linux-kernel - [PATCHv2 3/3] Define critical regulators as always

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Date:	Wed, 25 Nov 2009 12:04:55 +0200
From:	Juha Keski-Saari <ext-juha.1.keski-saari@...ia.com>
To:	lrg@...mlogic.co.uk, broonie@...nsource.wolfsonmicro.com,
	dbrownell@...rs.sourceforge.net, linux-kernel@...r.kernel.org
Cc:	peter.de-schrijver@...ia.com, eduardo.valentin@...ia.com,
	ext-juha.1.keski-saari@...ia.com
Subject: [PATCHv2 3/3] 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@...ia.com>
---
 drivers/regulator/twl4030-regulator.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/regulator/twl4030-regulator.c b/drivers/regulator/twl4030-regulator.c
index 7029fb9..af53f35 100644
--- a/drivers/regulator/twl4030-regulator.c
+++ b/drivers/regulator/twl4030-regulator.c
@@ -456,6 +456,14 @@ static int twl4030reg_probe(struct platform_device *pdev)
 	c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
 				| REGULATOR_CHANGE_MODE
 				| REGULATOR_CHANGE_STATUS;
+	if (pdev->id == TWL4030_REG_VIO ||
+		pdev->id == TWL4030_REG_VDD1 ||
+		pdev->id == TWL4030_REG_VDD2 ||
+		pdev->id == TWL4030_REG_VPLL1 ||
+		pdev->id == TWL4030_REG_VINTANA1 ||
+		pdev->id == TWL4030_REG_VINTANA2 ||
+		pdev->id == TWL4030_REG_VINTDIG)
+		c->always_on = true;
 
 	rdev = regulator_register(&info->desc, &pdev->dev, initdata, info);
 	if (IS_ERR(rdev)) {
-- 
1.6.3.3

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