staging:iio:accel:sca3000 drop some unused variables.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>

drivers/staging/iio/accel/sca3000.c

@@ -155,23 +155,19 @@
  * struct sca3000_state - device instance state information
  * @us:			the associated spi device
  * @info:			chip variant information
- * @interrupt_handler_ws:	event interrupt handler for all events
  * @last_timestamp:		the timestamp of the last event
  * @mo_det_use_count:		reference counter for the motion detection unit
  * @lock:			lock used to protect elements of sca3000_state
  *				and the underlying device state.
- * @bpse:			number of bits per scan element
  * @tx:			dma-able transmit buffer
  * @rx:			dma-able receive buffer
  **/
 struct sca3000_state {
 	struct spi_device		*us;
 	const struct sca3000_chip_info	*info;
-	struct work_struct		interrupt_handler_ws;
 	s64				last_timestamp;
 	int				mo_det_use_count;
 	struct mutex			lock;
-	int				bpse;
 	/* Can these share a cacheline ? */
 	u8				rx[384] ____cacheline_aligned;
 	u8				tx[6] ____cacheline_aligned;
@@ -1430,7 +1426,6 @@ static int sca3000_clean_setup(struct sca3000_state *st)
 		goto error_ret;
 	ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
 				(st->rx[0] & SCA3000_MODE_PROT_MASK));
-	st->bpse = 11;
 
 error_ret:
 	mutex_unlock(&st->lock);