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Commit 68bc7304 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Greg Kroah-Hartman
Browse files

staging:iio: Drop buffer busy flag 



The flag is only cleared, never set or tested, so it is safe to remove it.

Acked-by: default avatarJonathan Cameron <jic23@kernel.org>
Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent bb01443e

drivers/staging/iio/buffer.h

+0 −2
Original line number Diff line number Diff line
@@ -79,7 +79,6 @@ struct iio_buffer_access_funcs { 
 *			created from the iio_chan_info array.

 * @pollq:		[INTERN] wait queue to allow for polling on the buffer.

 * @stufftoread:	[INTERN] flag to indicate new data.

 * @flags:		[INTERN] file ops related flags including busy flag.

 * @demux_list:		[INTERN] list of operations required to demux the scan.

 * @demux_bounce:	[INTERN] buffer for doing gather from incoming scan.

 **/
@@ -95,7 +94,6 @@ struct iio_buffer { 
	struct attribute_group			scan_el_group;

	wait_queue_head_t			pollq;

	bool					stufftoread;

	unsigned long				flags;

	const struct attribute_group *attrs;

	struct list_head			demux_list;

	unsigned char				*demux_bounce;

drivers/staging/iio/industrialio-buffer.c

+0 −1
Original line number Diff line number Diff line
@@ -80,7 +80,6 @@ void iio_chrdev_buffer_release(struct iio_dev *indio_dev) 


	if (!rb)

		return;

	clear_bit(IIO_BUSY_BIT_POS, &rb->flags);

	if (rb->access->unmark_in_use)

		rb->access->unmark_in_use(rb);

}