summaryrefslogtreecommitdiff
path: root/drivers/iio/buffer
diff options
context:
space:
mode:
authorDavid Lechner <dlechner@baylibre.com>2025-09-16 16:02:57 -0500
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2025-10-13 08:37:24 +0100
commit592ae0ccecfac9af8f67444cab11cbb11770f571 (patch)
tree1185e3869b2021cb4597965dfb7ecebe02c78f59 /drivers/iio/buffer
parent748ed9fc8596015e7e136877465919b89c7d08d6 (diff)
iio: buffer: document that buffer callback must be context safe
Document that the callback registered with iio_channel_get_all_cb() must be safe to call from any context since it is called from by iio_push_to_buffer() which can be called in any context. Signed-off-by: David Lechner <dlechner@baylibre.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/buffer')
-rw-r--r--drivers/iio/buffer/industrialio-buffer-cb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iio/buffer/industrialio-buffer-cb.c b/drivers/iio/buffer/industrialio-buffer-cb.c
index 3e27385069ed..f4ebff968493 100644
--- a/drivers/iio/buffer/industrialio-buffer-cb.c
+++ b/drivers/iio/buffer/industrialio-buffer-cb.c
@@ -13,6 +13,7 @@
struct iio_cb_buffer {
struct iio_buffer buffer;
+ /* Must be safe to call from any context (e.g. must not sleep). */
int (*cb)(const void *data, void *private);
void *private;
struct iio_channel *channels;