Hi Manivannan,


On 19/11/2018 18:09, Manivannan Sadhasivam wrote:

Add clock driver for RDA Micro RDA8810PL SoC supporting OSTIMER
and HWTIMER.

As it is a new driver, can you elaborate the log and describe the timer.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <redacted>
---

[ ... ]

+static int __init rda_timer_init(struct device_node *node)
+{
+	unsigned long rate = 2000000;
+	int ostimer_irq, ret;
+
+	rda_timer_base = of_io_request_and_map(node, 0, "rda-timer");
+	if (IS_ERR(rda_timer_base)) {
+		pr_err("Can't map timer registers");
+		return PTR_ERR(rda_timer_base);
+	}
+
+	ostimer_irq = of_irq_get_byname(node, "ostimer");
+	if (ostimer_irq <= 0) {
+		pr_err("Can't parse ostimer IRQ");
+		return -EINVAL;
+	}
+
+	clocksource_register_hz(&rda_clocksource, rate);
+
+	ret = request_irq(ostimer_irq, rda_ostimer_interrupt, IRQF_TIMER,
+			  "rda-ostimer", &rda_clockevent);
+	if (ret) {
+		pr_err("failed to request irq %d\n", ostimer_irq);
+		return ret;
+	}
+

Use the timer-of API.

+
+TIMER_OF_DECLARE(rda8810pl, "rda,8810pl-timer", rda_timer_init);

Thanks

  -- Daniel


-- 
 <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog