I2C: ARM: DaVinci: cleanup spacing, spelling

Cleanup spacing and spelling mistakes.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Kevin Hilman <khilman@mvista.com>

drivers/i2c/busses/i2c-davinci.c

@@ -175,13 +175,13 @@ static int i2c_davinci_init(struct davinci_i2c_dev *dev)
 	 *       if PSC > 1 , d = 5
 	 */
 
-	/* get minimum of 7mHz clock, but max of 12mHz */
-	psc = (input_clock/7000000)-1;
-	if ((input_clock/(psc+1)) > 12000000)
-		psc++;
+	/* get minimum of 7 MHz clock, but max of 12 MHz */
+	psc = (input_clock / 7000000) - 1;
+	if ((input_clock / (psc + 1)) > 12000000)
+		psc++;	/* better to run under spec than over */
 	d = (psc >= 2)? 5 : 7 - psc;
 
-	clk = ((input_clock/(psc+1)) / (pdata->bus_freq * 1000)) - (d<<1);
+	clk = ((input_clock / (psc + 1)) / (pdata->bus_freq * 1000)) - (d<<1);
 	clkh = clk>>1;
 	clkl = clk - clkh;
 
@@ -189,14 +189,14 @@ static int i2c_davinci_init(struct davinci_i2c_dev *dev)
 	davinci_i2c_write_reg(dev, DAVINCI_I2C_CLKH_REG, clkh);
 	davinci_i2c_write_reg(dev, DAVINCI_I2C_CLKL_REG, clkl);
 
-	dev_dbg(dev->dev, "input_clock=%d, CLK  = %d\n", input_clock, clk);
+	dev_dbg(dev->dev, "input_clock = %d, CLK = %d\n", input_clock, clk);
 	dev_dbg(dev->dev, "PSC  = %d\n",
 		davinci_i2c_read_reg(dev, DAVINCI_I2C_PSC_REG));
 	dev_dbg(dev->dev, "CLKL = %d\n",
 		davinci_i2c_read_reg(dev, DAVINCI_I2C_CLKL_REG));
 	dev_dbg(dev->dev, "CLKH = %d\n",
 		davinci_i2c_read_reg(dev, DAVINCI_I2C_CLKH_REG));
-	dev_dbg(dev->dev, "bus_freq = %dkHz bus_delay = %d\n",
+	dev_dbg(dev->dev, "bus_freq = %dkHz, bus_delay = %d\n",
 		pdata->bus_freq, pdata->bus_delay);
 
 	/* Take the I2C module out of reset: */
@@ -362,7 +362,7 @@ i2c_davinci_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
 
 	for (i = 0; i < num; i++) {
 		ret = i2c_davinci_xfer_msg(adap, &msgs[i], (i == (num - 1)));
-		dev_dbg(dev->dev, "%s ret: %d\n", __FUNCTION__, ret);
+		dev_dbg(dev->dev, "%s ret: %d\n", __func__, ret);
 		if (ret < 0)
 			return ret;
 	}