twl-regulator: Define critical regulators as always_on

Defines VIO, VDD1, VDD2, VPLL1 and VINT* regulators as always_on by default
since they are critical to TWL and its master's functionality and should
be on in all cases where RegFW is used

Signed-off-by: Juha Keski-Saari <ext-juha.1.keski-saari@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 43d7494fbd8e91c962a11e2dff233b699226af66..aadf4cfe354e90839160c4dbb1bfdeab157004cd 100644 (file)
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -533,6 +533,19 @@ static int twlreg_probe(struct platform_device *pdev)
        c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
                                | REGULATOR_CHANGE_MODE
                                | REGULATOR_CHANGE_STATUS;
+       switch (pdev->id) {
+       case TWL4030_REG_VIO:
+       case TWL4030_REG_VDD1:
+       case TWL4030_REG_VDD2:
+       case TWL4030_REG_VPLL1:
+       case TWL4030_REG_VINTANA1:
+       case TWL4030_REG_VINTANA2:
+       case TWL4030_REG_VINTDIG:
+               c->always_on = true;
+               break;
+       default:
+               break;
+       }
 
        rdev = regulator_register(&info->desc, &pdev->dev, initdata, info);
        if (IS_ERR(rdev)) {