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| author | Nuno Sá <nuno.sa@analog.com> | 2022-10-12 17:16:20 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-11-23 20:44:00 +0100 |
| commit | 16afe125b53f88b855d2713c8ba253d905dcf3cc (patch) | |
| tree | 4f62505de7510d5194d1fd9c249ccae56db18005 /drivers/iio/industrialio-trigger.c | |
| parent | iio: health: max30102: do not use internal iio_dev lock (diff) | |
| download | linux-16afe125b53f88b855d2713c8ba253d905dcf3cc.tar.xz linux-16afe125b53f88b855d2713c8ba253d905dcf3cc.zip | |
iio: core: move 'mlock' to 'struct iio_dev_opaque'
Now that there are no more users accessing 'mlock' directly, we can move
it to the iio_dev private structure. Hence, it's now explicit that new
driver's should not directly use this lock.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20221012151620.1725215-5-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/industrialio-trigger.c')
| -rw-r--r-- | drivers/iio/industrialio-trigger.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index 6885a186fe27..a2f3cc2f65ef 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -120,12 +120,12 @@ int iio_trigger_set_immutable(struct iio_dev *indio_dev, struct iio_trigger *tri return -EINVAL; iio_dev_opaque = to_iio_dev_opaque(indio_dev); - mutex_lock(&indio_dev->mlock); + mutex_lock(&iio_dev_opaque->mlock); WARN_ON(iio_dev_opaque->trig_readonly); indio_dev->trig = iio_trigger_get(trig); iio_dev_opaque->trig_readonly = true; - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&iio_dev_opaque->mlock); return 0; } @@ -438,16 +438,16 @@ static ssize_t current_trigger_store(struct device *dev, struct iio_trigger *trig; int ret; - mutex_lock(&indio_dev->mlock); + mutex_lock(&iio_dev_opaque->mlock); if (iio_dev_opaque->currentmode == INDIO_BUFFER_TRIGGERED) { - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&iio_dev_opaque->mlock); return -EBUSY; } if (iio_dev_opaque->trig_readonly) { - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&iio_dev_opaque->mlock); return -EPERM; } - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&iio_dev_opaque->mlock); trig = iio_trigger_acquire_by_name(buf); if (oldtrig == trig) { |