[PATCH 26/34] rtc: fm3130: simplify getting the adapter of a client

Wolfram Sang
2019-06-08T10:57:06Z

We have a dedicated pointer for that, so use it. Much easier to read and
less computation involved.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Please apply to your subsystem tree.

drivers/rtc/rtc-fm3130.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index e1137670d4d2..015cf639166e 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -107,8 +107,7 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t)
fm3130_rtc_mode(dev, FM3130_MODE_READ);

/* read the RTC date and time registers all at once */
- tmp = i2c_transfer(to_i2c_adapter(fm3130->client->dev.parent),
- fm3130->msg, 2);
+ tmp = i2c_transfer(fm3130->client->adapter, fm3130->msg, 2);
if (tmp != 2) {
dev_err(dev, "%s error %d\n", "read", tmp);
return -EIO;
@@ -200,8 +199,7 @@ static int fm3130_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
}

/* read the RTC alarm registers all at once */
- tmp = i2c_transfer(to_i2c_adapter(fm3130->client->dev.parent),
- &fm3130->msg[2], 2);
+ tmp = i2c_transfer(fm3130->client->adapter, &fm3130->msg[2], 2);
if (tmp != 2) {
dev_err(dev, "%s error %d\n", "read", tmp);
return -EIO;
@@ -351,7 +349,7 @@ static int fm3130_probe(struct i2c_client *client,
struct fm3130 *fm3130;
int err = -ENODEV;
int tmp;
- struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct i2c_adapter *adapter = client->adapter;

if (!i2c_check_functionality(adapter,
I2C_FUNC_I2C | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
--
2.19.1