[PATCH v6 2/6] iio: imu: adis: Add reset to custom ops

[Robert Budai <robert.budai@analog.com>]

This patch allows the custom definition of reset functionality for adis object.
It is useful in cases where the driver does not need to sleep after the reset
since it is handled by the library.

Co-developed-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Co-developed-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Robert Budai <robert.budai@analog.com>
---

v6:
-commit message wrapped at 75 characters

 drivers/iio/imu/adis.c       | 5 +++--
 include/linux/iio/imu/adis.h | 3 +++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
index 54915c7a3e76..84344f052fb7 100644
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -491,6 +491,7 @@ EXPORT_SYMBOL_NS_GPL(adis_single_conversion, "IIO_ADISLIB");
 static const struct adis_ops adis_default_ops = {
 	.read = __adis_read_reg,
 	.write = __adis_write_reg,
+	.reset = __adis_reset,
 };
 
 /**
@@ -522,9 +523,9 @@ int adis_init(struct adis *adis, struct iio_dev *indio_dev,
 
 	adis->spi = spi;
 	adis->data = data;
-	if (!adis->ops->write && !adis->ops->read)
+	if (!adis->ops->write && !adis->ops->read && !adis->ops->reset)
 		adis->ops = &adis_default_ops;
-	else if (!adis->ops->write || !adis->ops->read)
+	else if (!adis->ops->write || !adis->ops->read || !adis->ops->reset)
 		return -EINVAL;
 
 	iio_device_set_drvdata(indio_dev, adis);
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
index 04140b36712a..13beb6a7317b 100644
--- a/include/linux/iio/imu/adis.h
+++ b/include/linux/iio/imu/adis.h
@@ -98,12 +98,15 @@ struct adis_data {
  * struct adis_ops: Custom ops for adis devices.
  * @write: Custom spi write implementation.
  * @read: Custom spi read implementation.
+ * @reset: Custom sw reset implementation. The custom implementation does not
+ *	   need to sleep after the reset. It's done by the library already.
  */
 struct adis_ops {
 	int (*write)(struct adis *adis, unsigned int reg, unsigned int value,
 		     unsigned int size);
 	int (*read)(struct adis *adis, unsigned int reg, unsigned int *value,
 		    unsigned int size);
+	int (*reset)(struct adis *adis);
 };
 
 /**
-- 
2.39.5