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SubjectRe: [PATCH 3/8] iio: core: drop devm_iio_device_free() API call
On Thu, 27 Feb 2020 15:52:22 +0200
Alexandru Ardelean <alexandru.ardelean@analog.com> 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.
>
> This is the last user of 'devm_iio_device_match()', so it can be removed as
> well in this patch.
>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Applied.

Thanks,

J
> ---
> .../driver-api/driver-model/devres.rst | 1 -
> drivers/iio/industrialio-core.c | 31 -------------------
> include/linux/iio/iio.h | 2 --
> 3 files changed, 34 deletions(-)
>
> diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
> index 1431d5e44abc..6ae6c67dfec0 100644
> --- a/Documentation/driver-api/driver-model/devres.rst
> +++ b/Documentation/driver-api/driver-model/devres.rst
> @@ -284,7 +284,6 @@ I2C
>
> IIO
> devm_iio_device_alloc()
> - devm_iio_device_free()
> devm_iio_device_register()
> devm_iio_kfifo_allocate()
> devm_iio_kfifo_free()
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index e4011f8431f9..ebe338a0494f 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -1539,17 +1539,6 @@ static void devm_iio_device_release(struct device *dev, void *res)
> iio_device_free(*(struct iio_dev **)res);
> }
>
> -int devm_iio_device_match(struct device *dev, void *res, void *data)
> -{
> - struct iio_dev **r = res;
> - if (!r || !*r) {
> - WARN_ON(!r || !*r);
> - return 0;
> - }
> - return *r == data;
> -}
> -EXPORT_SYMBOL_GPL(devm_iio_device_match);
> -
> /**
> * devm_iio_device_alloc - Resource-managed iio_device_alloc()
> * @dev: Device to allocate iio_dev for
> @@ -1558,9 +1547,6 @@ EXPORT_SYMBOL_GPL(devm_iio_device_match);
> * Managed iio_device_alloc. iio_dev allocated with this function is
> * automatically freed on driver detach.
> *
> - * If an iio_dev allocated with this function needs to be freed separately,
> - * devm_iio_device_free() must be used.
> - *
> * RETURNS:
> * Pointer to allocated iio_dev on success, NULL on failure.
> */
> @@ -1585,23 +1571,6 @@ struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv)
> }
> EXPORT_SYMBOL_GPL(devm_iio_device_alloc);
>
> -/**
> - * devm_iio_device_free - Resource-managed iio_device_free()
> - * @dev: Device this iio_dev belongs to
> - * @iio_dev: the iio_dev associated with the device
> - *
> - * Free iio_dev allocated with devm_iio_device_alloc().
> - */
> -void devm_iio_device_free(struct device *dev, struct iio_dev *iio_dev)
> -{
> - int rc;
> -
> - rc = devres_release(dev, devm_iio_device_release,
> - devm_iio_device_match, iio_dev);
> - WARN_ON(rc);
> -}
> -EXPORT_SYMBOL_GPL(devm_iio_device_free);
> -
> /**
> * iio_chrdev_open() - chrdev file open for buffer access and ioctls
> * @inode: Inode structure for identifying the device in the file system
> diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
> index 0eb9e8d7ec68..2920c065ab9b 100644
> --- a/include/linux/iio/iio.h
> +++ b/include/linux/iio/iio.h
> @@ -686,9 +686,7 @@ static inline struct iio_dev *iio_priv_to_dev(void *priv)
> }
>
> void iio_device_free(struct iio_dev *indio_dev);
> -int devm_iio_device_match(struct device *dev, void *res, void *data);
> struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv);
> -void devm_iio_device_free(struct device *dev, struct iio_dev *indio_dev);
> struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,
> const char *fmt, ...);
> void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig);

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