259 static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)  in setup_clkevents()  argument
262 	struct clk *t2_clk = tc->clk[2];  in setup_clkevents()
263 	int irq = tc->irq[2];  in setup_clkevents()
265 	ret = clk_prepare_enable(tc->slow_clk);  in setup_clkevents()
272 		clk_disable_unprepare(tc->slow_clk);  in setup_clkevents()
278 	clkevt.regs = tc->regs;  in setup_clkevents()
288 		clk_disable_unprepare(tc->slow_clk);  in setup_clkevents()
299 static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)  in setup_clkevents()  argument
307 static void __init tcb_setup_dual_chan(struct atmel_tc *tc, int mck_divisor_idx)  in tcb_setup_dual_chan()  argument
335 static void __init tcb_setup_single_chan(struct atmel_tc *tc, int mck_divisor_idx)  in tcb_setup_single_chan()  argument
359 	struct atmel_tc tc;  in tcb_clksrc_init()  local
374 	tc.regs = of_iomap(node->parent, 0);  in tcb_clksrc_init()
375 	if (!tc.regs)  in tcb_clksrc_init()
382 	tc.slow_clk = of_clk_get_by_name(node->parent, "slow_clk");  in tcb_clksrc_init()
383 	if (IS_ERR(tc.slow_clk))  in tcb_clksrc_init()
384 		return PTR_ERR(tc.slow_clk);  in tcb_clksrc_init()
386 	tc.clk[0] = t0_clk;  in tcb_clksrc_init()
387 	tc.clk[1] = of_clk_get_by_name(node->parent, "t1_clk");  in tcb_clksrc_init()
388 	if (IS_ERR(tc.clk[1]))  in tcb_clksrc_init()
389 		tc.clk[1] = t0_clk;  in tcb_clksrc_init()
390 	tc.clk[2] = of_clk_get_by_name(node->parent, "t2_clk");  in tcb_clksrc_init()
391 	if (IS_ERR(tc.clk[2]))  in tcb_clksrc_init()
392 		tc.clk[2] = t0_clk;  in tcb_clksrc_init()
394 	tc.irq[2] = of_irq_get(node->parent, 2);  in tcb_clksrc_init()
395 	if (tc.irq[2] <= 0) {  in tcb_clksrc_init()
396 		tc.irq[2] = of_irq_get(node->parent, 0);  in tcb_clksrc_init()
397 		if (tc.irq[2] <= 0)  in tcb_clksrc_init()
404 	for (i = 0; i < ARRAY_SIZE(tc.irq); i++)  in tcb_clksrc_init()
405 		writel(ATMEL_TC_ALL_IRQ, tc.regs + ATMEL_TC_REG(i, IDR));  in tcb_clksrc_init()
440 	tcaddr = tc.regs;  in tcb_clksrc_init()
446 		tcb_setup_single_chan(&tc, best_divisor_idx);  in tcb_clksrc_init()
453 		ret = clk_prepare_enable(tc.clk[1]);  in tcb_clksrc_init()
459 		tcb_setup_dual_chan(&tc, best_divisor_idx);  in tcb_clksrc_init()
470 	ret = setup_clkevents(&tc, clk32k_divisor_idx);  in tcb_clksrc_init()
486 		clk_disable_unprepare(tc.clk[1]);  in tcb_clksrc_init()