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iio: imu: adis: create an unlocked version of adis_check_status()

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This one also gets re-used in certain operations, so it makes sense to
have an unlocked version of this to group it with other
reads/writes/operations to have a single lock for the whole state change.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Alexandru Ardelean
2019-11-22 15:24:14 +02:00
committed by Jonathan Cameron
parent 100bfa38c8
commit 6a4d6a7d65
2 changed files with 16 additions and 5 deletions
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13
include/linux/iio/imu/adis.h
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@@ -267,7 +267,18 @@ static inline int adis_read_reg_32(struct adis *adis, unsigned int reg,
}
int adis_enable_irq(struct adis *adis, bool enable);
int adis_check_status(struct adis *adis);
int __adis_check_status(struct adis *adis);
static inline int adis_check_status(struct adis *adis)
{
int ret;
mutex_lock(&adis->state_lock);
ret = __adis_check_status(adis);
mutex_unlock(&adis->state_lock);
return ret;
}
int adis_initial_startup(struct adis *adis);