diff --git a/wbsio_spi.c b/wbsio_spi.c
index 50ea1aa..740a48c 100644
--- a/wbsio_spi.c
+++ b/wbsio_spi.c
@@ -60,9 +60,12 @@
 	return flashport;
 }
 
-static int wbsio_spi_send_command(unsigned int writecnt, unsigned int readcnt,
-		      const unsigned char *writearr, unsigned char *readarr);
-static int wbsio_spi_read(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len);
+static int wbsio_spi_send_command(struct flashctx *flash, unsigned int writecnt,
+				  unsigned int readcnt,
+				  const unsigned char *writearr,
+				  unsigned char *readarr);
+static int wbsio_spi_read(struct flashctx *flash, uint8_t *buf,
+			  unsigned int start, unsigned int len);
 
 static const struct spi_programmer spi_programmer_wbsio = {
 	.type = SPI_CONTROLLER_WBSIO,
@@ -110,8 +113,10 @@
  * Would one more byte of RAM in the chip (to get all 24 bits) really make
  * such a big difference?
  */
-static int wbsio_spi_send_command(unsigned int writecnt, unsigned int readcnt,
-		      const unsigned char *writearr, unsigned char *readarr)
+static int wbsio_spi_send_command(struct flashctx *flash, unsigned int writecnt,
+				  unsigned int readcnt,
+				  const unsigned char *writearr,
+				  unsigned char *readarr)
 {
 	int i;
 	uint8_t mode = 0;
@@ -194,7 +199,8 @@
 	return 0;
 }
 
-static int wbsio_spi_read(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len)
+static int wbsio_spi_read(struct flashctx *flash, uint8_t *buf,
+			  unsigned int start, unsigned int len)
 {
 	return read_memmapped(flash, buf, start, len);
 }