| Message ID | 20240709-dev-iio-backend-add-debugfs-v1-2-fb4b8f2373c7@analog.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | iio: adc: ad9467: add debugFS test mode support | expand |
On Tue, 9 Jul 2024 13:14:29 +0200 Nuno Sa <nuno.sa@analog.com> wrote: > 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> Applied.
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)); \ } /**
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> --- drivers/iio/industrialio-backend.c | 4 ++++ 1 file changed, 4 insertions(+)