I2C: TWL4030: Avoid declaring 1-use-only variables

Avoids declaring local variables used only once in
the function. This preserve a register allocation thus
avoiding extra MOVs from happening.
Signed-off-by: Felipe Balbi <felipe.lima@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/i2c/chips/twl4030_core.c

@@ -356,14 +356,12 @@ int twl4030_i2c_read(u8 mod_no, u8 * value, u8 reg, u8 num_bytes)
  */
 int twl4030_i2c_write_u8(u8 mod_no, u8 value, u8 reg)
 {
-	int ret;
 
 	/* 2 bytes offset 1 contains the data offset 0 is used by i2c_write */
 	u8 temp_buffer[2] = { 0 };
 	/* offset 1 contains the data */
 	temp_buffer[1] = value;
-	ret = twl4030_i2c_write(mod_no, temp_buffer, reg, 1);
-	return ret;
+	return twl4030_i2c_write(mod_no, temp_buffer, reg, 1);
 }
 
 /**
@@ -377,10 +375,7 @@ int twl4030_i2c_write_u8(u8 mod_no, u8 value, u8 reg)
  */
 int twl4030_i2c_read_u8(u8 mod_no, u8 * value, u8 reg)
 {
-	int ret = 0;
-
-	ret = twl4030_i2c_read(mod_no, value, reg, 1);
-	return ret;
+	return twl4030_i2c_read(mod_no, value, reg, 1);
 }
 
 /* Helper Functions */

drivers/i2c/chips/twl4030_gpio.c

@@ -214,8 +214,6 @@ static int gpio_read_isr(unsigned int *isr)
 
 static int gpio_write_isr(unsigned int isr)
 {
-	int ret;
-
 	isr &= GPIO_32_MASK;
 	/*
 	 * The buffer passed to the twl4030_i2c_write() routine must have an
@@ -223,15 +221,12 @@ static int gpio_write_isr(unsigned int isr)
 	 */
 	isr <<= 8;
 	isr = cpu_to_le32(isr);
-	ret = twl4030_i2c_write(TWL4030_MODULE_GPIO, (u8 *) &isr,
+	return twl4030_i2c_write(TWL4030_MODULE_GPIO, (u8 *) &isr,
 				REG_GPIO_ISR1A, 3);
-	return ret;
 }
 
 static int gpio_write_imr(unsigned int imr)
 {
-	int ret;
-
 	imr &= GPIO_32_MASK;
 	/*
 	 * The buffer passed to the twl4030_i2c_write() routine must have an
@@ -239,9 +234,8 @@ static int gpio_write_imr(unsigned int imr)
 	 */
 	imr <<= 8;
 	imr = cpu_to_le32(imr);
-	ret = twl4030_i2c_write(TWL4030_MODULE_GPIO, (u8 *) &imr,
+	return twl4030_i2c_write(TWL4030_MODULE_GPIO, (u8 *) &imr,
 				REG_GPIO_IMR1A, 3);
-	return ret;
 }
 
 /*