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regulator: da9210: fix lockdep warning

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Commit 70cfef2626 ("regulator: Add lockdep asserts to help detecting
locking misuse") successfully created this WARN, let's fix it:

[    1.218660] WARNING: CPU: 0 PID: 553 at drivers/regulator/core.c:3646 regulator_notifier_call_chain+0x5c/0x88()
...
[    1.220278] [<c0246c20>] (regulator_notifier_call_chain) from [<c02498b4>] (da9210_irq_handler+0x74/0x10c)
[    1.220412]  r7:c0080cac r6:eb1daa00 r5:e64bbf10 r4:00000002
[    1.220547] [<c0249840>] (da9210_irq_handler) from [<c0080cd8>] (irq_thread_fn+0x2c/0x44)
...

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wolfram Sang 2016-01-12 18:28:51 +01:00 committed by Mark Brown
parent 8005c49d9a
commit 0f48eedacf
1 changed files with 5 additions and 0 deletions
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5
drivers/regulator/da9210-regulator.c
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@ -132,6 +132,8 @@ static irqreturn_t da9210_irq_handler(int irq, void *data)
if (error < 0)
goto error_i2c;
mutex_lock(&chip->rdev->mutex);
if (val & DA9210_E_OVCURR) {
regulator_notifier_call_chain(chip->rdev,
REGULATOR_EVENT_OVER_CURRENT,
@ -155,6 +157,9 @@ static irqreturn_t da9210_irq_handler(int irq, void *data)
NULL);
handled |= DA9210_E_VMAX;
}
mutex_unlock(&chip->rdev->mutex);
if (handled) {
/* Clear handled events */
error = regmap_write(chip->regmap, DA9210_REG_EVENT_B, handled);