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SubjectRe: [PATCH 1/8] iio: core: drop devm_iio_device_unregister() API call
Date
On Thu, 2020-02-27 at 15:52 +0200, Alexandru Ardelean wrote:
> It's unused so far, so it can't be removed. Also makes sense to remove it
> to discourage weird uses of this call during review.

Any thoughts on this?
I suspect that this may be one of those "I'd like to sit on this for a while"
patchsets?
Which is fine.
But I'm also wondering if this got omitted.

Thanks
Alex

>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
> ---
> .../driver-api/driver-model/devres.rst | 1 -
> drivers/iio/industrialio-core.c | 17 -----------------
> include/linux/iio/iio.h | 4 ----
> 3 files changed, 22 deletions(-)
>
> diff --git a/Documentation/driver-api/driver-model/devres.rst
> b/Documentation/driver-api/driver-model/devres.rst
> index 46c13780994c..0580c64ebdfd 100644
> --- a/Documentation/driver-api/driver-model/devres.rst
> +++ b/Documentation/driver-api/driver-model/devres.rst
> @@ -286,7 +286,6 @@ IIO
> devm_iio_device_alloc()
> devm_iio_device_free()
> devm_iio_device_register()
> - devm_iio_device_unregister()
> devm_iio_kfifo_allocate()
> devm_iio_kfifo_free()
> devm_iio_triggered_buffer_setup()
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index 0b14666dff09..e4011f8431f9 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -1823,23 +1823,6 @@ int __devm_iio_device_register(struct device *dev,
> struct iio_dev *indio_dev,
> }
> EXPORT_SYMBOL_GPL(__devm_iio_device_register);
>
> -/**
> - * devm_iio_device_unregister - Resource-managed iio_device_unregister()
> - * @dev: Device this iio_dev belongs to
> - * @indio_dev: the iio_dev associated with the device
> - *
> - * Unregister iio_dev registered with devm_iio_device_register().
> - */
> -void devm_iio_device_unregister(struct device *dev, struct iio_dev
> *indio_dev)
> -{
> - int rc;
> -
> - rc = devres_release(dev, devm_iio_device_unreg,
> - devm_iio_device_match, indio_dev);
> - WARN_ON(rc);
> -}
> -EXPORT_SYMBOL_GPL(devm_iio_device_unregister);
> -
> /**
> * iio_device_claim_direct_mode - Keep device in direct mode
> * @indio_dev: the iio_dev associated with the device
> diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
> index 862ce0019eba..0eb9e8d7ec68 100644
> --- a/include/linux/iio/iio.h
> +++ b/include/linux/iio/iio.h
> @@ -591,9 +591,6 @@ void iio_device_unregister(struct iio_dev *indio_dev);
> * calls iio_device_register() internally. Refer to that function for more
> * information.
> *
> - * If an iio_dev registered with this function needs to be unregistered
> - * separately, devm_iio_device_unregister() must be used.
> - *
> * RETURNS:
> * 0 on success, negative error number on failure.
> */
> @@ -601,7 +598,6 @@ void iio_device_unregister(struct iio_dev *indio_dev);
> __devm_iio_device_register((dev), (indio_dev), THIS_MODULE);
> int __devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev,
> struct module *this_mod);
> -void devm_iio_device_unregister(struct device *dev, struct iio_dev
> *indio_dev);
> int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp);
> int iio_device_claim_direct_mode(struct iio_dev *indio_dev);
> void iio_device_release_direct_mode(struct iio_dev *indio_dev);
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