C++ (Cpp) sun5i_setup_clocksource Examples

Example #1

File: timer-sun5i.c Project: 0x000000FF/edison-linux

static void __init sun5i_timer_init(struct device_node *node)
{
	struct reset_control *rstc;
	void __iomem *timer_base;
	struct clk *clk;
	int irq;

	timer_base = of_io_request_and_map(node, 0, of_node_full_name(node));
	if (!timer_base)
		panic("Can't map registers");

	irq = irq_of_parse_and_map(node, 0);
	if (irq <= 0)
		panic("Can't parse IRQ");

	clk = of_clk_get(node, 0);
	if (IS_ERR(clk))
		panic("Can't get timer clock");

	rstc = of_reset_control_get(node, NULL);
	if (!IS_ERR(rstc))
		reset_control_deassert(rstc);

	sun5i_setup_clocksource(node, timer_base, clk, irq);
	sun5i_setup_clockevent(node, timer_base, clk, irq);
}

Example #2

File: timer-sun5i.c Project: Anjali05/linux

static int __init sun5i_timer_init(struct device_node *node)
{
	struct reset_control *rstc;
	void __iomem *timer_base;
	struct clk *clk;
	int irq, ret;

	timer_base = of_io_request_and_map(node, 0, of_node_full_name(node));
	if (IS_ERR(timer_base)) {
		pr_err("Can't map registers\n");
		return PTR_ERR(timer_base);
	}

	irq = irq_of_parse_and_map(node, 0);
	if (irq <= 0) {
		pr_err("Can't parse IRQ\n");
		return -EINVAL;
	}

	clk = of_clk_get(node, 0);
	if (IS_ERR(clk)) {
		pr_err("Can't get timer clock\n");
		return PTR_ERR(clk);
	}

	rstc = of_reset_control_get(node, NULL);
	if (!IS_ERR(rstc))
		reset_control_deassert(rstc);

	ret = sun5i_setup_clocksource(node, timer_base, clk, irq);
	if (ret)
		return ret;

	return sun5i_setup_clockevent(node, timer_base, clk, irq);
}