diff options
Diffstat (limited to 'drivers/rtc/rtc-mpc5121.c')
| -rw-r--r-- | drivers/rtc/rtc-mpc5121.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index bdcc60830aec..9c8f60903799 100644 --- a/drivers/rtc/rtc-mpc5121.c +++ b/drivers/rtc/rtc-mpc5121.c @@ -68,7 +68,7 @@ struct mpc5121_rtc_regs { u32 target_time; /* RTC + 0x20 */ /* * actual_time: - * readonly time since VBAT_RTC was last connected + * readonly time since VBAT_RTC was last connected */ u32 actual_time; /* RTC + 0x24 */ u32 keep_alive; /* RTC + 0x28 */ @@ -312,20 +312,19 @@ static int mpc5121_rtc_probe(struct platform_device *op) struct mpc5121_rtc_data *rtc; int err = 0; - rtc = kzalloc(sizeof(*rtc), GFP_KERNEL); + rtc = devm_kzalloc(&op->dev, sizeof(*rtc), GFP_KERNEL); if (!rtc) return -ENOMEM; rtc->regs = of_iomap(op->dev.of_node, 0); if (!rtc->regs) { dev_err(&op->dev, "%s: couldn't map io space\n", __func__); - err = -ENOSYS; - goto out_free; + return -ENOSYS; } device_init_wakeup(&op->dev, 1); - dev_set_drvdata(&op->dev, rtc); + platform_set_drvdata(op, rtc); rtc->irq = irq_of_parse_and_map(op->dev.of_node, 1); err = request_irq(rtc->irq, mpc5121_rtc_handler, 0, @@ -354,10 +353,10 @@ static int mpc5121_rtc_probe(struct platform_device *op) out_be32(&rtc->regs->keep_alive, ka); } - rtc->rtc = rtc_device_register("mpc5121-rtc", &op->dev, + rtc->rtc = devm_rtc_device_register(&op->dev, "mpc5121-rtc", &mpc5121_rtc_ops, THIS_MODULE); } else { - rtc->rtc = rtc_device_register("mpc5200-rtc", &op->dev, + rtc->rtc = devm_rtc_device_register(&op->dev, "mpc5200-rtc", &mpc5200_rtc_ops, THIS_MODULE); } @@ -377,29 +376,24 @@ out_dispose2: out_dispose: irq_dispose_mapping(rtc->irq); iounmap(rtc->regs); -out_free: - kfree(rtc); return err; } static int mpc5121_rtc_remove(struct platform_device *op) { - struct mpc5121_rtc_data *rtc = dev_get_drvdata(&op->dev); + struct mpc5121_rtc_data *rtc = platform_get_drvdata(op); struct mpc5121_rtc_regs __iomem *regs = rtc->regs; /* disable interrupt, so there are no nasty surprises */ out_8(®s->alm_enable, 0); out_8(®s->int_enable, in_8(®s->int_enable) & ~0x1); - rtc_device_unregister(rtc->rtc); iounmap(rtc->regs); free_irq(rtc->irq, &op->dev); free_irq(rtc->irq_periodic, &op->dev); irq_dispose_mapping(rtc->irq); irq_dispose_mapping(rtc->irq_periodic); - dev_set_drvdata(&op->dev, NULL); - kfree(rtc); return 0; } |