ARM: pxa: rename gpio_to_irq and irq_to_gpio

Avoid to define gpio_to_irq() and irq_to_gpio() for potential name
confliction since multiple architecture will be built together.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>

39 files changed, 176 insertions, 98 deletions

diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 06b5ad774604..fb7dfc157a5c 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -120,8 +120,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(27),
-                .end    = gpio_to_irq(27),
+                .start  = MMP_GPIO_TO_IRQ(27),
+                .end    = MMP_GPIO_TO_IRQ(27),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         }
 };
diff --git a/arch/arm/mach-mmp/flint.c b/arch/arm/mach-mmp/flint.c
index c4fd806b15b4..a64c172082c4 100644
--- a/arch/arm/mach-mmp/flint.c
+++ b/arch/arm/mach-mmp/flint.c
@@ -87,8 +87,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(155),
-                .end    = gpio_to_irq(155),
+                .start  = MMP_GPIO_TO_IRQ(155),
+                .end    = MMP_GPIO_TO_IRQ(155),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         }
 };
diff --git a/arch/arm/mach-mmp/include/mach/gpio-pxa.h b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
index d14eeaf16322..a462d1ca214e 100644
--- a/arch/arm/mach-mmp/include/mach/gpio-pxa.h
+++ b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
@@ -2,6 +2,7 @@
 #define __ASM_MACH_GPIO_PXA_H
 
 #include <mach/addr-map.h>
+#include <mach/cputype.h>
 #include <mach/irqs.h>
 
 #define GPIO_REGS_VIRT  (APB_VIRT_BASE + 0x19000)
diff --git a/arch/arm/mach-mmp/include/mach/gpio.h b/arch/arm/mach-mmp/include/mach/gpio.h
index 681262359d1c..32b684aacea8 100644
--- a/arch/arm/mach-mmp/include/mach/gpio.h
+++ b/arch/arm/mach-mmp/include/mach/gpio.h
@@ -3,9 +3,6 @@
 
 #include <asm-generic/gpio.h>
 
-#define gpio_to_irq(gpio)       (IRQ_GPIO_START + (gpio))
-#define irq_to_gpio(irq)        ((irq) - IRQ_GPIO_START)
-
 #define __gpio_is_inverted(gpio)        (0)
 #define __gpio_is_occupied(gpio)        (0)
 
diff --git a/arch/arm/mach-mmp/include/mach/irqs.h b/arch/arm/mach-mmp/include/mach/irqs.h
index a09d328e2ddd..ec95951f0983 100644
--- a/arch/arm/mach-mmp/include/mach/irqs.h
+++ b/arch/arm/mach-mmp/include/mach/irqs.h
@@ -221,6 +221,7 @@
 #define IRQ_GPIO_START                  128
 #define IRQ_GPIO_NUM                    192
 #define IRQ_GPIO(x)                     (IRQ_GPIO_START + (x))
+#define MMP_GPIO_TO_IRQ(gpio)           (IRQ_GPIO_START + (gpio))
 
 #define IRQ_BOARD_START                 (IRQ_GPIO_START + IRQ_GPIO_NUM)
 
diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c
index eb5be879fd8c..0afe3a39982f 100644
--- a/arch/arm/mach-mmp/tavorevb.c
+++ b/arch/arm/mach-mmp/tavorevb.c
@@ -71,8 +71,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(80),
-                .end    = gpio_to_irq(80),
+                .start  = MMP_GPIO_TO_IRQ(80),
+                .end    = MMP_GPIO_TO_IRQ(80),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         }
 };
diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
index bbe4727b96cc..825a01cdcccd 100644
--- a/arch/arm/mach-mmp/teton_bga.c
+++ b/arch/arm/mach-mmp/teton_bga.c
@@ -66,7 +66,7 @@ static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
 static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
         {
                 I2C_BOARD_INFO("ds1337", 0x68),
-                .irq = gpio_to_irq(RTC_INT_GPIO)
+                .irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
         },
 };
 
diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c
index 4efc16d39c79..5516317b9e64 100644
--- a/arch/arm/mach-pxa/capc7117.c
+++ b/arch/arm/mach-pxa/capc7117.c
@@ -50,8 +50,8 @@ static struct resource capc7117_ide_resources[] = {
                .flags = IORESOURCE_MEM
         },
         [2] = {
-               .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO76)),
-               .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO76)),
+               .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
+               .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
                .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
         }
 };
@@ -80,7 +80,7 @@ static void __init capc7117_ide_init(void)
 static struct plat_serial8250_port ti16c752_platform_data[] = {
         [0] = {
                .mapbase = 0x14000000,
-               .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO78)),
+               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
                .irqflags = IRQF_TRIGGER_RISING,
                .flags = TI16C752_FLAGS,
                .iotype = UPIO_MEM,
@@ -89,7 +89,7 @@ static struct plat_serial8250_port ti16c752_platform_data[] = {
         },
         [1] = {
                .mapbase = 0x14000040,
-               .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO79)),
+               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
                .irqflags = IRQF_TRIGGER_RISING,
                .flags = TI16C752_FLAGS,
                .iotype = UPIO_MEM,
@@ -98,7 +98,7 @@ static struct plat_serial8250_port ti16c752_platform_data[] = {
         },
         [2] = {
                .mapbase = 0x14000080,
-               .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO80)),
+               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
                .irqflags = IRQF_TRIGGER_RISING,
                .flags = TI16C752_FLAGS,
                .iotype = UPIO_MEM,
@@ -107,7 +107,7 @@ static struct plat_serial8250_port ti16c752_platform_data[] = {
         },
         [3] = {
                .mapbase = 0x140000c0,
-               .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO81)),
+               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
                .irqflags = IRQF_TRIGGER_RISING,
                .flags = TI16C752_FLAGS,
                .iotype = UPIO_MEM,
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index 4ebcee5756b1..431ef56700c4 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -380,7 +380,7 @@ static struct spi_board_info cm_x270_spi_devices[] __initdata = {
                 .modalias               = "libertas_spi",
                 .max_speed_hz           = 13000000,
                 .bus_num                = 2,
-                .irq                    = gpio_to_irq(95),
+                .irq                    = PXA_GPIO_TO_IRQ(95),
                 .chip_select            = 0,
                 .controller_data        = &cm_x270_libertas_chip,
                 .platform_data          = &cm_x270_libertas_pdata,
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
index 05bfa1b1c001..f0fe9a51dfcc 100644
--- a/arch/arm/mach-pxa/colibri-pxa270.c
+++ b/arch/arm/mach-pxa/colibri-pxa270.c
@@ -218,8 +218,8 @@ static struct resource colibri_pxa270_dm9000_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         {
-                .start  = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
-                .end    = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+                .start  = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+                .end    = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
         },
 };
@@ -249,7 +249,7 @@ static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
 };
 
 static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
-        .irq            = gpio_to_irq(GPIO113_COLIBRI_PXA270_TS_IRQ),
+        .irq            = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ),
 };
 
 static struct platform_device colibri_pxa270_ucb1400_device = {
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index c825e8bf2db1..0a6222e20f9b 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -78,8 +78,8 @@ static struct resource colibri_asix_resource[] = {
                 .flags = IORESOURCE_MEM,
         },
         [1] = {
-                .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
-                .end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
+                .start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
+                .end   = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
                 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
         }
 };
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index 692e1ffc5586..8cbb2b43ed11 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -115,8 +115,8 @@ static struct resource colibri_asix_resource[] = {
                 .flags = IORESOURCE_MEM,
         },
         [1] = {
-                .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
-                .end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
+                .start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
+                .end   = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
                 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
         }
 };
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 549468d088b9..3812ba0ff50c 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -531,7 +531,7 @@ static struct spi_board_info corgi_spi_devices[] = {
                 .chip_select    = 0,
                 .platform_data  = &corgi_ads7846_info,
                 .controller_data= &corgi_ads7846_chip,
-                .irq            = gpio_to_irq(CORGI_GPIO_TP_INT),
+                .irq            = PXA_GPIO_TO_IRQ(CORGI_GPIO_TP_INT),
         }, {
                 .modalias       = "corgi-lcd",
                 .max_speed_hz   = 50000,
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index 6f6368ece9bd..82e9976e5657 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -252,8 +252,8 @@ static struct resource asic3_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
-                .end    = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
+                .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
+                .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
                 .flags  = IORESOURCE_IRQ,
         },
         /* SD part */
@@ -263,8 +263,8 @@ static struct resource asic3_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [3] = {
-                .start  = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
-                .end    = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
+                .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
+                .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
                 .flags  = IORESOURCE_IRQ,
         },
 };
@@ -587,7 +587,7 @@ static struct spi_board_info tsc2046_board_info[] __initdata = {
                 .modalias        = "ads7846",
                 .bus_num         = 2,
                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
-                .irq             = gpio_to_irq(GPIO58_HX4700_TSC2046_nPENIRQ),
+                .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
                 .platform_data   = &tsc2046_info,
                 .controller_data = &tsc2046_chip,
         },
@@ -635,15 +635,15 @@ static struct resource power_supply_resources[] = {
                 .name  = "ac",
                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                          IORESOURCE_IRQ_LOWEDGE,
-                .start = gpio_to_irq(GPIOD9_nAC_IN),
-                .end   = gpio_to_irq(GPIOD9_nAC_IN),
+                .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
+                .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
         },
         [1] = {
                 .name  = "usb",
                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                          IORESOURCE_IRQ_LOWEDGE,
-                .start = gpio_to_irq(GPIOD14_nUSBC_DETECT),
-                .end   = gpio_to_irq(GPIOD14_nUSBC_DETECT),
+                .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
+                .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
         },
 };
 
diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c
index f78d5db758da..33e81e87a9da 100644
--- a/arch/arm/mach-pxa/icontrol.c
+++ b/arch/arm/mach-pxa/icontrol.c
@@ -86,7 +86,7 @@ static struct spi_board_info mcp251x_board_info[] = {
                 .chip_select     = 0,
                 .platform_data   = &mcp251x_info,
                 .controller_data = &mcp251x_chip_info1,
-                .irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ1)
+                .irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ1)
         },
         {
                 .modalias        = "mcp2515",
@@ -95,7 +95,7 @@ static struct spi_board_info mcp251x_board_info[] = {
                 .chip_select     = 1,
                 .platform_data   = &mcp251x_info,
                 .controller_data = &mcp251x_chip_info2,
-                .irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ2)
+                .irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ2)
         },
         {
                 .modalias        = "mcp2515",
@@ -104,7 +104,7 @@ static struct spi_board_info mcp251x_board_info[] = {
                 .chip_select     = 0,
                 .platform_data   = &mcp251x_info,
                 .controller_data = &mcp251x_chip_info3,
-                .irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ3)
+                .irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ3)
         },
         {
                 .modalias        = "mcp2515",
@@ -113,7 +113,7 @@ static struct spi_board_info mcp251x_board_info[] = {
                 .chip_select     = 1,
                 .platform_data   = &mcp251x_info,
                 .controller_data = &mcp251x_chip_info4,
-                .irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ4)
+                .irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ4)
         }
 };
 
diff --git a/arch/arm/mach-pxa/include/mach/csb726.h b/arch/arm/mach-pxa/include/mach/csb726.h
index 747ab1a71f2f..2628e7b72116 100644
--- a/arch/arm/mach-pxa/include/mach/csb726.h
+++ b/arch/arm/mach-pxa/include/mach/csb726.h
@@ -19,8 +19,8 @@
 #define CSB726_FLASH_SIZE       (64 * 1024 * 1024)
 #define CSB726_FLASH_uMON       (8 * 1024 * 1024)
 
-#define CSB726_IRQ_LAN          gpio_to_irq(CSB726_GPIO_IRQ_LAN)
-#define CSB726_IRQ_SM501        gpio_to_irq(CSB726_GPIO_IRQ_SM501)
+#define CSB726_IRQ_LAN          PXA_GPIO_TO_IRQ(CSB726_GPIO_IRQ_LAN)
+#define CSB726_IRQ_SM501        PXA_GPIO_TO_IRQ(CSB726_GPIO_IRQ_SM501)
 
 #endif
 
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index 13b903907087..5cf0137e64d9 100644
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -28,8 +28,5 @@
 /* The defines for the driver are needed for the accelerated accessors */
 #include "gpio-pxa.h"
 
-#define gpio_to_irq(gpio)       PXA_GPIO_TO_IRQ(gpio)
-#define irq_to_gpio(irq)        (irq - PXA_GPIO_TO_IRQ(0))
-
 #include <plat/gpio.h>
 #endif
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 9cd235698771..27147f6ff7cb 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -395,7 +395,7 @@ static struct i2c_board_info littleton_i2c_info[] = {
                 .type           = "da9034",
                 .addr           = 0x34,
                 .platform_data  = &littleton_da9034_info,
-                .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
+                .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
         },
         [1] = {
                 .type           = "max7320",
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 4b796c37af3e..e340ea084248 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -184,8 +184,8 @@ static struct resource egpio_resources[] = {
                 .flags = IORESOURCE_MEM,
         },
         [1] = {
-                .start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
-                .end   = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
+                .start = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
+                .end   = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
                 .flags = IORESOURCE_IRQ,
         },
 };
@@ -468,8 +468,8 @@ static struct resource pasic3_resources[] = {
         },
         /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
         [1] = {
-                .start  = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
-                .end    = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
+                .start  = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
+                .end    = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         }
 };
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index b938fc2c316a..23f90c74c191 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -541,15 +541,15 @@ static struct pda_power_pdata power_pdata = {
 static struct resource power_resources[] = {
         [0] = {
                 .name   = "ac",
-                .start  = gpio_to_irq(GPIO96_AC_DETECT),
-                .end    = gpio_to_irq(GPIO96_AC_DETECT),
+                .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
+                .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                 IORESOURCE_IRQ_LOWEDGE,
         },
         [1] = {
                 .name   = "usb",
-                .start  = gpio_to_irq(GPIO13_nUSB_DETECT),
-                .end    = gpio_to_irq(GPIO13_nUSB_DETECT),
+                .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
+                .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                 IORESOURCE_IRQ_LOWEDGE,
         },
diff --git a/arch/arm/mach-pxa/mxm8x10.c b/arch/arm/mach-pxa/mxm8x10.c
index b5a8fd3fce04..a13a1e365851 100644
--- a/arch/arm/mach-pxa/mxm8x10.c
+++ b/arch/arm/mach-pxa/mxm8x10.c
@@ -416,8 +416,8 @@ static struct resource dm9k_resources[] = {
                .flags = IORESOURCE_MEM
         },
         [2] = {
-               .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)),
-               .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)),
+               .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)),
+               .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)),
                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
         }
 };
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 1e6d796829ac..8ee4b6cfa385 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -212,7 +212,7 @@ static struct spi_board_info poodle_spi_devices[] = {
                 .bus_num        = 1,
                 .platform_data  = &poodle_ads7846_info,
                 .controller_data= &poodle_ads7846_chip,
-                .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
+                .irq            = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
         },
 };
 
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index f05f9486b0cb..0f38cfce5c35 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -287,7 +287,7 @@ static inline void pxa25x_init_pm(void) {}
 
 static int pxa25x_set_wake(struct irq_data *d, unsigned int on)
 {
-        int gpio = irq_to_gpio(d->irq);
+        int gpio = pxa_irq_to_gpio(d->irq);
         uint32_t mask = 0;
 
         if (gpio >= 0 && gpio < 85)
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index bc5a98ebaa72..44563a0997bd 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -355,7 +355,7 @@ static inline void pxa27x_init_pm(void) {}
  */
 static int pxa27x_set_wake(struct irq_data *d, unsigned int on)
 {
-        int gpio = irq_to_gpio(d->irq);
+        int gpio = pxa_irq_to_gpio(d->irq);
         uint32_t mask;
 
         if (gpio >= 0 && gpio < 128)
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 6810cddec927..9c58e87f2b82 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -292,8 +292,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         {
-                .start  = gpio_to_irq(GPIO_ETH_IRQ),
-                .end    = gpio_to_irq(GPIO_ETH_IRQ),
+                .start  = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
+                .end    = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
         }
 };
@@ -671,7 +671,7 @@ static struct lis3lv02d_platform_data lis3_pdata = {
         .chip_select    = 1,                    \
         .controller_data = (void *) GPIO_ACCEL_CS,      \
         .platform_data  = &lis3_pdata,          \
-        .irq            = gpio_to_irq(GPIO_ACCEL_IRQ),  \
+        .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 }
 
 #define SPI_DAC7512     \
@@ -955,7 +955,7 @@ static struct eeti_ts_platform_data eeti_ts_pdata = {
 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
         .type   = "eeti_ts",
         .addr   = 0x0a,
-        .irq    = gpio_to_irq(GPIO_TOUCH_IRQ),
+        .irq    = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
         .platform_data = &eeti_ts_pdata,
 };
 
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index fc2c1e05af9c..423ec899a8a8 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -96,8 +96,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)),
-                .end    = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)),
+                .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO97)),
+                .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO97)),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         }
 };
@@ -502,7 +502,7 @@ static struct i2c_board_info saar_i2c_info[] = {
                 .type           = "da9034",
                 .addr           = 0x34,
                 .platform_data  = &saar_da9034_info,
-                .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)),
+                .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)),
         },
 };
 
diff --git a/arch/arm/mach-pxa/saarb.c b/arch/arm/mach-pxa/saarb.c
index 3e999e308a2d..d1cdd6a081ed 100644
--- a/arch/arm/mach-pxa/saarb.c
+++ b/arch/arm/mach-pxa/saarb.c
@@ -92,7 +92,7 @@ static struct i2c_board_info saarb_i2c_info[] = {
                 .type           = "88PM860x",
                 .addr           = 0x34,
                 .platform_data  = &saarb_pm8607_info,
-                .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)),
+                .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)),
         },
 };
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 953a9195f9e5..1b39cec03cce 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -552,7 +552,7 @@ static struct spi_board_info spitz_spi_devices[] = {
                 .chip_select            = 0,
                 .platform_data          = &spitz_ads7846_info,
                 .controller_data        = &spitz_ads7846_chip,
-                .irq                    = gpio_to_irq(SPITZ_GPIO_TP_INT),
+                .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
         }, {
                 .modalias               = "corgi-lcd",
                 .max_speed_hz           = 50000,
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index bbf79d532d1e..940ca56b37f9 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -546,7 +546,7 @@ static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
                 .type = "da9030",
                 .addr = 0x49,
                 .platform_data = &imote2_da9030_pdata,
-                .irq = gpio_to_irq(1),
+                .irq = PXA_GPIO_TO_IRQ(1),
         },
 };
 
@@ -913,7 +913,7 @@ static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
                 .type = "da9030",
                 .addr = 0x49,
                 .platform_data = &stargate2_da9030_pdata,
-                .irq = gpio_to_irq(1),
+                .irq = PXA_GPIO_TO_IRQ(1),
         },
 };
 
diff --git a/arch/arm/mach-pxa/tavorevb.c b/arch/arm/mach-pxa/tavorevb.c
index ad47bb98f30d..43bdcb9761f2 100644
--- a/arch/arm/mach-pxa/tavorevb.c
+++ b/arch/arm/mach-pxa/tavorevb.c
@@ -85,8 +85,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)),
-                .end    = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)),
+                .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
+                .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         }
 };
diff --git a/arch/arm/mach-pxa/tavorevb3.c b/arch/arm/mach-pxa/tavorevb3.c
index fd569167302a..46c60b3cbe79 100644
--- a/arch/arm/mach-pxa/tavorevb3.c
+++ b/arch/arm/mach-pxa/tavorevb3.c
@@ -101,7 +101,7 @@ static struct i2c_board_info evb3_i2c_info[] = {
                 .type           = "88PM860x",
                 .addr           = 0x34,
                 .platform_data  = &evb3_pm8607_info,
-                .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)),
+                .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)),
         },
 };
 
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 402b0c96613b..1ddb9826448a 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -404,8 +404,8 @@ static struct pda_power_pdata tosa_power_data = {
 static struct resource tosa_power_resource[] = {
         {
                 .name           = "ac",
-                .start          = gpio_to_irq(TOSA_GPIO_AC_IN),
-                .end            = gpio_to_irq(TOSA_GPIO_AC_IN),
+                .start          = PXA_GPIO_TO_IRQ(TOSA_GPIO_AC_IN),
+                .end            = PXA_GPIO_TO_IRQ(TOSA_GPIO_AC_IN),
                 .flags          = IORESOURCE_IRQ |
                                   IORESOURCE_IRQ_HIGHEDGE |
                                   IORESOURCE_IRQ_LOWEDGE,
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 242ddae332d3..d9a653a77176 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -422,8 +422,8 @@ static struct resource smc91x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
-                .start  = gpio_to_irq(VIPER_ETH_GPIO),
-                .end    = gpio_to_irq(VIPER_ETH_GPIO),
+                .start  = PXA_GPIO_TO_IRQ(VIPER_ETH_GPIO),
+                .end    = PXA_GPIO_TO_IRQ(VIPER_ETH_GPIO),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         },
         [2] = {
@@ -546,7 +546,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
         /* External UARTs */
         {
                 .mapbase        = VIPER_UARTA_PHYS,
-                .irq            = gpio_to_irq(VIPER_UARTA_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(VIPER_UARTA_GPIO),
                 .irqflags       = IRQF_TRIGGER_RISING,
                 .uartclk        = 1843200,
                 .regshift       = 1,
@@ -556,7 +556,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
         },
         {
                 .mapbase        = VIPER_UARTB_PHYS,
-                .irq            = gpio_to_irq(VIPER_UARTB_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(VIPER_UARTB_GPIO),
                 .irqflags       = IRQF_TRIGGER_RISING,
                 .uartclk        = 1843200,
                 .regshift       = 1,
@@ -596,8 +596,8 @@ static struct resource isp116x_resources[] = {
                 .flags  = IORESOURCE_MEM,
         },
         [2] = {
-                .start  = gpio_to_irq(VIPER_USB_GPIO),
-                .end    = gpio_to_irq(VIPER_USB_GPIO),
+                .start  = PXA_GPIO_TO_IRQ(VIPER_USB_GPIO),
+                .end    = PXA_GPIO_TO_IRQ(VIPER_USB_GPIO),
                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
         },
 };
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index 585e4f443e15..bf2403c424bf 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -610,8 +610,8 @@ static struct resource vpac270_ide_resources[] = {
                .flags   = IORESOURCE_DMA
         },
         [3] = { /* IDE IRQ pin */
-               .start   = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
-               .end     = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
+               .start   = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
+               .end     = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
                .flags   = IORESOURCE_IRQ
         }
 };
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index ead32c90fec1..424661833ce2 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -573,7 +573,7 @@ static struct spi_board_info spi_board_info[] __initdata = {
         .modalias               = "libertas_spi",
         .platform_data          = &z2_lbs_pdata,
         .controller_data        = &z2_lbs_chip_info,
-        .irq                    = gpio_to_irq(GPIO36_ZIPITZ2_WIFI_IRQ),
+        .irq                    = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
         .max_speed_hz           = 13000000,
         .bus_num                = 1,
         .chip_select            = 0,
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 498b83b089f3..68de9c17e4c5 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -233,7 +233,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
         /* FIXME: Shared IRQs on COM1-COM4 will not work properly on v1i1 hardware. */
         { /* COM1 */
                 .mapbase        = 0x10000000,
-                .irq            = gpio_to_irq(ZEUS_UARTA_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(ZEUS_UARTA_GPIO),
                 .irqflags       = IRQF_TRIGGER_RISING,
                 .uartclk        = 14745600,
                 .regshift       = 1,
@@ -242,7 +242,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
         },
         { /* COM2 */
                 .mapbase        = 0x10800000,
-                .irq            = gpio_to_irq(ZEUS_UARTB_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(ZEUS_UARTB_GPIO),
                 .irqflags       = IRQF_TRIGGER_RISING,
                 .uartclk        = 14745600,
                 .regshift       = 1,
@@ -251,7 +251,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
         },
         { /* COM3 */
                 .mapbase        = 0x11000000,
-                .irq            = gpio_to_irq(ZEUS_UARTC_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(ZEUS_UARTC_GPIO),
                 .irqflags       = IRQF_TRIGGER_RISING,
                 .uartclk        = 14745600,
                 .regshift       = 1,
@@ -260,7 +260,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
         },
         { /* COM4 */
                 .mapbase        = 0x11800000,
-                .irq            = gpio_to_irq(ZEUS_UARTD_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(ZEUS_UARTD_GPIO),
                 .irqflags       = IRQF_TRIGGER_RISING,
                 .uartclk        = 14745600,
                 .regshift       = 1,
@@ -321,8 +321,8 @@ static struct resource zeus_dm9k0_resource[] = {
                 .flags = IORESOURCE_MEM
         },
         [2] = {
-                .start = gpio_to_irq(ZEUS_ETH0_GPIO),
-                .end   = gpio_to_irq(ZEUS_ETH0_GPIO),
+                .start = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO),
+                .end   = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO),
                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
         },
 };
@@ -339,8 +339,8 @@ static struct resource zeus_dm9k1_resource[] = {
                 .flags = IORESOURCE_MEM,
         },
         [2] = {
-                .start = gpio_to_irq(ZEUS_ETH1_GPIO),
-                .end   = gpio_to_irq(ZEUS_ETH1_GPIO),
+                .start = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO),
+                .end   = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO),
                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
         },
 };
@@ -423,7 +423,7 @@ static struct spi_board_info zeus_spi_board_info[] = {
         [0] = {
                 .modalias       = "mcp2515",
                 .platform_data  = &zeus_mcp2515_pdata,
-                .irq            = gpio_to_irq(ZEUS_CAN_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(ZEUS_CAN_GPIO),
                 .max_speed_hz   = 1*1000*1000,
                 .bus_num        = 3,
                 .mode           = SPI_MODE_0,
@@ -753,7 +753,7 @@ static struct i2c_board_info __initdata zeus_i2c_devices[] = {
         {
                 I2C_BOARD_INFO("pca9535",       0x20),
                 .platform_data  = &zeus_pca953x_pdata[2],
-                .irq            = gpio_to_irq(ZEUS_EXTGPIO_GPIO),
+                .irq            = PXA_GPIO_TO_IRQ(ZEUS_EXTGPIO_GPIO),
         },
         { I2C_BOARD_INFO("lm75a",       0x48) },
         { I2C_BOARD_INFO("24c01",       0x50) },
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 31d496891891..2406fd2727ef 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -407,8 +407,8 @@ static void __init zylonite_init(void)
          * Note: We depend that the bootloader set
          * the correct value to MSC register for SMC91x.
          */
-        smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
-        smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
+        smc91x_resources[1].start = PXA_GPIO_TO_IRQ(gpio_eth_irq);
+        smc91x_resources[1].end   = PXA_GPIO_TO_IRQ(gpio_eth_irq);
         platform_device_register(&smc91x_device);
 
         pxa_set_ac97_info(NULL);
diff --git a/arch/arm/plat-pxa/include/plat/gpio-pxa.h b/arch/arm/plat-pxa/include/plat/gpio-pxa.h
index b6390beff323..15bf9be051e8 100644
--- a/arch/arm/plat-pxa/include/plat/gpio-pxa.h
+++ b/arch/arm/plat-pxa/include/plat/gpio-pxa.h
@@ -40,5 +40,6 @@ extern int pxa_last_gpio;
 typedef int (*set_wake_t)(struct irq_data *d, unsigned int on);
 
 extern void pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn);
+extern int pxa_irq_to_gpio(int irq);
 
 #endif /* __PLAT_PXA_GPIO_H */
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index a4121bb50cf2..3e76c588f080 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -39,8 +39,19 @@ struct pxa_gpio_chip {
 #endif
 };
 
+enum {
+        PXA25X_GPIO = 0,
+        PXA26X_GPIO,
+        PXA27X_GPIO,
+        PXA3XX_GPIO,
+        PXA93X_GPIO,
+        MMP_GPIO = 0x10,
+        MMP2_GPIO,
+};
+
 static DEFINE_SPINLOCK(gpio_lock);
 static struct pxa_gpio_chip *pxa_gpio_chips;
+static int gpio_type;
 
 #define for_each_gpio_chip(i, c)                        \
         for (i = 0, c = &pxa_gpio_chips[0]; i <= pxa_last_gpio; i += 32, c++)
@@ -55,6 +66,75 @@ static inline struct pxa_gpio_chip *gpio_to_pxachip(unsigned gpio)
         return &pxa_gpio_chips[gpio_to_bank(gpio)];
 }
 
+static inline int gpio_is_pxa_type(int type)
+{
+        return (type & MMP_GPIO) == 0;
+}
+
+static inline int gpio_is_mmp_type(int type)
+{
+        return (type & MMP_GPIO) != 0;
+}
+
+#ifdef CONFIG_ARCH_PXA
+static inline int __pxa_gpio_to_irq(int gpio)
+{
+        if (gpio_is_pxa_type(gpio_type))
+                return PXA_GPIO_TO_IRQ(gpio);
+        return -1;
+}
+
+static inline int __pxa_irq_to_gpio(int irq)
+{
+        if (gpio_is_pxa_type(gpio_type))
+                return irq - PXA_GPIO_TO_IRQ(0);
+        return -1;
+}
+#else
+static inline int __pxa_gpio_to_irq(int gpio) { return -1; }
+static inline int __pxa_irq_to_gpio(int irq) { return -1; }
+#endif
+
+#ifdef CONFIG_ARCH_MMP
+static inline int __mmp_gpio_to_irq(int gpio)
+{
+        if (gpio_is_mmp_type(gpio_type))
+                return MMP_GPIO_TO_IRQ(gpio);
+        return -1;
+}
+
+static inline int __mmp_irq_to_gpio(int irq)
+{
+        if (gpio_is_mmp_type(gpio_type))
+                return irq - MMP_GPIO_TO_IRQ(0);
+        return -1;
+}
+#else
+static inline int __mmp_gpio_to_irq(int gpio) { return -1; }
+static inline int __mmp_irq_to_gpio(int irq) { return -1; }
+#endif
+
+static int pxa_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+        int gpio, ret;
+
+        gpio = chip->base + offset;
+        ret = __pxa_gpio_to_irq(gpio);
+        if (ret >= 0)
+                return ret;
+        return __mmp_gpio_to_irq(gpio);
+}
+
+int pxa_irq_to_gpio(int irq)
+{
+        int ret;
+
+        ret = __pxa_irq_to_gpio(irq);
+        if (ret >= 0)
+                return ret;
+        return __mmp_irq_to_gpio(irq);
+}
+
 static int pxa_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
         void __iomem *base = gpio_chip_base(chip);
@@ -131,6 +211,7 @@ static int __init pxa_init_gpio_chip(int gpio_end)
                 c->direction_output = pxa_gpio_direction_output;
                 c->get = pxa_gpio_get;
                 c->set = pxa_gpio_set;
+                c->to_irq = pxa_gpio_to_irq;
 
                 /* number of GPIOs on last bank may be less than 32 */
                 c->ngpio = (gpio + 31 > gpio_end) ? (gpio_end - gpio + 1) : 32;
@@ -158,7 +239,7 @@ static inline void update_edge_detect(struct pxa_gpio_chip *c)
 static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type)
 {
         struct pxa_gpio_chip *c;
-        int gpio = irq_to_gpio(d->irq);
+        int gpio = pxa_irq_to_gpio(d->irq);
         unsigned long gpdr, mask = GPIO_bit(gpio);
 
         c = gpio_to_pxachip(gpio);
@@ -229,7 +310,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
 
 static void pxa_ack_muxed_gpio(struct irq_data *d)
 {
-        int gpio = irq_to_gpio(d->irq);
+        int gpio = pxa_irq_to_gpio(d->irq);
         struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
 
         __raw_writel(GPIO_bit(gpio), c->regbase + GEDR_OFFSET);
@@ -237,7 +318,7 @@ static void pxa_ack_muxed_gpio(struct irq_data *d)
 
 static void pxa_mask_muxed_gpio(struct irq_data *d)
 {
-        int gpio = irq_to_gpio(d->irq);
+        int gpio = pxa_irq_to_gpio(d->irq);
         struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
         uint32_t grer, gfer;
 
@@ -251,7 +332,7 @@ static void pxa_mask_muxed_gpio(struct irq_data *d)
 
 static void pxa_unmask_muxed_gpio(struct irq_data *d)
 {
-        int gpio = irq_to_gpio(d->irq);
+        int gpio = pxa_irq_to_gpio(d->irq);
         struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
 
         c->irq_mask |= GPIO_bit(gpio);