44 	struct clk_system *sys = (struct clk_system *)dev_id;  in clk_system_irq_handler()  local
46 	wake_up(&sys->wait);  in clk_system_irq_handler()
47 	disable_irq_nosync(sys->irq);  in clk_system_irq_handler()
54 	struct clk_system *sys = to_clk_system(hw);  in clk_system_prepare()  local
55 	struct at91_pmc *pmc = sys->pmc;  in clk_system_prepare()
56 	u32 mask = 1 << sys->id;  in clk_system_prepare()
60 	if (!is_pck(sys->id))  in clk_system_prepare()
64 		if (sys->irq) {  in clk_system_prepare()
65 			enable_irq(sys->irq);  in clk_system_prepare()
66 			wait_event(sys->wait,  in clk_system_prepare()
76 	struct clk_system *sys = to_clk_system(hw);  in clk_system_unprepare()  local
77 	struct at91_pmc *pmc = sys->pmc;  in clk_system_unprepare()
79 	pmc_write(pmc, AT91_PMC_SCDR, 1 << sys->id);  in clk_system_unprepare()
84 	struct clk_system *sys = to_clk_system(hw);  in clk_system_is_prepared()  local
85 	struct at91_pmc *pmc = sys->pmc;  in clk_system_is_prepared()
87 	if (!(pmc_read(pmc, AT91_PMC_SCSR) & (1 << sys->id)))  in clk_system_is_prepared()
90 	if (!is_pck(sys->id))  in clk_system_is_prepared()
93 	return !!(pmc_read(pmc, AT91_PMC_SR) & (1 << sys->id));  in clk_system_is_prepared()
106 	struct clk_system *sys;  in at91_clk_register_system()  local
114 	sys = kzalloc(sizeof(*sys), GFP_KERNEL);  in at91_clk_register_system()
115 	if (!sys)  in at91_clk_register_system()
124 	sys->id = id;  in at91_clk_register_system()
125 	sys->hw.init = &init;  in at91_clk_register_system()
126 	sys->pmc = pmc;  in at91_clk_register_system()
127 	sys->irq = irq;  in at91_clk_register_system()
129 		init_waitqueue_head(&sys->wait);  in at91_clk_register_system()
130 		irq_set_status_flags(sys->irq, IRQ_NOAUTOEN);  in at91_clk_register_system()
131 		ret = request_irq(sys->irq, clk_system_irq_handler,  in at91_clk_register_system()
132 				IRQF_TRIGGER_HIGH, name, sys);  in at91_clk_register_system()
134 			kfree(sys);  in at91_clk_register_system()
139 	clk = clk_register(NULL, &sys->hw);  in at91_clk_register_system()
142 			free_irq(sys->irq, sys);  in at91_clk_register_system()
143 		kfree(sys);  in at91_clk_register_system()