clk_system *sys = to_clk_system(hw);  in clk_system_is_prepared()  local
72 	regmap_read(sys->regmap, AT91_PMC_SCSR, &status);  in clk_system_is_prepared()
74 	if (!(status & (1 << sys->id)))  in clk_system_is_prepared()
77 	if (!is_pck(sys->id))  in clk_system_is_prepared()
80 	regmap_read(sys->regmap, AT91_PMC_SR, &status);  in clk_system_is_prepared()
82 	return status & (1 << sys->id) ? 1 : 0;  in clk_system_is_prepared()
95 	struct clk_system *sys;  in at91_clk_register_system()  local
103 	sys = kzalloc(sizeof(*sys), GFP_KERNEL);  in at91_clk_register_system()
104 	if (!sys)  in at91_clk_register_system()
113 	sys->id = id;  in at91_clk_register_system()
114 	sys->hw.init = &init;  in at91_clk_register_system()
115 	sys->regmap = regmap;  in at91_clk_register_system()
117 	hw = &sys->hw;  in at91_clk_register_system()
118 	ret = clk_hw_register(NULL, &sys->hw);  in at91_clk_register_system()
120 		kfree(sys);  in at91_clk_register_system()