From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: [PATCH 26/34] rtc: fm3130: simplify getting the adapter of a client Date: Sat, 8 Jun 2019 12:56:05 +0200 Message-ID: <20190608105619.593-27-wsa+renesas@sang-engineering.com> References: <20190608105619.593-1-wsa+renesas@sang-engineering.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190608105619.593-1-wsa+renesas@sang-engineering.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-i2c@vger.kernel.org Cc: Wolfram Sang , Alessandro Zummo , Alexandre Belloni , linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org We have a dedicated pointer for that, so use it. Much easier to read and less computation involved. Signed-off-by: Wolfram Sang --- 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