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Subject[PATCH v2] regulator: Don't create voltage sysfs entries if we can't read voltage
Date
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
v1 had an uncommitted change on top, now committed.

drivers/regulator/core.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 669d021..679f92e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2503,7 +2503,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev)
int status = 0;

/* some attributes need specific methods to be displayed */
- if (ops->get_voltage || ops->get_voltage_sel) {
+ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) ||
+ (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0)) {
status = device_create_file(dev, &dev_attr_microvolts);
if (status < 0)
return status;
--
1.7.7.1


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