diff options
Diffstat (limited to 'drivers/clocksource/fsl_ftm_timer.c')
| -rw-r--r-- | drivers/clocksource/fsl_ftm_timer.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c index 517e1c7..738515b 100644 --- a/drivers/clocksource/fsl_ftm_timer.c +++ b/drivers/clocksource/fsl_ftm_timer.c @@ -316,15 +316,16 @@ static int __init ftm_calc_closest_round_cyc(unsigned long freq) return 0; } -static void __init ftm_timer_init(struct device_node *np) +static int __init ftm_timer_init(struct device_node *np) { unsigned long freq; - int irq; + int ret, irq; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) - return; + return -ENOMEM; + ret = -ENXIO; priv->clkevt_base = of_iomap(np, 0); if (!priv->clkevt_base) { pr_err("ftm: unable to map event timer registers\n"); @@ -337,6 +338,7 @@ static void __init ftm_timer_init(struct device_node *np) goto err; } + ret = -EINVAL; irq = irq_of_parse_and_map(np, 0); if (irq <= 0) { pr_err("ftm: unable to get IRQ from DT, %d\n", irq); @@ -349,18 +351,22 @@ static void __init ftm_timer_init(struct device_node *np) if (!freq) goto err; - if (ftm_calc_closest_round_cyc(freq)) + ret = ftm_calc_closest_round_cyc(freq); + if (ret) goto err; - if (ftm_clocksource_init(freq)) + ret = ftm_clocksource_init(freq); + if (ret) goto err; - if (ftm_clockevent_init(freq, irq)) + ret = ftm_clockevent_init(freq, irq); + if (ret) goto err; - return; + return 0; err: kfree(priv); + return ret; } CLOCKSOURCE_OF_DECLARE(flextimer, "fsl,ftm-timer", ftm_timer_init); |