X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fgpio%2Fgpio-ts4900.c;h=416725c26e949e65a90dbb0bf6065c1a82107880;hb=26803bac2b70a7314f19d56c588cf7d55e4ddc3e;hp=69854fd2382aae45135b5674dc404bcadaa6a8e7;hpb=ebcb577aee1448fd60904fc4126cbf7ec012bd0b;p=linux-2.6-microblaze.git

diff --git a/drivers/gpio/gpio-ts4900.c b/drivers/gpio/gpio-ts4900.c
index 69854fd2382a..416725c26e94 100644
--- a/drivers/gpio/gpio-ts4900.c
+++ b/drivers/gpio/gpio-ts4900.c
@@ -47,8 +47,9 @@ static int ts4900_gpio_direction_input(struct gpio_chip *chip,
 {
 	struct ts4900_gpio_priv *priv = gpiochip_get_data(chip);
 
-	/* Only clear the OE bit here, requires a RMW. Prevents potential issue
-	 * with OE and data getting to the physical pin at different times.
+	/*
+	 * Only clear the OE bit here, requires a RMW. Prevents a potential issue
+	 * with OE and DAT getting to the physical pin at different times.
 	 */
 	return regmap_update_bits(priv->regmap, offset, TS4900_GPIO_OE, 0);
 }
@@ -60,9 +61,10 @@ static int ts4900_gpio_direction_output(struct gpio_chip *chip,
 	unsigned int reg;
 	int ret;
 
-	/* If changing from an input to an output, we need to first set the
-	 * proper data bit to what is requested and then set OE bit. This
-	 * prevents a glitch that can occur on the IO line
+	/*
+	 * If changing from an input to an output, we need to first set the
+	 * GPIO's DAT bit to what is requested and then set the OE bit. This
+	 * prevents a glitch that can occur on the IO line.
 	 */
 	regmap_read(priv->regmap, offset, &reg);
 	if (!(reg & TS4900_GPIO_OE)) {