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Subject[PATCH v2] regulator: core: Log forbidden DRMS operation
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When REGULATOR_CHANGE_DRMS is not set, drms_uA_update is a no-op.
It used to print a debug message, which was dropped in commit
8a34e979f684 ("regulator: refactor valid_ops_mask checking code")

Let's bring the debug message back, because it helps find missing
regulator-allow-set-load properties.

Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
---
drivers/regulator/core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 59782a706ac4..64f91cf21846 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -930,8 +930,10 @@ static int drms_uA_update(struct regulator_dev *rdev)
* first check to see if we can set modes at all, otherwise just
* tell the consumer everything is OK.
*/
- if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_DRMS))
+ if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_DRMS)) {
+ rdev_dbg(rdev, "DRMS operation not allowed\n");
return 0;
+ }

if (!rdev->desc->ops->get_optimum_mode &&
!rdev->desc->ops->set_load)
--
2.17.1
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