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authorJingoo Han <jg1.han@samsung.com>2013-07-04 02:07:07 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 03:07:55 +0400
commit073bf424602992427e3dbf83a1dca47ed119326a (patch)
treec889151281cb5d3efbd20abe0241482dc335bd56 /drivers/rtc/rtc-mpc5121.c
parentc08ac4894c2079531f0310b1e9b7aba7a5b8b9be (diff)
downloadlinux-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.c14
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(&regs->alm_enable, 0);
out_8(&regs->int_enable, in_8(&regs->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;
}