From: Marek Szyprowski <m.szyprowski@samsung.com>
To: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Liam Girdwood <lrg@ti.com>, Chris Ball <cjb@laptop.org>
Subject: [PATCH v2] regulator: treat regulators with constant volatage as fixed
Date: Tue, 13 Nov 2012 10:35:34 +0100 [thread overview]
Message-ID: <1352799334-13898-1-git-send-email-m.szyprowski@samsung.com> (raw)
In-Reply-To: <20121113090007.GS18224@opensource.wolfsonmicro.com>
Some drivers has additional logic for fixed regulators. Let regulator core
to treat regulators which cannot change their voltage due to applied
constraints as fixed.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
drivers/regulator/core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 042c1ff..78b34b7 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1872,7 +1872,11 @@ int regulator_count_voltages(struct regulator *regulator)
{
struct regulator_dev *rdev = regulator->rdev;
- return rdev->desc->n_voltages ? : -EINVAL;
+ if (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)
+ return rdev->desc->n_voltages ? rdev->desc->n_voltages :
+ -EINVAL;
+ else
+ return 1;
}
EXPORT_SYMBOL_GPL(regulator_count_voltages);
--
1.7.9.5
next prev parent reply other threads:[~2012-11-13 9:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-13 8:48 [PATCH 0/3] Fix fixed regulators support Marek Szyprowski
2012-11-13 8:48 ` [PATCH 1/3] regulator: fix voltage check in regulator_is_supported_voltage() Marek Szyprowski
2012-11-13 9:01 ` Mark Brown
2012-11-13 8:48 ` [PATCH 2/3] regulator: threat regulators with constant volatage as fixed Marek Szyprowski
2012-11-13 9:00 ` Mark Brown
2012-11-13 9:35 ` Marek Szyprowski [this message]
2012-11-13 9:42 ` [PATCH v2] regulator: treat " Mark Brown
2012-11-13 9:49 ` [PATCH v3] " Marek Szyprowski
2012-11-14 2:01 ` Mark Brown
2012-11-20 13:20 ` Marek Szyprowski
2012-11-13 8:48 ` [PATCH 3/3] mmc: sdhci: apply voltage range check only for non-fixed regulators Marek Szyprowski
2012-11-13 12:45 ` Chris Ball
2012-11-13 13:32 ` [PATCH v2] " Marek Szyprowski
2012-11-13 13:45 ` Chris Ball
2012-11-13 14:09 ` Marek Szyprowski
2012-11-13 14:14 ` Chris Ball
2012-11-13 21:23 ` Philip Rakity
2012-11-20 8:42 ` Marek Szyprowski
2012-11-14 1:10 ` [PATCH 3/3] " Mark Brown
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