linux-kernel - [PATCH] regulator: core: Say what unsupportable voltage constraints are

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Message-Id: <1354042158-11184-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Tue, 27 Nov 2012 18:49:18 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Liam Girdwood <lrg@...com>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: core: Say what unsupportable voltage constraints are

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 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 3db1e01..b701352 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -880,7 +880,9 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
 
 		/* final: [min_uV..max_uV] valid iff constraints valid */
 		if (max_uV < min_uV) {
-			rdev_err(rdev, "unsupportable voltage constraints\n");
+			rdev_err(rdev,
+				 "unsupportable voltage constraints %u-%uuV\n",
+				 min_uV, max_uV);
 			return -EINVAL;
 		}
 
-- 
1.7.10.4

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