drivers: squash lines for immediate return

Remove unneeded variables and assignments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

drivers/block/sym53c8xx.c

@@ -284,9 +284,8 @@ void scsi_low_level_init(int busdevfunc)
  */
 unsigned long swap_script(unsigned long val)
 {
-	unsigned long tmp;
-	tmp = ((val>>24)&0xff) | ((val>>8)&0xff00) | ((val<<8)&0xff0000) | ((val<<24)&0xff000000);
-	return tmp;
+	return ((val >> 24) & 0xff) | ((val >> 8) & 0xff00) |
+		((val << 8) & 0xff0000) | ((val << 24) & 0xff000000);
 }
 
 

drivers/ddr/fsl/ddr1_dimm_params.c

@@ -108,22 +108,14 @@ static unsigned int byte40_table_ps[8] = {
 static unsigned int
 compute_trfc_ps_from_spd(unsigned char trctrfc_ext, unsigned char trfc)
 {
-	unsigned int trfc_ps;
-
-	trfc_ps = (((trctrfc_ext & 0x1) * 256) + trfc) * 1000
+	return ((trctrfc_ext & 0x1) * 256 + trfc) * 1000
 		+ byte40_table_ps[(trctrfc_ext >> 1) & 0x7];
-
-	return trfc_ps;
 }
 
 static unsigned int
 compute_trc_ps_from_spd(unsigned char trctrfc_ext, unsigned char trc)
 {
-	unsigned int trc_ps;
-
-	trc_ps = trc * 1000 + byte40_table_ps[(trctrfc_ext >> 4) & 0x7];
-
-	return trc_ps;
+	return trc * 1000 + byte40_table_ps[(trctrfc_ext >> 4) & 0x7];
 }
 
 /*

drivers/ddr/fsl/ddr2_dimm_params.c

@@ -107,22 +107,14 @@ static unsigned int byte40_table_ps[8] = {
 static unsigned int
 compute_trfc_ps_from_spd(unsigned char trctrfc_ext, unsigned char trfc)
 {
-	unsigned int trfc_ps;
-
-	trfc_ps = (((trctrfc_ext & 0x1) * 256) + trfc) * 1000
+	return (((trctrfc_ext & 0x1) * 256) + trfc) * 1000
 		+ byte40_table_ps[(trctrfc_ext >> 1) & 0x7];
-
-	return trfc_ps;
 }
 
 static unsigned int
 compute_trc_ps_from_spd(unsigned char trctrfc_ext, unsigned char trc)
 {
-	unsigned int trc_ps;
-
-	trc_ps = trc * 1000 + byte40_table_ps[(trctrfc_ext >> 4) & 0x7];
-
-	return trc_ps;
+	return trc * 1000 + byte40_table_ps[(trctrfc_ext >> 4) & 0x7];
 }
 
 /*

drivers/ddr/marvell/a38x/ddr3_a38x.c

@@ -706,11 +706,7 @@ int ddr3_tip_ext_write(u32 dev_num, u32 if_id, u32 reg_addr,
 
 int ddr3_silicon_pre_init(void)
 {
-	int result;
-
-	result = ddr3_silicon_init();
-
-	return result;
+	return ddr3_silicon_init();
 }
 
 int ddr3_post_run_alg(void)

drivers/power/axp809.c

@@ -217,13 +217,7 @@ int axp_set_sw(bool on)
 
 int axp_init(void)
 {
-	int ret;
-
-	ret = pmic_bus_init();
-	if (ret)
-		return ret;
-
-	return 0;
+	return pmic_bus_init();
 }
 
 int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

drivers/rtc/m48t35ax.c

@@ -127,10 +127,8 @@ void rtc_reset (void)
 
 static uchar rtc_read (uchar reg)
 {
-	uchar val;
-	val = *(unsigned char *)
+	return *(unsigned char *)
 		((CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_NVRAM_SIZE - 8) + reg);
-	return val;
 }
 
 static void rtc_write (uchar reg, uchar val)