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path: root/drivers/rtc/rtc-ds1390.c
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Diffstat (limited to 'drivers/rtc/rtc-ds1390.c')
-rw-r--r--drivers/rtc/rtc-ds1390.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index f994257981a..289af419dff 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -131,26 +131,24 @@ static int ds1390_probe(struct spi_device *spi)
spi->bits_per_word = 8;
spi_setup(spi);
- chip = kzalloc(sizeof *chip, GFP_KERNEL);
+ chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL);
if (!chip) {
dev_err(&spi->dev, "unable to allocate device memory\n");
return -ENOMEM;
}
- dev_set_drvdata(&spi->dev, chip);
+ spi_set_drvdata(spi, chip);
res = ds1390_get_reg(&spi->dev, DS1390_REG_SECONDS, &tmp);
if (res != 0) {
dev_err(&spi->dev, "unable to read device\n");
- kfree(chip);
return res;
}
- chip->rtc = rtc_device_register("ds1390",
- &spi->dev, &ds1390_rtc_ops, THIS_MODULE);
+ chip->rtc = devm_rtc_device_register(&spi->dev, "ds1390",
+ &ds1390_rtc_ops, THIS_MODULE);
if (IS_ERR(chip->rtc)) {
dev_err(&spi->dev, "unable to register device\n");
res = PTR_ERR(chip->rtc);
- kfree(chip);
}
return res;
@@ -158,11 +156,6 @@ static int ds1390_probe(struct spi_device *spi)
static int ds1390_remove(struct spi_device *spi)
{
- struct ds1390 *chip = spi_get_drvdata(spi);
-
- rtc_device_unregister(chip->rtc);
- kfree(chip);
-
return 0;
}