diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-07-04 02:07:07 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-04 03:07:55 +0400 |
| commit | 073bf424602992427e3dbf83a1dca47ed119326a (patch) | |
| tree | c889151281cb5d3efbd20abe0241482dc335bd56 /drivers/rtc/rtc-mpc5121.c | |
| parent | c08ac4894c2079531f0310b1e9b7aba7a5b8b9be (diff) | |
| download | linux-073bf424602992427e3dbf83a1dca47ed119326a.tar.xz | |
rtc: rtc-mpc5121: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-mpc5121.c')
| -rw-r--r-- | drivers/rtc/rtc-mpc5121.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index 213006bfc69a..4c024974c69f 100644 --- a/drivers/rtc/rtc-mpc5121.c +++ b/drivers/rtc/rtc-mpc5121.c @@ -312,15 +312,14 @@ 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); @@ -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); } @@ -377,8 +376,6 @@ out_dispose2: out_dispose: irq_dispose_mapping(rtc->irq); iounmap(rtc->regs); -out_free: - kfree(rtc); return err; } @@ -392,14 +389,11 @@ static int mpc5121_rtc_remove(struct platform_device *op) 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; } |