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>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 43d7494fbd8e..aadf4cfe354e 100644
--- 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)) {