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authorAlexandru Ardelean <alexandru.ardelean@analog.com>2019-11-22 16:24:15 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-11-23 15:05:17 +0300
commit762ab093cbe26451175a5a63ea06c971bf973525 (patch)
tree4bc40c00e4f50aaf98af3249b07b8bb7e8a3ecef /include/linux/iio
parent6a4d6a7d6588d8c15501542da786ebff6602475c (diff)
downloadlinux-762ab093cbe26451175a5a63ea06c971bf973525.tar.xz
iio: imu: adis: create an unlocked version of adis_reset()
The reset routine may also be important to be protected by the state-lock and grouped with other operations, so create an unlocked version, so that this can be done. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'include/linux/iio')
-rw-r--r--include/linux/iio/imu/adis.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
index db759957e1c1..4b5bc0e06e69 100644
--- a/include/linux/iio/imu/adis.h
+++ b/include/linux/iio/imu/adis.h
@@ -73,7 +73,24 @@ struct adis {
int adis_init(struct adis *adis, struct iio_dev *indio_dev,
struct spi_device *spi, const struct adis_data *data);
-int adis_reset(struct adis *adis);
+int __adis_reset(struct adis *adis);
+
+/**
+ * adis_reset() - Reset the device
+ * @adis: The adis device
+ *
+ * Returns 0 on success, a negative error code otherwise
+ */
+static inline int adis_reset(struct adis *adis)
+{
+ int ret;
+
+ mutex_lock(&adis->state_lock);
+ ret = __adis_reset(adis);
+ mutex_unlock(&adis->state_lock);
+
+ return ret;
+}
int __adis_write_reg(struct adis *adis, unsigned int reg,
unsigned int val, unsigned int size);