linux-kernel - [PATCH 2/5] mfd: arizona: Disable DCVDD before we destroy the MFD

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Date:	Mon,  2 Jun 2014 09:50:40 +0100
From:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To:	lee.jones@...aro.org
Cc:	sameo@...ux.intel.com, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] mfd: arizona: Disable DCVDD before we destroy the MFD

As DCVDD is probably supplied by a child of the MFD device move its
disable to before we destroy the MFD children as the regulator likely
won't exist after that.

Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
---
 drivers/mfd/arizona-core.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 7bdc0f5..48acac6 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -1026,6 +1026,8 @@ int arizona_dev_exit(struct arizona *arizona)
 {
 	pm_runtime_disable(arizona->dev);
 
+	regulator_disable(arizona->dcvdd);
+
 	mfd_remove_devices(arizona->dev);
 	arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
 	arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
@@ -1033,7 +1035,7 @@ int arizona_dev_exit(struct arizona *arizona)
 	arizona_irq_exit(arizona);
 	if (arizona->pdata.reset)
 		gpio_set_value_cansleep(arizona->pdata.reset, 0);
-	regulator_disable(arizona->dcvdd);
+
 	regulator_bulk_disable(ARRAY_SIZE(arizona->core_supplies),
 			       arizona->core_supplies);
 	return 0;
-- 
1.7.2.5

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