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SubjectRe: [PATCH v2 1/3] iio: kfifo: Remove unused argument in iio_kfifo_allocate
On 19/12/14 17:39, Karol Wrona wrote:
> indio_dev was unused in function body plus some small style fix - add new
> lines after "if(sth) return sth" and before the last return statement.
>
> The argument was removed also in its client.
>
> Signed-off-by: Karol Wrona <k.wrona@samsung.com>
Good cleanup - some fuzz applying and required a bit of hand editting
in kfifo_buf.c for reasons I couldn't immediately spot. Please sanity
check I haven't messed anything up.

Thanks,

Jonathan
> ---
> drivers/iio/adc/ti_am335x_adc.c | 2 +-
> drivers/iio/industrialio-triggered-buffer.c | 2 +-
> drivers/iio/kfifo_buf.c | 6 ++++--
> drivers/staging/iio/accel/lis3l02dq_ring.c | 2 +-
> drivers/staging/iio/iio_simple_dummy_buffer.c | 2 +-
> drivers/staging/iio/impedance-analyzer/ad5933.c | 2 +-
> drivers/staging/iio/meter/ade7758_ring.c | 2 +-
> include/linux/iio/kfifo_buf.h | 2 +-
> 8 files changed, 11 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
> index b730864..bf87993 100644
> --- a/drivers/iio/adc/ti_am335x_adc.c
> +++ b/drivers/iio/adc/ti_am335x_adc.c
> @@ -250,7 +250,7 @@ static int tiadc_iio_buffered_hardware_setup(struct iio_dev *indio_dev,
> struct iio_buffer *buffer;
> int ret;
>
> - buffer = iio_kfifo_allocate(indio_dev);
> + buffer = iio_kfifo_allocate();
> if (!buffer)
> return -ENOMEM;
>
> diff --git a/drivers/iio/industrialio-triggered-buffer.c b/drivers/iio/industrialio-triggered-buffer.c
> index d6f54930..6c6307a 100644
> --- a/drivers/iio/industrialio-triggered-buffer.c
> +++ b/drivers/iio/industrialio-triggered-buffer.c
> @@ -49,7 +49,7 @@ int iio_triggered_buffer_setup(struct iio_dev *indio_dev,
> struct iio_buffer *buffer;
> int ret;
>
> - buffer = iio_kfifo_allocate(indio_dev);
> + buffer = iio_kfifo_allocate();
> if (!buffer) {
> ret = -ENOMEM;
> goto error_ret;
> diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c
> index 7134e8a..a383291 100644
> --- a/drivers/iio/kfifo_buf.c
> +++ b/drivers/iio/kfifo_buf.c
> @@ -166,19 +166,21 @@ static const struct iio_buffer_access_funcs kfifo_access_funcs = {
> .release = &iio_kfifo_buffer_release,
> };
>
> -struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev)
> +struct iio_buffer *iio_kfifo_allocate(void)
> {
> struct iio_kfifo *kf;
>
> - kf = kzalloc(sizeof *kf, GFP_KERNEL);
> + kf = kzalloc(sizeof(*kf), GFP_KERNEL);
> if (!kf)
> return NULL;
> +
> kf->update_needed = true;
> iio_buffer_init(&kf->buffer);
> kf->buffer.attrs = &iio_kfifo_attribute_group;
> kf->buffer.access = &kfifo_access_funcs;
> kf->buffer.length = 2;
> mutex_init(&kf->user_lock);
> +
> return &kf->buffer;
> }
> EXPORT_SYMBOL(iio_kfifo_allocate);
> diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
> index 9efc77b..1fd9009 100644
> --- a/drivers/staging/iio/accel/lis3l02dq_ring.c
> +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
> @@ -393,7 +393,7 @@ int lis3l02dq_configure_buffer(struct iio_dev *indio_dev)
> int ret;
> struct iio_buffer *buffer;
>
> - buffer = iio_kfifo_allocate(indio_dev);
> + buffer = iio_kfifo_allocate();
> if (!buffer)
> return -ENOMEM;
>
> diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c
> index fd74f91..df765c9 100644
> --- a/drivers/staging/iio/iio_simple_dummy_buffer.c
> +++ b/drivers/staging/iio/iio_simple_dummy_buffer.c
> @@ -122,7 +122,7 @@ int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev,
> struct iio_buffer *buffer;
>
> /* Allocate a buffer to use - here a kfifo */
> - buffer = iio_kfifo_allocate(indio_dev);
> + buffer = iio_kfifo_allocate();
> if (buffer == NULL) {
> ret = -ENOMEM;
> goto error_ret;
> diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
> index b6bd609..ace9ef8 100644
> --- a/drivers/staging/iio/impedance-analyzer/ad5933.c
> +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
> @@ -626,7 +626,7 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev)
> {
> struct iio_buffer *buffer;
>
> - buffer = iio_kfifo_allocate(indio_dev);
> + buffer = iio_kfifo_allocate();
> if (!buffer)
> return -ENOMEM;
>
> diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c
> index 6e90064..31d2cf3 100644
> --- a/drivers/staging/iio/meter/ade7758_ring.c
> +++ b/drivers/staging/iio/meter/ade7758_ring.c
> @@ -118,7 +118,7 @@ int ade7758_configure_ring(struct iio_dev *indio_dev)
> struct iio_buffer *buffer;
> int ret = 0;
>
> - buffer = iio_kfifo_allocate(indio_dev);
> + buffer = iio_kfifo_allocate();
> if (!buffer) {
> ret = -ENOMEM;
> return ret;
> diff --git a/include/linux/iio/kfifo_buf.h b/include/linux/iio/kfifo_buf.h
> index 25eeac7..1a8d57a 100644
> --- a/include/linux/iio/kfifo_buf.h
> +++ b/include/linux/iio/kfifo_buf.h
> @@ -5,7 +5,7 @@
> #include <linux/iio/iio.h>
> #include <linux/iio/buffer.h>
>
> -struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev);
> +struct iio_buffer *iio_kfifo_allocate(void);
> void iio_kfifo_free(struct iio_buffer *r);
>
> #endif
>



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