staging: comedi: das1800: remove 'volatile' from private data

As indicated by checkpatch.pl, "WARNING: Use of volatile is usually
wrong: ...". The variables in the private data that are marked
volatile don't need to be. Remove the volatile.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/das1800.c

@@ -421,7 +421,7 @@ static const struct das1800_board das1800_boards[] = {
 };
 
 struct das1800_private {
-	volatile unsigned int count;	/* number of data points left to be taken */
+	unsigned int count;	/* number of data points left to be taken */
 	unsigned int divisor1;	/* value to load into board's counter 1 for timed conversions */
 	unsigned int divisor2;	/* value to load into board's counter 2 for timed conversions */
 	int irq_dma_bits;	/* bits for control register b */
@@ -430,7 +430,7 @@ struct das1800_private {
 	int dma_bits;
 	unsigned int dma0;	/* dma channels used */
 	unsigned int dma1;
-	volatile unsigned int dma_current;	/* dma channel currently in use */
+	unsigned int dma_current;	/* dma channel currently in use */
 	uint16_t *ai_buf0;	/* pointers to dma buffers */
 	uint16_t *ai_buf1;
 	uint16_t *dma_current_buf;	/* pointer to dma buffer currently being used */