diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-02-20 18:37:05 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-24 20:11:13 (GMT) |
| commit | 01788c533acbd63702146a2be975ae4007cfb2cf (patch) | |
| tree | 06af3b838bb42e46ad124c1841398c5113f455ae /drivers/staging/iio/magnetometer | |
| parent | 4eeb3335bbfb4e9d6a7995f283deeecb06e07aea (diff) | |
| download | linux-fsl-qoriq-01788c533acbd63702146a2be975ae4007cfb2cf.tar.xz | |
staging:iio: Use dev_pm_ops
Use dev_pm_ops instead of legacy suspend/resume callbacks for IIO drivers.
Note that this patch introduces a few new #ifdef CONFIG_PM_SLEEP around the
suspend and resume callbacks to avoid warnings of unused functions if
CONFIG_PM_SLEEP is not defined.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio/magnetometer')
| -rw-r--r-- | drivers/staging/iio/magnetometer/hmc5843.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c index f2e85a9..d24992c 100644 --- a/drivers/staging/iio/magnetometer/hmc5843.c +++ b/drivers/staging/iio/magnetometer/hmc5843.c @@ -588,19 +588,26 @@ static int hmc5843_remove(struct i2c_client *client) return 0; } -static int hmc5843_suspend(struct i2c_client *client, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int hmc5843_suspend(struct device *dev) { - hmc5843_configure(client, MODE_SLEEP); + hmc5843_configure(to_i2c_client(dev), MODE_SLEEP); return 0; } -static int hmc5843_resume(struct i2c_client *client) +static int hmc5843_resume(struct device *dev) { - struct hmc5843_data *data = i2c_get_clientdata(client); - hmc5843_configure(client, data->operating_mode); + struct hmc5843_data *data = i2c_get_clientdata(to_i2c_client(dev)); + hmc5843_configure(to_i2c_client(dev), data->operating_mode); return 0; } +static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops, hmc5843_suspend, hmc5843_resume); +#define HMC5843_PM_OPS (&hmc5843_pm_ops) +#else +#define HMC5843_PM_OPS NULL +#endif + static const struct i2c_device_id hmc5843_id[] = { { "hmc5843", 0 }, { } @@ -610,14 +617,13 @@ MODULE_DEVICE_TABLE(i2c, hmc5843_id); static struct i2c_driver hmc5843_driver = { .driver = { .name = "hmc5843", + .pm = HMC5843_PM_OPS, }, .id_table = hmc5843_id, .probe = hmc5843_probe, .remove = hmc5843_remove, .detect = hmc5843_detect, .address_list = normal_i2c, - .suspend = hmc5843_suspend, - .resume = hmc5843_resume, }; module_i2c_driver(hmc5843_driver); |