diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index 6e7db991..196a837 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -444,7 +444,7 @@
 	return status < 0 ? status : -EREMOTEIO;
 }
 
-int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, size_t count)
+int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, u32 count)
 {
 	int status;
 
diff --git a/drivers/media/dvb/frontends/stb0899_priv.h b/drivers/media/dvb/frontends/stb0899_priv.h
index da7fddb..f9b8f51 100644
--- a/drivers/media/dvb/frontends/stb0899_priv.h
+++ b/drivers/media/dvb/frontends/stb0899_priv.h
@@ -238,7 +238,7 @@
 
 extern int stb0899_read_regs(struct stb0899_state *state,
 			     unsigned int reg, u8 *buf,
-			     size_t count);
+			     u32 count);
 
 extern int stb0899_write_regs(struct stb0899_state *state,
 			      unsigned int reg, u8 *data,