linux-kernel - [PATCH 1/3] regulator: fix voltage check in regulator_is_supported

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Message-id: <1352796533-12350-2-git-send-email-m.szyprowski@samsung.com>
Date:	Tue, 13 Nov 2012 09:48:51 +0100
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, Chris Ball <cjb@...top.org>
Subject: [PATCH 1/3] regulator: fix voltage check in
 regulator_is_supported_voltage()

regulator_is_supported_voltage() should return true only if the voltage
of fixed/constant regulator is between min_uV and max_uV.

Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
 drivers/regulator/core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 1a35251..042c1ff 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1974,7 +1974,7 @@ int regulator_is_supported_voltage(struct regulator *regulator,
 	if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
 		ret = regulator_get_voltage(regulator);
 		if (ret >= 0)
-			return (min_uV >= ret && ret <= max_uV);
+			return (min_uV <= ret && ret <= max_uV);
 		else
 			return ret;
 	}
-- 
1.7.9.5

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