[PATCH v2] asm-generic/gpio.h: merge basic gpiolib wrappers
Mike Frysinger
vapier at gentoo.org
Fri Oct 28 09:52:07 EST 2011
Rather than requiring architectures that use gpiolib but don't have
any need to define anything custom to copy an asm/gpio.h, merge this
code into the asm-generic/gpio.h. We add ifdef checks so that arches
can still override things while using the asm-generic/gpio.h, but on
a more fine grained per-func approach.
I've compile tested these guys (with & without GPIOLIB), but don't
have the hardware to boot:
- alpha defconfig
- arm: every defconfig
- blackfin defconfig
- ia64 defconfig
- m68k: multi & m5208evb defconfig
- mips: ar7 & ath79 & bcm47xx & bcm63xx & ip22 defconfig
- powerpc: mpc85xx & ppc64 defconfig
- sh: kfr2r09 defconfig
- sparc defconfig
- x86_64 defconfig
There is concern for adding code to the arm gpio headers, but since my
diffstat removes more than it adds, and it only adds when there are funcs
which need to be customized in the first place, I think this holds to the
desire to ultimately kill off (when possible) the misc sub gpio headers.
After all, if you can kill the overridden function, my additional lines
shouldn't be needed either.
I don't have any toolchains for avr32, microblaze, openrisc, unicore32,
or xtensa. So they lose :x.
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
v2
- grub through arm gpio.h headers
- add m68k support
note: i've done a full build of all arm defconfigs, and any warnings
or build failures appear to be unrelated to my change (sadly, there
seem to be way more than there should be ...). i'll start a 2nd
build which compares the binary output to make sure they're the
same, but if people see something that needs more attention before
that, feel free to highlight it.
arch/alpha/include/asm/Kbuild | 2 +
arch/alpha/include/asm/gpio.h | 55 -------------------
arch/arm/include/asm/gpio.h | 16 ------
arch/arm/include/asm/hardware/iop3xx-gpio.h | 21 ++------
arch/arm/mach-davinci/include/mach/gpio.h | 11 ++--
arch/arm/mach-ixp4xx/include/mach/gpio.h | 8 +--
arch/arm/mach-ks8695/include/mach/gpio.h | 1 +
arch/arm/mach-mmp/include/mach/gpio.h | 2 -
arch/arm/mach-pxa/include/mach/gpio.h | 2 +-
arch/arm/mach-sa1100/include/mach/gpio.h | 13 ++---
arch/arm/mach-shmobile/include/mach/gpio.h | 16 ------
arch/arm/mach-w90x900/include/mach/gpio.h | 1 +
arch/arm/plat-mxc/include/mach/irqs.h | 2 -
arch/arm/plat-omap/include/plat/gpio.h | 4 +-
arch/arm/plat-pxa/include/plat/gpio.h | 6 +--
arch/avr32/mach-at32ap/include/mach/gpio.h | 19 +------
arch/blackfin/include/asm/gpio.h | 16 ++----
arch/ia64/include/asm/Kbuild | 2 +
arch/ia64/include/asm/gpio.h | 55 -------------------
arch/m68k/include/asm/gpio.h | 7 +++
arch/microblaze/include/asm/Kbuild | 2 +
arch/microblaze/include/asm/gpio.h | 53 ------------------
arch/mips/include/asm/mach-ar7/gpio.h | 5 --
arch/mips/include/asm/mach-ath79/gpio.h | 8 ++-
arch/mips/include/asm/mach-bcm47xx/gpio.h | 3 +
arch/mips/include/asm/mach-bcm63xx/gpio.h | 5 --
arch/mips/include/asm/mach-generic/gpio.h | 8 +--
arch/mips/include/asm/mach-loongson/gpio.h | 7 +--
arch/mips/include/asm/mach-rc32434/gpio.h | 10 +---
arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h | 12 +---
arch/openrisc/include/asm/Kbuild | 1 +
arch/openrisc/include/asm/gpio.h | 65 -----------------------
arch/powerpc/include/asm/Kbuild | 2 +
arch/powerpc/include/asm/gpio.h | 53 ------------------
arch/sh/include/asm/gpio.h | 32 +-----------
arch/sparc/include/asm/Kbuild | 1 +
arch/sparc/include/asm/gpio.h | 36 -------------
arch/unicore32/include/asm/gpio.h | 8 ++-
arch/x86/include/asm/Kbuild | 2 +
arch/x86/include/asm/gpio.h | 53 ------------------
arch/xtensa/include/asm/Kbuild | 2 +
arch/xtensa/include/asm/gpio.h | 56 -------------------
include/asm-generic/gpio.h | 23 ++++++++
43 files changed, 105 insertions(+), 601 deletions(-)
delete mode 100644 arch/alpha/include/asm/gpio.h
delete mode 100644 arch/ia64/include/asm/gpio.h
delete mode 100644 arch/microblaze/include/asm/gpio.h
delete mode 100644 arch/openrisc/include/asm/gpio.h
delete mode 100644 arch/powerpc/include/asm/gpio.h
delete mode 100644 arch/sparc/include/asm/gpio.h
delete mode 100644 arch/x86/include/asm/gpio.h
delete mode 100644 arch/xtensa/include/asm/gpio.h
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index e423def..0bcff1a 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -1,5 +1,7 @@
include include/asm-generic/Kbuild.asm
+generic-y += gpio.h
+
header-y += compiler.h
header-y += console.h
header-y += fpu.h
diff --git a/arch/alpha/include/asm/gpio.h b/arch/alpha/include/asm/gpio.h
deleted file mode 100644
index 7dc6a63..0000000
--- a/arch/alpha/include/asm/gpio.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Generic GPIO API implementation for Alpha.
- *
- * A stright copy of that for PowerPC which was:
- *
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
- *
- * Author: Anton Vorontsov <avorontsov at ru.mvista.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.
- */
-
-#ifndef _ASM_ALPHA_GPIO_H
-#define _ASM_ALPHA_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * We don't (yet) implement inlined/rapid versions for on-chip gpios.
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* _ASM_ALPHA_GPIO_H */
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index 11ad0bf..9818329 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -4,23 +4,7 @@
/* not all ARM platforms necessarily support this API ... */
#include <mach/gpio.h>
-#ifndef __ARM_GPIOLIB_COMPLEX
/* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */
#include <asm-generic/gpio.h>
-/* The trivial gpiolib dispatchers */
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#endif
-
-/*
- * Provide a default gpio_to_irq() which should satisfy every case.
- * However, some platforms want to do this differently, so allow them
- * to override it.
- */
-#ifndef gpio_to_irq
-#define gpio_to_irq __gpio_to_irq
-#endif
-
#endif /* _ARCH_ARM_GPIO_H */
diff --git a/arch/arm/include/asm/hardware/iop3xx-gpio.h b/arch/arm/include/asm/hardware/iop3xx-gpio.h
index 9eda7dc..4033b81 100644
--- a/arch/arm/include/asm/hardware/iop3xx-gpio.h
+++ b/arch/arm/include/asm/hardware/iop3xx-gpio.h
@@ -25,11 +25,14 @@
#ifndef __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
#define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
+/* We implement a few ourself */
+#define gpio_get_value gpio_get_value
+#define gpio_set_value gpio_set_value
+#define gpio_cansleep gpio_cansleep
+
#include <mach/hardware.h>
#include <asm-generic/gpio.h>
-#define __ARM_GPIOLIB_COMPLEX
-
#define IOP3XX_N_GPIOS 8
static inline int gpio_get_value(unsigned gpio)
@@ -57,19 +60,5 @@ static inline int gpio_cansleep(unsigned gpio)
return __gpio_cansleep(gpio);
}
-/*
- * The GPIOs are not generating any interrupt
- * Note : manuals are not clear about this
- */
-static inline int gpio_to_irq(int gpio)
-{
- return -EINVAL;
-}
-
-static inline int irq_to_gpio(int gpio)
-{
- return -EINVAL;
-}
-
#endif
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index fbaae47..1604005 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -13,6 +13,11 @@
#ifndef __DAVINCI_GPIO_H
#define __DAVINCI_GPIO_H
+/* We implement a few ourself */
+#define gpio_set_value gpio_set_value
+#define gpio_get_value gpio_get_value
+#define gpio_cansleep gpio_cansleep
+
#include <asm-generic/gpio.h>
/* The inline versions use the static inlines in the driver header */
@@ -77,10 +82,4 @@ static inline int gpio_cansleep(unsigned gpio)
return __gpio_cansleep(gpio);
}
-static inline int irq_to_gpio(unsigned irq)
-{
- /* don't support the reverse mapping */
- return -ENOSYS;
-}
-
#endif /* __DAVINCI_GPIO_H */
diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h
index 83d6b4e..7835e31 100644
--- a/arch/arm/mach-ixp4xx/include/mach/gpio.h
+++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h
@@ -28,8 +28,6 @@
#include <linux/kernel.h>
#include <mach/hardware.h>
-#define __ARM_GPIOLIB_COMPLEX
-
static inline int gpio_request(unsigned gpio, const char *label)
{
return 0;
@@ -63,17 +61,17 @@ static inline int gpio_get_value(unsigned gpio)
return value;
}
+#define gpio_get_value gpio_get_value
static inline void gpio_set_value(unsigned gpio, int value)
{
gpio_line_set(gpio, value);
}
-
-#include <asm-generic/gpio.h> /* cansleep wrappers */
+#define gpio_set_value gpio_set_value
extern int gpio_to_irq(int gpio);
#define gpio_to_irq gpio_to_irq
extern int irq_to_gpio(unsigned int irq);
+#define irq_to_gpio irq_to_gpio
#endif
-
diff --git a/arch/arm/mach-ks8695/include/mach/gpio.h b/arch/arm/mach-ks8695/include/mach/gpio.h
index f5fda36..d81c6f8 100644
--- a/arch/arm/mach-ks8695/include/mach/gpio.h
+++ b/arch/arm/mach-ks8695/include/mach/gpio.h
@@ -15,5 +15,6 @@
* Map IRQ number to GPIO line.
*/
extern int irq_to_gpio(unsigned int irq);
+#define irq_to_gpio irq_to_gpio
#endif
diff --git a/arch/arm/mach-mmp/include/mach/gpio.h b/arch/arm/mach-mmp/include/mach/gpio.h
index 6812623..871b4c8 100644
--- a/arch/arm/mach-mmp/include/mach/gpio.h
+++ b/arch/arm/mach-mmp/include/mach/gpio.h
@@ -1,8 +1,6 @@
#ifndef __ASM_MACH_GPIO_H
#define __ASM_MACH_GPIO_H
-#include <asm-generic/gpio.h>
-
#define gpio_to_irq(gpio) (IRQ_GPIO_START + (gpio))
#define irq_to_gpio(irq) ((irq) - IRQ_GPIO_START)
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index 004cade..a28277c 100644
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -24,7 +24,6 @@
#ifndef __ASM_ARCH_PXA_GPIO_H
#define __ASM_ARCH_PXA_GPIO_H
-#include <asm-generic/gpio.h>
/* The defines for the driver are needed for the accelerated accessors */
#include "gpio-pxa.h"
@@ -43,6 +42,7 @@ static inline int irq_to_gpio(unsigned int irq)
return -1;
}
+#define irq_to_gpio irq_to_gpio
#include <plat/gpio.h>
#endif
diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h
index 7036318..6198f7a 100644
--- a/arch/arm/mach-sa1100/include/mach/gpio.h
+++ b/arch/arm/mach-sa1100/include/mach/gpio.h
@@ -24,12 +24,16 @@
#ifndef __ASM_ARCH_SA1100_GPIO_H
#define __ASM_ARCH_SA1100_GPIO_H
+/* We implement a few ourself */
+#define gpio_get_value gpio_get_value
+#define gpio_set_value gpio_set_value
+#define gpio_to_irq(gpio) ((gpio < 11) ? (IRQ_GPIO0 + gpio) : \
+ (IRQ_GPIO11 - 11 + gpio))
+
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm-generic/gpio.h>
-#define __ARM_GPIOLIB_COMPLEX
-
static inline int gpio_get_value(unsigned gpio)
{
if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
@@ -49,9 +53,4 @@ static inline void gpio_set_value(unsigned gpio, int value)
__gpio_set_value(gpio, value);
}
-#define gpio_cansleep __gpio_cansleep
-
-#define gpio_to_irq(gpio) ((gpio < 11) ? (IRQ_GPIO0 + gpio) : \
- (IRQ_GPIO11 - 11 + gpio))
-
#endif
diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h
index 7bf0890..f8a5637 100644
--- a/arch/arm/mach-shmobile/include/mach/gpio.h
+++ b/arch/arm/mach-shmobile/include/mach/gpio.h
@@ -10,23 +10,7 @@
#ifndef __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H
-#include <linux/kernel.h>
-#include <linux/errno.h>
-
#define ARCH_NR_GPIOS 1024
#include <linux/sh_pfc.h>
-#ifdef CONFIG_GPIOLIB
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -ENOSYS;
-}
-
-#else
-
-#define __ARM_GPIOLIB_COMPLEX
-
-#endif /* CONFIG_GPIOLIB */
-
#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-w90x900/include/mach/gpio.h b/arch/arm/mach-w90x900/include/mach/gpio.h
index 5385a42..c905219 100644
--- a/arch/arm/mach-w90x900/include/mach/gpio.h
+++ b/arch/arm/mach-w90x900/include/mach/gpio.h
@@ -26,5 +26,6 @@ static inline int irq_to_gpio(unsigned irq)
{
return irq;
}
+#define irq_to_gpio irq_to_gpio
#endif
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index 00e812b..4589307 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -11,8 +11,6 @@
#ifndef __ASM_ARCH_MXC_IRQS_H__
#define __ASM_ARCH_MXC_IRQS_H__
-#include <asm-generic/gpio.h>
-
/*
* SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64
*/
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index 9e86ee0..1fd4986 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -219,9 +219,6 @@ extern void omap_gpio_restore_context(void);
* The original OMAP-specific calls should eventually be removed.
*/
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
static inline int irq_to_gpio(unsigned irq)
{
int tmp;
@@ -238,5 +235,6 @@ static inline int irq_to_gpio(unsigned irq)
/* we don't supply reverse mappings for non-SOC gpios */
return -EIO;
}
+#define irq_to_gpio irq_to_gpio
#endif
diff --git a/arch/arm/plat-pxa/include/plat/gpio.h b/arch/arm/plat-pxa/include/plat/gpio.h
index 258f772..4ee329c 100644
--- a/arch/arm/plat-pxa/include/plat/gpio.h
+++ b/arch/arm/plat-pxa/include/plat/gpio.h
@@ -1,8 +1,6 @@
#ifndef __PLAT_GPIO_H
#define __PLAT_GPIO_H
-#define __ARM_GPIOLIB_COMPLEX
-
/* The individual machine provides register offsets and NR_BUILTIN_GPIO */
#include <mach/gpio-pxa.h>
@@ -13,6 +11,7 @@ static inline int gpio_get_value(unsigned gpio)
else
return __gpio_get_value(gpio);
}
+#define gpio_get_value gpio_get_value
static inline void gpio_set_value(unsigned gpio, int value)
{
@@ -24,7 +23,6 @@ static inline void gpio_set_value(unsigned gpio, int value)
} else
__gpio_set_value(gpio, value);
}
-
-#define gpio_cansleep __gpio_cansleep
+#define gpio_set_value gpio_set_value
#endif /* __PLAT_GPIO_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/gpio.h b/arch/avr32/mach-at32ap/include/mach/gpio.h
index 0180f58..f2ff962 100644
--- a/arch/avr32/mach-at32ap/include/mach/gpio.h
+++ b/arch/avr32/mach-at32ap/include/mach/gpio.h
@@ -10,26 +10,13 @@
*/
#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32)
+/* We implement a few ourself */
+#define gpio_to_irq gpio_to_irq
+#define irq_to_gpio irq_to_gpio
/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
#include <asm-generic/gpio.h>
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-
static inline int gpio_to_irq(unsigned int gpio)
{
if (gpio < NR_GPIO_IRQS)
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 5a25856..6e25dcc 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -189,6 +189,12 @@ void bfin_gpio_set_value(unsigned gpio, int value);
#include <asm/errno.h>
#ifdef CONFIG_GPIOLIB
+
+/* We implement a few ourself */
+#define gpio_get_value gpio_get_value
+#define gpio_set_value gpio_set_value
+#define irq_to_gpio irq_to_gpio
+
#include <asm-generic/gpio.h> /* cansleep wrappers */
static inline int gpio_get_value(unsigned int gpio)
@@ -207,16 +213,6 @@ static inline void gpio_set_value(unsigned int gpio, int value)
__gpio_set_value(gpio, value);
}
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
#else /* !CONFIG_GPIOLIB */
static inline int gpio_request(unsigned gpio, const char *label)
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 241d1c5..d0fdd2d 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -1,5 +1,7 @@
include include/asm-generic/Kbuild.asm
+generic-y += gpio.h
+
header-y += break.h
header-y += fpu.h
header-y += gcc_intrin.h
diff --git a/arch/ia64/include/asm/gpio.h b/arch/ia64/include/asm/gpio.h
deleted file mode 100644
index 590a20d..0000000
--- a/arch/ia64/include/asm/gpio.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Generic GPIO API implementation for IA-64.
- *
- * A stright copy of that for PowerPC which was:
- *
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
- *
- * Author: Anton Vorontsov <avorontsov at ru.mvista.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.
- */
-
-#ifndef _ASM_IA64_GPIO_H
-#define _ASM_IA64_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * We don't (yet) implement inlined/rapid versions for on-chip gpios.
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* _ASM_IA64_GPIO_H */
diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
index b204683..4544b6a 100644
--- a/arch/m68k/include/asm/gpio.h
+++ b/arch/m68k/include/asm/gpio.h
@@ -16,6 +16,13 @@
#ifndef coldfire_gpio_h
#define coldfire_gpio_h
+/* We implement a few ourself */
+#define gpio_get_value gpio_get_value
+#define gpio_set_value gpio_set_value
+#define gpio_cansleep gpio_cansleep
+#define gpio_to_irq gpio_to_irq
+#define irq_to_gpio irq_to_gpio
+
#include <linux/io.h>
#include <asm-generic/gpio.h>
#include <asm/coldfire.h>
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index db5294c..5bf1ca7 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -1,3 +1,5 @@
include include/asm-generic/Kbuild.asm
+generic-y += gpio.h
+
header-y += elf.h
diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h
deleted file mode 100644
index 2b2c18b..0000000
--- a/arch/microblaze/include/asm/gpio.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Generic GPIO API implementation for PowerPC.
- *
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
- *
- * Author: Anton Vorontsov <avorontsov at ru.mvista.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.
- */
-
-#ifndef _ASM_MICROBLAZE_GPIO_H
-#define _ASM_MICROBLAZE_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * We don't (yet) implement inlined/rapid versions for on-chip gpios.
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* _ASM_MICROBLAZE_GPIO_H */
diff --git a/arch/mips/include/asm/mach-ar7/gpio.h b/arch/mips/include/asm/mach-ar7/gpio.h
index c177cd1..78f40c2 100644
--- a/arch/mips/include/asm/mach-ar7/gpio.h
+++ b/arch/mips/include/asm/mach-ar7/gpio.h
@@ -27,11 +27,6 @@
#define gpio_to_irq(gpio) -1
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-
-#define gpio_cansleep __gpio_cansleep
-
/* Board specific GPIO functions */
int ar7_gpio_enable(unsigned gpio);
int ar7_gpio_disable(unsigned gpio);
diff --git a/arch/mips/include/asm/mach-ath79/gpio.h b/arch/mips/include/asm/mach-ath79/gpio.h
index 60dcb62..2c570a0 100644
--- a/arch/mips/include/asm/mach-ath79/gpio.h
+++ b/arch/mips/include/asm/mach-ath79/gpio.h
@@ -13,6 +13,12 @@
#ifndef __ASM_MACH_ATH79_GPIO_H
#define __ASM_MACH_ATH79_GPIO_H
+/* We implement a few ourself */
+#define gpio_get_value gpio_get_value
+#define gpio_set_value gpio_set_value
+#define gpio_to_irq gpio_to_irq
+#define irq_to_gpio irq_to_gpio
+
#define ARCH_NR_GPIOS 64
#include <asm-generic/gpio.h>
@@ -21,6 +27,4 @@ int irq_to_gpio(unsigned irq);
int gpio_get_value(unsigned gpio);
void gpio_set_value(unsigned gpio, int value);
-#define gpio_cansleep __gpio_cansleep
-
#endif /* __ASM_MACH_ATH79_GPIO_H */
diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h
index 76961ca..d678316 100644
--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
+++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
@@ -19,6 +19,7 @@
extern int gpio_request(unsigned gpio, const char *label);
extern void gpio_free(unsigned gpio);
extern int gpio_to_irq(unsigned gpio);
+#define gpio_to_irq gpio_to_irq
static inline int gpio_get_value(unsigned gpio)
{
@@ -35,6 +36,7 @@ static inline int gpio_get_value(unsigned gpio)
}
return -EINVAL;
}
+#define gpio_get_value gpio_get_value
static inline void gpio_set_value(unsigned gpio, int value)
{
@@ -53,6 +55,7 @@ static inline void gpio_set_value(unsigned gpio, int value)
#endif
}
}
+#define gpio_set_value gpio_set_value
static inline int gpio_direction_input(unsigned gpio)
{
diff --git a/arch/mips/include/asm/mach-bcm63xx/gpio.h b/arch/mips/include/asm/mach-bcm63xx/gpio.h
index 1eb534d..c71bf66 100644
--- a/arch/mips/include/asm/mach-bcm63xx/gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/gpio.h
@@ -5,11 +5,6 @@
#define gpio_to_irq(gpio) -1
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-
-#define gpio_cansleep __gpio_cansleep
-
#include <asm-generic/gpio.h>
#endif /* __ASM_MIPS_MACH_BCM63XX_GPIO_H */
diff --git a/arch/mips/include/asm/mach-generic/gpio.h b/arch/mips/include/asm/mach-generic/gpio.h
index b4e7020..e8a89c5 100644
--- a/arch/mips/include/asm/mach-generic/gpio.h
+++ b/arch/mips/include/asm/mach-generic/gpio.h
@@ -1,11 +1,7 @@
#ifndef __ASM_MACH_GENERIC_GPIO_H
#define __ASM_MACH_GENERIC_GPIO_H
-#ifdef CONFIG_GPIOLIB
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#else
+#ifndef CONFIG_GPIOLIB
int gpio_request(unsigned gpio, const char *label);
void gpio_free(unsigned gpio);
int gpio_direction_input(unsigned gpio);
@@ -14,7 +10,9 @@ int gpio_get_value(unsigned gpio);
void gpio_set_value(unsigned gpio, int value);
#endif
int gpio_to_irq(unsigned gpio);
+#define gpio_to_irq gpio_to_irq
int irq_to_gpio(unsigned irq);
+#define irq_to_gpio irq_to_gpio
#include <asm-generic/gpio.h> /* cansleep wrappers */
diff --git a/arch/mips/include/asm/mach-loongson/gpio.h b/arch/mips/include/asm/mach-loongson/gpio.h
index e30e73d..df6efc0 100644
--- a/arch/mips/include/asm/mach-loongson/gpio.h
+++ b/arch/mips/include/asm/mach-loongson/gpio.h
@@ -13,6 +13,8 @@
#ifndef __STLS2F_GPIO_H
#define __STLS2F_GPIO_H
+#define gpio_to_irq gpio_to_irq
+
#include <asm-generic/gpio.h>
extern void gpio_set_value(unsigned gpio, int value);
@@ -27,9 +29,4 @@ static inline int gpio_to_irq(int gpio)
return -EINVAL;
}
-static inline int irq_to_gpio(int gpio)
-{
- return -EINVAL;
-}
-
#endif /* __STLS2F_GPIO_H */
diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h
index 12ee8d5..8b0815b 100644
--- a/arch/mips/include/asm/mach-rc32434/gpio.h
+++ b/arch/mips/include/asm/mach-rc32434/gpio.h
@@ -13,18 +13,14 @@
#ifndef _RC32434_GPIO_H_
#define _RC32434_GPIO_H_
+#define gpio_to_irq(gpio) (8 + 4 * 32 + gpio)
+#define irq_to_gpio(irq) (irq - (8 + 4 * 32))
+
#include <linux/types.h>
#include <asm-generic/gpio.h>
#define NR_BUILTIN_GPIO 32
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-
-#define gpio_to_irq(gpio) (8 + 4 * 32 + gpio)
-#define irq_to_gpio(irq) (irq - (8 + 4 * 32))
-
struct rb532_gpio_reg {
u32 gpiofunc; /* GPIO Function Register
* gpiofunc[x]==0 bit = gpio
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h b/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h
index ebdbab9..8356a8e 100644
--- a/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h
@@ -11,16 +11,15 @@
#ifndef __PMC_MSP71XX_GPIO_H
#define __PMC_MSP71XX_GPIO_H
+/* We implement a few ourself */
+#define gpio_to_irq gpio_to_irq
+
/* Max number of gpio's is 28 on chip plus 3 banks of I2C IO Expanders */
#define ARCH_NR_GPIOS (28 + (3 * 8))
/* new generic GPIO API - see Documentation/gpio.txt */
#include <asm-generic/gpio.h>
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-
/* Setup calls for the gpio and gpio extended */
extern void msp71xx_init_gpio(void);
extern void msp71xx_init_gpio_extended(void);
@@ -38,9 +37,4 @@ static inline int gpio_to_irq(unsigned gpio)
return -EINVAL;
}
-static inline int irq_to_gpio(unsigned irq)
-{
- return -EINVAL;
-}
-
#endif /* __PMC_MSP71XX_GPIO_H */
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index 11162e6..03f0823 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -23,6 +23,7 @@ generic-y += fb.h
generic-y += fcntl.h
generic-y += ftrace.h
generic-y += futex.h
+generic-y += gpio.h
generic-y += hardirq.h
generic-y += hw_irq.h
generic-y += ioctl.h
diff --git a/arch/openrisc/include/asm/gpio.h b/arch/openrisc/include/asm/gpio.h
deleted file mode 100644
index 0b0d174..0000000
--- a/arch/openrisc/include/asm/gpio.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * OpenRISC Linux
- *
- * Linux architectural port borrowing liberally from similar works of
- * others. All original copyrights apply as per the original source
- * declaration.
- *
- * OpenRISC implementation:
- * Copyright (C) 2003 Matjaz Breskvar <phoenix at bsemi.com>
- * Copyright (C) 2010-2011 Jonas Bonn <jonas at southpole.se>
- * et al.
- *
- * 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.
- */
-
-#ifndef __ASM_OPENRISC_GPIO_H
-#define __ASM_OPENRISC_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * OpenRISC (or1k) does not have on-chip GPIO's so there is not really
- * any standardized implementation that makes sense here. If passing
- * through gpiolib becomes a bottleneck then it may make sense, on a
- * case-by-case basis, to implement these inlined/rapid versions.
- *
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-/*
- * Not implemented, yet.
- */
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return -ENOSYS;
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* __ASM_OPENRISC_GPIO_H */
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index d51df17..9cf0632 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -1,5 +1,7 @@
include include/asm-generic/Kbuild.asm
+generic-y += gpio.h
+
header-y += auxvec.h
header-y += bootx.h
header-y += byteorder.h
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/gpio.h
deleted file mode 100644
index 38762ed..0000000
--- a/arch/powerpc/include/asm/gpio.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Generic GPIO API implementation for PowerPC.
- *
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
- *
- * Author: Anton Vorontsov <avorontsov at ru.mvista.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.
- */
-
-#ifndef __ASM_POWERPC_GPIO_H
-#define __ASM_POWERPC_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * We don't (yet) implement inlined/rapid versions for on-chip gpios.
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* __ASM_POWERPC_GPIO_H */
diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index 04f53d3..44fee05 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -12,9 +12,6 @@
#ifndef __ASM_SH_GPIO_H
#define __ASM_SH_GPIO_H
-#include <linux/kernel.h>
-#include <linux/errno.h>
-
#if defined(CONFIG_CPU_SH3)
#include <cpu/gpio.h>
#endif
@@ -22,33 +19,6 @@
#define ARCH_NR_GPIOS 512
#include <linux/sh_pfc.h>
-#ifdef CONFIG_GPIOLIB
-
-static inline int gpio_get_value(unsigned gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -ENOSYS;
-}
-
-#endif /* CONFIG_GPIOLIB */
+#include <asm-generic/gpio.h>
#endif /* __ASM_SH_GPIO_H */
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index 2c2e388..6d27595 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -18,6 +18,7 @@ header-y += utrap.h
header-y += watchdog.h
generic-y += div64.h
+generic-y += gpio.h
generic-y += local64.h
generic-y += irq_regs.h
generic-y += local.h
diff --git a/arch/sparc/include/asm/gpio.h b/arch/sparc/include/asm/gpio.h
deleted file mode 100644
index a0e3ac0..0000000
--- a/arch/sparc/include/asm/gpio.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef __ASM_SPARC_GPIO_H
-#define __ASM_SPARC_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return -ENOSYS;
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* __ASM_SPARC_GPIO_H */
diff --git a/arch/unicore32/include/asm/gpio.h b/arch/unicore32/include/asm/gpio.h
index 2716f14..437f4e8 100644
--- a/arch/unicore32/include/asm/gpio.h
+++ b/arch/unicore32/include/asm/gpio.h
@@ -13,6 +13,12 @@
#ifndef __UNICORE_GPIO_H__
#define __UNICORE_GPIO_H__
+/* We implement a few ourself */
+#define gpio_get_value gpio_get_value
+#define gpio_set_value gpio_set_value
+#define gpio_to_irq gpio_to_irq
+#define irq_to_gpio irq_to_gpio
+
#include <linux/io.h>
#include <asm/irq.h>
#include <mach/hardware.h>
@@ -83,8 +89,6 @@ static inline void gpio_set_value(unsigned gpio, int value)
__gpio_set_value(gpio, value);
}
-#define gpio_cansleep __gpio_cansleep
-
static inline unsigned gpio_to_irq(unsigned gpio)
{
if ((gpio < IRQ_GPIOHIGH) && (FIELD(1, 1, gpio) & readl(GPIO_GPIR)))
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index 6fa90a8..99d44ce 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -1,5 +1,7 @@
include include/asm-generic/Kbuild.asm
+generic-y += gpio.h
+
header-y += boot.h
header-y += bootparam.h
header-y += debugreg.h
diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h
deleted file mode 100644
index 91d915a..0000000
--- a/arch/x86/include/asm/gpio.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Generic GPIO API implementation for x86.
- *
- * Derived from the generic GPIO API for powerpc:
- *
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
- *
- * Author: Anton Vorontsov <avorontsov at ru.mvista.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.
- */
-
-#ifndef _ASM_X86_GPIO_H
-#define _ASM_X86_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* _ASM_X86_GPIO_H */
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index c68e168..7d52c50 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -1 +1,3 @@
include include/asm-generic/Kbuild.asm
+
+generic-y += gpio.h
diff --git a/arch/xtensa/include/asm/gpio.h b/arch/xtensa/include/asm/gpio.h
deleted file mode 100644
index a8c9fc4..0000000
--- a/arch/xtensa/include/asm/gpio.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Generic GPIO API implementation for xtensa.
- *
- * Stolen from x86, which is derived from the generic GPIO API for powerpc:
- *
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
- *
- * Author: Anton Vorontsov <avorontsov at ru.mvista.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.
- */
-
-#ifndef _ASM_XTENSA_GPIO_H
-#define _ASM_XTENSA_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-/*
- * Just call gpiolib.
- */
-static inline int gpio_get_value(unsigned int gpio)
-{
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
- return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
- return __gpio_to_irq(gpio);
-}
-
-/*
- * Not implemented, yet.
- */
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* _ASM_XTENSA_GPIO_H */
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index d494001..622851c 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -170,6 +170,29 @@ extern int __gpio_cansleep(unsigned gpio);
extern int __gpio_to_irq(unsigned gpio);
+#ifndef gpio_get_value
+#define gpio_get_value(gpio) __gpio_get_value(gpio)
+#endif
+
+#ifndef gpio_set_value
+#define gpio_set_value(gpio, value) __gpio_set_value(gpio, value)
+#endif
+
+#ifndef gpio_cansleep
+#define gpio_cansleep(gpio) __gpio_cansleep(gpio)
+#endif
+
+#ifndef gpio_to_irq
+#define gpio_to_irq(gpio) __gpio_to_irq(gpio)
+#endif
+
+#ifndef irq_to_gpio
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+#endif
+
/**
* struct gpio - a structure describing a GPIO with configuration
* @gpio: the GPIO number
--
1.7.6.1
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