From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- drivers/clocksource/moxart_timer.c | 39 +++++++++++++++++++++++++------------- 1 file changed, 26 insertions(+), 13 deletions(-) (limited to 'drivers/clocksource/moxart_timer.c') diff --git a/drivers/clocksource/moxart_timer.c b/drivers/clocksource/moxart_timer.c index 19857af65..841454417 100644 --- a/drivers/clocksource/moxart_timer.c +++ b/drivers/clocksource/moxart_timer.c @@ -119,34 +119,45 @@ static struct irqaction moxart_timer_irq = { .dev_id = &moxart_clockevent, }; -static void __init moxart_timer_init(struct device_node *node) +static int __init moxart_timer_init(struct device_node *node) { int ret, irq; unsigned long pclk; struct clk *clk; base = of_iomap(node, 0); - if (!base) - panic("%s: of_iomap failed\n", node->full_name); + if (!base) { + pr_err("%s: of_iomap failed\n", node->full_name); + return -ENXIO; + } irq = irq_of_parse_and_map(node, 0); - if (irq <= 0) - panic("%s: irq_of_parse_and_map failed\n", node->full_name); + if (irq <= 0) { + pr_err("%s: irq_of_parse_and_map failed\n", node->full_name); + return -EINVAL; + } ret = setup_irq(irq, &moxart_timer_irq); - if (ret) - panic("%s: setup_irq failed\n", node->full_name); + if (ret) { + pr_err("%s: setup_irq failed\n", node->full_name); + return ret; + } clk = of_clk_get(node, 0); - if (IS_ERR(clk)) - panic("%s: of_clk_get failed\n", node->full_name); + if (IS_ERR(clk)) { + pr_err("%s: of_clk_get failed\n", node->full_name); + return PTR_ERR(clk); + } pclk = clk_get_rate(clk); - if (clocksource_mmio_init(base + TIMER2_BASE + REG_COUNT, - "moxart_timer", pclk, 200, 32, - clocksource_mmio_readl_down)) - panic("%s: clocksource_mmio_init failed\n", node->full_name); + ret = clocksource_mmio_init(base + TIMER2_BASE + REG_COUNT, + "moxart_timer", pclk, 200, 32, + clocksource_mmio_readl_down); + if (ret) { + pr_err("%s: clocksource_mmio_init failed\n", node->full_name); + return ret; + } clock_count_per_tick = DIV_ROUND_CLOSEST(pclk, HZ); @@ -164,5 +175,7 @@ static void __init moxart_timer_init(struct device_node *node) */ clockevents_config_and_register(&moxart_clockevent, pclk, 0x4, 0xfffffffe); + + return 0; } CLOCKSOURCE_OF_DECLARE(moxart, "moxa,moxart-timer", moxart_timer_init); -- cgit v1.2.3-54-g00ecf