diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index 2caa192..6e7db991 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -495,7 +495,7 @@
 	return status < 0 ? status : -EREMOTEIO;
 }
 
-int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, size_t count)
+int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, u32 count)
 {
 	int ret;
 	u8 buf[2 + count];