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Subject[PATCH 1/2] rtc: s35390a: convert to devm_rtc_allocate_device
Date
This allows further improvement of the driver and removes the need to
forward declare s35390a_driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-s35390a.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index da34cfd70f95..66684b80028f 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -423,8 +423,6 @@ static const struct rtc_class_ops s35390a_rtc_ops = {
.ioctl = s35390a_rtc_ioctl,
};

-static struct i2c_driver s35390a_driver;
-
static int s35390a_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -456,6 +454,10 @@ static int s35390a_probe(struct i2c_client *client,
}
}

+ s35390a->rtc = devm_rtc_allocate_device(dev);
+ if (IS_ERR(s35390a->rtc))
+ return PTR_ERR(s35390a->rtc);
+
err_read = s35390a_read_status(s35390a, &status1);
if (err_read < 0) {
dev_err(dev, "error resetting chip\n");
@@ -485,11 +487,7 @@ static int s35390a_probe(struct i2c_client *client,

device_set_wakeup_capable(dev, 1);

- s35390a->rtc = devm_rtc_device_register(dev, s35390a_driver.driver.name,
- &s35390a_rtc_ops, THIS_MODULE);
-
- if (IS_ERR(s35390a->rtc))
- return PTR_ERR(s35390a->rtc);
+ s35390a->rtc->ops = &s35390a_rtc_ops;

/* supports per-minute alarms only, therefore set uie_unsupported */
s35390a->rtc->uie_unsupported = 1;
@@ -497,7 +495,7 @@ static int s35390a_probe(struct i2c_client *client,
if (status1 & S35390A_FLAG_INT2)
rtc_update_irq(s35390a->rtc, 1, RTC_AF);

- return 0;
+ return rtc_register_device(s35390a->rtc);
}

static struct i2c_driver s35390a_driver = {
--
2.21.0
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