From 68bc73043224fb1a5a22ff9e77a9c758b9828525 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Mon, 19 Dec 2011 15:23:46 +0100 Subject: [PATCH] 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 Signed-off-by: Lars-Peter Clausen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/buffer.h | 2 -- drivers/staging/iio/industrialio-buffer.c | 1 - 2 files changed, 3 deletions(-) diff --git a/drivers/staging/iio/buffer.h b/drivers/staging/iio/buffer.h index 44593b28b36f..eb4938cf6ab4 100644 --- a/drivers/staging/iio/buffer.h +++ b/drivers/staging/iio/buffer.h @@ -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; diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c index 59472890cb2a..4c6d183509f5 100644 --- a/drivers/staging/iio/industrialio-buffer.c +++ b/drivers/staging/iio/industrialio-buffer.c @@ -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); }