From: Denis Turischev <denis@compulab.co.il>
Date: Tue, 11 May 2010 21:06:44 +0000 (-0700)
Subject: it8761e_gpio: fix bug in gpio numbering
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3c904afd7358e9ef515eb5df36b6f25c2b7fc2da;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

it8761e_gpio: fix bug in gpio numbering

The SIO chip contains 16 possible gpio lines, not 14.  The schematic was
not read carefully.

Signed-off-by: Denis Turischev <denis@compulab.co.il>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/gpio/it8761e_gpio.c b/drivers/gpio/it8761e_gpio.c
index 753219cf993a..41a9388f2fde 100644
--- a/drivers/gpio/it8761e_gpio.c
+++ b/drivers/gpio/it8761e_gpio.c
@@ -80,8 +80,8 @@ static int it8761e_gpio_get(struct gpio_chip *gc, unsigned gpio_num)
 	u16 reg;
 	u8 bit;
 
-	bit = gpio_num % 7;
-	reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+	bit = gpio_num % 8;
+	reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
 
 	return !!(inb(reg) & (1 << bit));
 }
@@ -91,8 +91,8 @@ static int it8761e_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num)
 	u8 curr_dirs;
 	u8 io_reg, bit;
 
-	bit = gpio_num % 7;
-	io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+	bit = gpio_num % 8;
+	io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
 
 	spin_lock(&sio_lock);
 
@@ -116,8 +116,8 @@ static void it8761e_gpio_set(struct gpio_chip *gc,
 	u8 curr_vals, bit;
 	u16 reg;
 
-	bit = gpio_num % 7;
-	reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+	bit = gpio_num % 8;
+	reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
 
 	spin_lock(&sio_lock);
 
@@ -135,8 +135,8 @@ static int it8761e_gpio_direction_out(struct gpio_chip *gc,
 {
 	u8 curr_dirs, io_reg, bit;
 
-	bit = gpio_num % 7;
-	io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+	bit = gpio_num % 8;
+	io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
 
 	it8761e_gpio_set(gc, gpio_num, val);
 
@@ -200,7 +200,7 @@ static int __init it8761e_gpio_init(void)
 		return -EBUSY;
 
 	it8761e_gpio_chip.base = -1;
-	it8761e_gpio_chip.ngpio = 14;
+	it8761e_gpio_chip.ngpio = 16;
 
 	err = gpiochip_add(&it8761e_gpio_chip);
 	if (err < 0)