diff options
| author |   Jeremy Gebben <jgebben@sweptlaser.com> | 2018-09-11 11:28:25 -0600 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-09-12 12:02:19 +0200 |
| commit | af69f9a7878413ccdb47a28b024748fd0381a035 (patch) | |
| tree | 097cd6605dcbf1d17f9f6bf6b32815cb53cda2ab /drivers/rtc | |
| parent | rtc: pl031: switch to devm_rtc_allocate_device/rtc_register_device (diff) | |
| download | linux-dev-af69f9a7878413ccdb47a28b024748fd0381a035.tar.xz linux-dev-af69f9a7878413ccdb47a28b024748fd0381a035.zip | |
rtc: abx80x: use a 'priv' struct for client data
This will allow additional data to be tracked, for future
improvements.
Signed-off-by: Jeremy Gebben <jgebben@sweptlaser.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-abx80x.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-abx80x.c b/drivers/rtc/rtc-abx80x.c index 2cefa67a1132..9d49054a0a4a 100644 --- a/drivers/rtc/rtc-abx80x.c +++ b/drivers/rtc/rtc-abx80x.c @@ -94,6 +94,11 @@ static struct abx80x_cap abx80x_caps[] = { [ABX80X] = {.pn = 0} }; +struct abx80x_priv { + struct rtc_device *rtc; + struct i2c_client *client; +}; + static int abx80x_is_rc_mode(struct i2c_client *client) { int flags = 0; @@ -218,7 +223,8 @@ static int abx80x_rtc_set_time(struct device *dev, struct rtc_time *tm) static irqreturn_t abx80x_handle_irq(int irq, void *dev_id) { struct i2c_client *client = dev_id; - struct rtc_device *rtc = i2c_get_clientdata(client); + struct abx80x_priv *priv = i2c_get_clientdata(client); + struct rtc_device *rtc = priv->rtc; int status; status = i2c_smbus_read_byte_data(client, ABX8XX_REG_STATUS); @@ -533,7 +539,7 @@ static int abx80x_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device_node *np = client->dev.of_node; - struct rtc_device *rtc; + struct abx80x_priv *priv; int i, data, err, trickle_cfg = -EINVAL; char buf[7]; unsigned int part = id->driver_data; @@ -610,13 +616,18 @@ static int abx80x_probe(struct i2c_client *client, if (err) return err; - rtc = devm_rtc_allocate_device(&client->dev); - if (IS_ERR(rtc)) - return PTR_ERR(rtc); + priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL); + if (priv == NULL) + return -ENOMEM; + + priv->rtc = devm_rtc_allocate_device(&client->dev); + if (IS_ERR(priv->rtc)) + return PTR_ERR(priv->rtc); - rtc->ops = &abx80x_rtc_ops; + priv->rtc->ops = &abx80x_rtc_ops; + priv->client = client; - i2c_set_clientdata(client, rtc); + i2c_set_clientdata(client, priv); if (client->irq > 0) { dev_info(&client->dev, "IRQ %d supplied\n", client->irq); @@ -649,7 +660,7 @@ static int abx80x_probe(struct i2c_client *client, return err; } - err = rtc_register_device(rtc); + err = rtc_register_device(priv->rtc); return err; } |