Support the "regulator-always-on" property for fixed regulators. The regulator gets enabled on probe and subsequent disable calls are ignored.
Signed-off-by: Steffen Trumtrar <[email protected]> --- drivers/regulator/fixed.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 7e64919..2515d3e 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -27,6 +27,7 @@ struct regulator_fixed { int gpio; int active_low; + int always_on; struct regulator_dev rdev; }; @@ -44,6 +45,9 @@ static int regulator_fixed_disable(struct regulator_dev *rdev) { struct regulator_fixed *fix = container_of(rdev, struct regulator_fixed, rdev); + if (fix->always_on) + return 0; + if (!gpio_is_valid(fix->gpio)) return 0; @@ -79,6 +83,11 @@ static int regulator_fixed_probe(struct device_d *dev) fix->rdev.ops = &fixed_ops; + if (of_find_property(dev->device_node, "regulator-always-on", NULL)) { + fix->always_on = 1; + regulator_fixed_enable(&fix->rdev); + } + ret = of_regulator_register(&fix->rdev, dev->device_node); if (ret) return ret; -- 2.0.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
