V4L/DVB (11589): stv090x: code simplification

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stv090x.c

@@ -1368,7 +1368,6 @@ static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
 {
 	u8 r3, r2, r1, r0;
 	s32 srate, int_1, int_2, tmp_1, tmp_2;
-	u32 pow2;
 
 	r3 = STV090x_READ_DEMOD(state, SFR3);
 	r2 = STV090x_READ_DEMOD(state, SFR2);
@@ -1377,16 +1376,15 @@ static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
 
 	srate = ((r3 << 24) | (r2 << 16) | (r1 <<  8) | r0);
 
-	pow2 = 1 << 16;
-	int_1 = clk / pow2;
-	int_2 = srate / pow2;
+	int_1 = clk >> 16;
+	int_2 = srate >> 16;
 
-	tmp_1 = clk % pow2;
-	tmp_2 = srate % pow2;
+	tmp_1 = clk % 0x10000;
+	tmp_2 = srate % 0x10000;
 
 	srate = (int_1 * int_2) +
-		((int_1 * tmp_2) / pow2) +
-		((int_2 * tmp_1) / pow2);
+		((int_1 * tmp_2) >> 16) +
+		((int_2 * tmp_1) >> 16);
 
 	return srate;
 }