staging:iio: Drop buffer busy flag
The flag is only cleared, never set or tested, so it is safe to remove it. Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -79,7 +79,6 @@ struct iio_buffer_access_funcs {
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* created from the iio_chan_info array.
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* @pollq: [INTERN] wait queue to allow for polling on the buffer.
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* @stufftoread: [INTERN] flag to indicate new data.
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* @flags: [INTERN] file ops related flags including busy flag.
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* @demux_list: [INTERN] list of operations required to demux the scan.
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* @demux_bounce: [INTERN] buffer for doing gather from incoming scan.
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**/
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@ -95,7 +94,6 @@ struct iio_buffer {
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struct attribute_group scan_el_group;
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wait_queue_head_t pollq;
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bool stufftoread;
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unsigned long flags;
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const struct attribute_group *attrs;
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struct list_head demux_list;
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unsigned char *demux_bounce;
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@ -80,7 +80,6 @@ void iio_chrdev_buffer_release(struct iio_dev *indio_dev)
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if (!rb)
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return;
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clear_bit(IIO_BUSY_BIT_POS, &rb->flags);
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if (rb->access->unmark_in_use)
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rb->access->unmark_in_use(rb);
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}
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