3 files changed, 48 insertions, 81 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 36586dba6fa6..7a8660a2f262 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -556,7 +556,7 @@ config ARCH_IXP4XX
         select ARCH_HAS_DMA_SET_COHERENT_MASK
         select CLKSRC_MMIO
         select CPU_XSCALE
-        select GENERIC_GPIO
+        select ARCH_REQUIRE_GPIOLIB
         select GENERIC_CLOCKEVENTS
         select MIGHT_HAVE_PCI
         select NEED_MACH_IO_H
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index ebbd7fc90eb4..a9f80943d01f 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -28,6 +28,7 @@
 #include <linux/clockchips.h>
 #include <linux/io.h>
 #include <linux/export.h>
+#include <linux/gpio.h>
 
 #include <mach/udc.h>
 #include <mach/hardware.h>
@@ -107,7 +108,7 @@ static signed char irq2gpio[32] = {
          7,  8,  9, 10, 11, 12, -1, -1,
 };
 
-int gpio_to_irq(int gpio)
+static int ixp4xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
 {
         int irq;
 
@@ -117,7 +118,6 @@ int gpio_to_irq(int gpio)
         }
         return -EINVAL;
 }
-EXPORT_SYMBOL(gpio_to_irq);
 
 int irq_to_gpio(unsigned int irq)
 {
@@ -383,12 +383,56 @@ static struct platform_device *ixp46x_devices[] __initdata = {
 unsigned long ixp4xx_exp_bus_size;
 EXPORT_SYMBOL(ixp4xx_exp_bus_size);
 
+static int ixp4xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+        gpio_line_config(gpio, IXP4XX_GPIO_IN);
+
+        return 0;
+}
+
+static int ixp4xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
+                                        int level)
+{
+        gpio_line_set(gpio, level);
+        gpio_line_config(gpio, IXP4XX_GPIO_OUT);
+
+        return 0;
+}
+
+static int ixp4xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+        int value;
+
+        gpio_line_get(gpio, &value);
+
+        return value;
+}
+
+static void ixp4xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
+                                  int value)
+{
+        gpio_line_set(gpio, value);
+}
+
+static struct gpio_chip ixp4xx_gpio_chip = {
+        .label                  = "IXP4XX_GPIO_CHIP",
+        .direction_input        = ixp4xx_gpio_direction_input,
+        .direction_output       = ixp4xx_gpio_direction_output,
+        .get                    = ixp4xx_gpio_get_value,
+        .set                    = ixp4xx_gpio_set_value,
+        .to_irq                 = ixp4xx_gpio_to_irq,
+        .base                   = 0,
+        .ngpio                  = 16,
+};
+
 void __init ixp4xx_sys_init(void)
 {
         ixp4xx_exp_bus_size = SZ_16M;
 
         platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
 
+        gpiochip_add(&ixp4xx_gpio_chip);
+
         if (cpu_is_ixp46x()) {
                 int region;
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h
index 83d6b4ed60bb..ef37f2635b0e 100644
--- a/arch/arm/mach-ixp4xx/include/mach/gpio.h
+++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h
@@ -1,79 +1,2 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/gpio.h
- *
- * IXP4XX GPIO wrappers for arch-neutral GPIO calls
- *
- * Written by Milan Svoboda <msvoboda@ra.rockwell.com>
- * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __ASM_ARCH_IXP4XX_GPIO_H
-#define __ASM_ARCH_IXP4XX_GPIO_H
-
-#include <linux/kernel.h>
-#include <mach/hardware.h>
-
-#define __ARM_GPIOLIB_COMPLEX
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
-        return 0;
-}
-
-static inline void gpio_free(unsigned gpio)
-{
-        might_sleep();
-
-        return;
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
-        gpio_line_config(gpio, IXP4XX_GPIO_IN);
-        return 0;
-}
-
-static inline int gpio_direction_output(unsigned gpio, int level)
-{
-        gpio_line_set(gpio, level);
-        gpio_line_config(gpio, IXP4XX_GPIO_OUT);
-        return 0;
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
-        int value;
-
-        gpio_line_get(gpio, &value);
-
-        return value;
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-        gpio_line_set(gpio, value);
-}
-
-#include <asm-generic/gpio.h>                   /* cansleep wrappers */
-
-extern int gpio_to_irq(int gpio);
-#define gpio_to_irq gpio_to_irq
-extern int irq_to_gpio(unsigned int irq);
-
-#endif
+/* empty */