diff options
| -rw-r--r-- | drivers/clocksource/timer-oxnas-rps.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c index c002e99c5760..0d99f40ee757 100644 --- a/drivers/clocksource/timer-oxnas-rps.c +++ b/drivers/clocksource/timer-oxnas-rps.c @@ -220,32 +220,37 @@ static int __init oxnas_rps_clocksource_init(struct oxnas_rps_timer *rps) return 0; } -static void __init oxnas_rps_timer_init(struct device_node *np) +static int __init oxnas_rps_timer_init(struct device_node *np) { struct oxnas_rps_timer *rps; void __iomem *base; int ret; rps = kzalloc(sizeof(*rps), GFP_KERNEL); - if (!rps) { - pr_err("Failed to allocate rps structure\n"); - return; - } + if (!rps) + return -ENOMEM; rps->clk = of_clk_get(np, 0); - if (WARN_ON(IS_ERR(rps->clk))) + if (IS_ERR(rps->clk)) { + ret = PTR_ERR(rps->clk); goto err_alloc; + } - if (WARN_ON(clk_prepare_enable(rps->clk))) + ret = clk_prepare_enable(rps->clk); + if (ret) goto err_clk; base = of_iomap(np, 0); - if (WARN_ON(!base)) + if (!base) { + ret = -ENXIO; goto err_clk_prepare; + } rps->irq = irq_of_parse_and_map(np, 0); - if (WARN_ON(rps->irq < 0)) + if (rps->irq < 0) { + ret = -EINVAL; goto err_iomap; + } rps->clkevt_base = base + TIMER1_REG_OFFSET; rps->clksrc_base = base + TIMER2_REG_OFFSET; @@ -261,7 +266,7 @@ static void __init oxnas_rps_timer_init(struct device_node *np) ret = request_irq(rps->irq, oxnas_rps_timer_irq, IRQF_TIMER | IRQF_IRQPOLL, "rps-timer", rps); - if (WARN_ON(ret)) + if (ret) goto err_iomap; ret = oxnas_rps_clocksource_init(rps); @@ -272,7 +277,7 @@ static void __init oxnas_rps_timer_init(struct device_node *np) if (ret) goto err_irqreq; - return; + return 0; err_irqreq: free_irq(rps->irq, rps); @@ -284,7 +289,9 @@ err_clk: clk_put(rps->clk); err_alloc: kfree(rps); + + return ret; } -CLOCKSOURCE_OF_DECLARE(ox810se_rps, - "oxsemi,ox810se-rps-timer", oxnas_rps_timer_init); +CLOCKSOURCE_OF_DECLARE_RET(ox810se_rps, + "oxsemi,ox810se-rps-timer", oxnas_rps_timer_init); |