From dd8004af2b0e903b2ee9fce305cb615245fa12ee Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 28 Nov 2012 17:09:27 +0000 Subject: [PATCH] regulator: core: Log when a device causes a voltage constraint fail Helps with figuring out when things went wrong. Signed-off-by: Mark Brown --- drivers/regulator/core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index e872c8be080e..e7fffd15953f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -199,8 +199,11 @@ static int regulator_check_consumers(struct regulator_dev *rdev, *min_uV = regulator->min_uV; } - if (*min_uV > *max_uV) + if (*min_uV > *max_uV) { + dev_err(regulator->dev, "Restricting voltage, %u-%uuV\n", + regulator->min_uV, regulator->max_uV); return -EINVAL; + } return 0; } -- 2.20.1