[PATCH 1/4] regulator fixed: Do not report enumaratable voltages if there are none

From: Sascha Hauer
Date: Sat Mar 03 2012 - 06:40:53 EST


If used as a dummy voltage provider the fixed regulator should
not set n_voltages to make the core accept the device.

Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/regulator/fixed.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index e24e3a1..40f3803 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -192,7 +192,9 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
drvdata->desc.type = REGULATOR_VOLTAGE;
drvdata->desc.owner = THIS_MODULE;
drvdata->desc.ops = &fixed_voltage_ops;
- drvdata->desc.n_voltages = 1;
+
+ if (config->microvolts)
+ drvdata->desc.n_voltages = 1;

drvdata->microvolts = config->microvolts;
drvdata->gpio = config->gpio;
--
1.7.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/