summaryrefslogtreecommitdiffstats
path: root/drivers/iio/industrialio-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/industrialio-core.c')
-rw-r--r--drivers/iio/industrialio-core.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 173dc00762..8684ba2469 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -42,7 +42,7 @@ static DEFINE_IDA(iio_ida);
static dev_t iio_devt;
#define IIO_DEV_MAX 256
-struct bus_type iio_bus_type = {
+const struct bus_type iio_bus_type = {
.name = "iio",
};
EXPORT_SYMBOL(iio_bus_type);
@@ -213,9 +213,7 @@ bool iio_buffer_enabled(struct iio_dev *indio_dev)
{
struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
- return iio_dev_opaque->currentmode &
- (INDIO_BUFFER_HARDWARE | INDIO_BUFFER_SOFTWARE |
- INDIO_BUFFER_TRIGGERED);
+ return iio_dev_opaque->currentmode & INDIO_ALL_BUFFER_MODES;
}
EXPORT_SYMBOL_GPL(iio_buffer_enabled);
@@ -1656,8 +1654,10 @@ struct iio_dev *iio_device_alloc(struct device *parent, int sizeof_priv)
return NULL;
indio_dev = &iio_dev_opaque->indio_dev;
- indio_dev->priv = (char *)iio_dev_opaque +
- ALIGN(sizeof(struct iio_dev_opaque), IIO_DMA_MINALIGN);
+
+ if (sizeof_priv)
+ indio_dev->priv = (char *)iio_dev_opaque +
+ ALIGN(sizeof(*iio_dev_opaque), IIO_DMA_MINALIGN);
indio_dev->dev.parent = parent;
indio_dev->dev.type = &iio_device_type;