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path: root/drivers/rtc/rtc-pcf2123.c
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Diffstat (limited to 'drivers/rtc/rtc-pcf2123.c')
-rw-r--r--drivers/rtc/rtc-pcf2123.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 02b742afa76..796a6c5067d 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -226,7 +226,8 @@ static int pcf2123_probe(struct spi_device *spi)
u8 txbuf[2], rxbuf[2];
int ret, i;
- pdata = kzalloc(sizeof(struct pcf2123_plat_data), GFP_KERNEL);
+ pdata = devm_kzalloc(&spi->dev, sizeof(struct pcf2123_plat_data),
+ GFP_KERNEL);
if (!pdata)
return -ENOMEM;
spi->dev.platform_data = pdata;
@@ -265,6 +266,7 @@ static int pcf2123_probe(struct spi_device *spi)
if (!(rxbuf[0] & 0x20)) {
dev_err(&spi->dev, "chip not found\n");
+ ret = -ENODEV;
goto kfree_exit;
}
@@ -281,7 +283,7 @@ static int pcf2123_probe(struct spi_device *spi)
pcf2123_delay_trec();
/* Finalize the initialization */
- rtc = rtc_device_register(pcf2123_driver.driver.name, &spi->dev,
+ rtc = devm_rtc_device_register(&spi->dev, pcf2123_driver.driver.name,
&pcf2123_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
@@ -314,7 +316,6 @@ sysfs_exit:
device_remove_file(&spi->dev, &pdata->regs[i].attr);
kfree_exit:
- kfree(pdata);
spi->dev.platform_data = NULL;
return ret;
}
@@ -325,15 +326,10 @@ static int pcf2123_remove(struct spi_device *spi)
int i;
if (pdata) {
- struct rtc_device *rtc = pdata->rtc;
-
- if (rtc)
- rtc_device_unregister(rtc);
for (i = 0; i < 16; i++)
if (pdata->regs[i].name[0])
device_remove_file(&spi->dev,
&pdata->regs[i].attr);
- kfree(pdata);
}
return 0;