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| author | Nuno Sa <nuno.sa@analog.com> | 2024-07-09 13:14:29 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-08-03 10:13:36 +0100 |
| commit | dd97cdd520ed678036fd154b852da50a90496cee (patch) | |
| tree | 60b782ccbe0a2feccfdd8934a5d3b9dc146a8a46 /drivers/iio/industrialio-backend.c | |
| parent | 8585632a8600d26d4e6b7246d375a9c3a344f0d2 (diff) | |
| download | linux-dd97cdd520ed678036fd154b852da50a90496cee.tar.gz linux-dd97cdd520ed678036fd154b852da50a90496cee.tar.bz2 linux-dd97cdd520ed678036fd154b852da50a90496cee.zip | |
iio: backend: print message in case op is not implemented
For APIs that have a return value, -EOPNOTSUPP is returned in case the
backend does not support the functionality. However, for APIs that do
not have a return value we are left in silence. Hence, at least print a
debug message in case the callback is not implemented by the backend.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240709-dev-iio-backend-add-debugfs-v1-2-fb4b8f2373c7@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/industrialio-backend.c')
| -rw-r--r-- | drivers/iio/industrialio-backend.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c index 65a42944d090..f9da635cdfea 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -40,6 +40,7 @@ #include <linux/mutex.h> #include <linux/property.h> #include <linux/slab.h> +#include <linux/stringify.h> #include <linux/types.h> #include <linux/iio/backend.h> @@ -111,6 +112,9 @@ static DEFINE_MUTEX(iio_back_lock); __ret = iio_backend_check_op(__back, op); \ if (!__ret) \ __back->ops->op(__back, ##args); \ + else \ + dev_dbg(__back->dev, "Op(%s) not implemented\n",\ + __stringify(op)); \ } /** |