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| author | AnilKumar Ch <anilkumar@ti.com> | 2012-09-07 20:45:05 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-08 08:54:15 +0800 |
| commit | 52b84dac436a681fa51dad2b9e57b6ea50309cbd (patch) | |
| tree | f7bfcf40abfde3305efbe4d02d4df6c3661ab759 /drivers | |
| parent | 2b5a24a01df12fbfa3e702ad7efae27bcb852e33 (diff) | |
| download | linux-3.10-52b84dac436a681fa51dad2b9e57b6ea50309cbd.tar.gz linux-3.10-52b84dac436a681fa51dad2b9e57b6ea50309cbd.tar.bz2 linux-3.10-52b84dac436a681fa51dad2b9e57b6ea50309cbd.zip | |
regulator: core: Try using the parent device for the default regmap
If the device doesn't have a regmap specified by the driver and we can't
find one on the device itself try its parent, providing a useful defualt
for many MFDs.
[Rewrite commit message -- broonie]
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index ed376d9f525..03fad815347 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3202,8 +3202,10 @@ regulator_register(const struct regulator_desc *regulator_desc, rdev->desc = regulator_desc; if (config->regmap) rdev->regmap = config->regmap; - else + else if (dev_get_regmap(dev, NULL)) rdev->regmap = dev_get_regmap(dev, NULL); + else if (dev->parent) + rdev->regmap = dev_get_regmap(dev->parent, NULL); INIT_LIST_HEAD(&rdev->consumer_list); INIT_LIST_HEAD(&rdev->list); BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); |