[kernel] r18473 - in dists/trunk/linux-2.6/debian: . patches/bugfix/arm

[Arnaud Patard]

Author: rtp-guest
Date: Sun Jan  8 10:41:18 2012
New Revision: 18473

Log:
Add back ixp4xx gpiolib (fixes ftbfs on ixp4xx)

Added:
   dists/trunk/linux-2.6/debian/patches/bugfix/arm/ARM-ixp4xx-gpiolib-support.patch
Modified:
   dists/trunk/linux-2.6/debian/changelog

Modified: dists/trunk/linux-2.6/debian/changelog
==============================================================================
--- dists/trunk/linux-2.6/debian/changelog	Sun Jan  8 10:37:18 2012	(r18472)
+++ dists/trunk/linux-2.6/debian/changelog	Sun Jan  8 10:41:18 2012	(r18473)
@@ -18,6 +18,7 @@
 
   [ Arnaud Patard ]
   * disable tomoyo and apparmor to allow kernel image to fit into flash.
+  * add back ixp4xx gpiolib patch
 
  -- Ben Hutchings <ben at decadent.org.uk>  Mon, 02 Jan 2012 02:55:28 +0000
 

Added: dists/trunk/linux-2.6/debian/patches/bugfix/arm/ARM-ixp4xx-gpiolib-support.patch
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ dists/trunk/linux-2.6/debian/patches/bugfix/arm/ARM-ixp4xx-gpiolib-support.patch	Sun Jan  8 10:41:18 2012	(r18473)
@@ -0,0 +1,158 @@
+From: Imre Kaloz <kaloz at openwrt.org>
+Subject: [RFC/PATCH] ARM: ixp4xx gpiolib support
+Date: Mon,  5 Sep 2011 14:49:51 +0200
+
+This patch adds gpiolib support for the IXP4xx platform
+
+Signed-off-by: Imre Kaloz <kaloz at openwrt.org>
+---
+ arch/arm/Kconfig                         |    2 +-
+ arch/arm/mach-ixp4xx/common.c            |   39 +++++++++++++++++++++++++
+ arch/arm/mach-ixp4xx/include/mach/gpio.h |   46 ++++++++++--------------------
+ 3 files changed, 55 insertions(+), 32 deletions(-)
+
+Index: source_armel_none/arch/arm/Kconfig
+===================================================================
+--- source_armel_none.orig/arch/arm/Kconfig	2012-01-07 20:47:15.000000000 +0100
++++ source_armel_none/arch/arm/Kconfig	2012-01-07 20:51:00.390593917 +0100
+@@ -520,7 +520,7 @@ config ARCH_IXP4XX
+ 	depends on MMU
+ 	select CLKSRC_MMIO
+ 	select CPU_XSCALE
+-	select GENERIC_GPIO
++	select ARCH_REQUIRE_GPIOLIB
+ 	select GENERIC_CLOCKEVENTS
+ 	select HAVE_SCHED_CLOCK
+ 	select MIGHT_HAVE_PCI
+Index: source_armel_none/arch/arm/mach-ixp4xx/common.c
+===================================================================
+--- source_armel_none.orig/arch/arm/mach-ixp4xx/common.c	2012-01-07 20:47:15.000000000 +0100
++++ source_armel_none/arch/arm/mach-ixp4xx/common.c	2012-01-07 20:51:00.390593917 +0100
+@@ -37,6 +37,7 @@
+ #include <asm/page.h>
+ #include <asm/irq.h>
+ #include <asm/sched_clock.h>
++#include <asm/gpio.h>
+ 
+ #include <asm/mach/map.h>
+ #include <asm/mach/irq.h>
+@@ -376,12 +377,50 @@ static struct platform_device *ixp46x_de
+ 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,
++	.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;
+ 
+Index: source_armel_none/arch/arm/mach-ixp4xx/include/mach/gpio.h
+===================================================================
+--- source_armel_none.orig/arch/arm/mach-ixp4xx/include/mach/gpio.h	2012-01-07 20:47:15.000000000 +0100
++++ source_armel_none/arch/arm/mach-ixp4xx/include/mach/gpio.h	2012-01-07 20:51:00.390593917 +0100
+@@ -27,49 +27,33 @@
+ 
+ #include <linux/kernel.h>
+ #include <mach/hardware.h>
++#include <asm-generic/gpio.h>			/* cansleep wrappers */
+ 
+ #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;
+-}
++#define NR_BUILTIN_GPIO 16
+ 
+ static inline int gpio_get_value(unsigned gpio)
+ {
+-	int value;
+-
+-	gpio_line_get(gpio, &value);
+-
+-	return value;
++	if (gpio < NR_BUILTIN_GPIO)
++	{
++		int value;
++		gpio_line_get(gpio, &value);
++		return value;
++	}
++	else
++		return __gpio_get_value(gpio);
+ }
+ 
+ static inline void gpio_set_value(unsigned gpio, int value)
+ {
+-	gpio_line_set(gpio, value);
++	if (gpio < NR_BUILTIN_GPIO)
++		gpio_line_set(gpio, value);
++	else
++		__gpio_set_value(gpio, value);
+ }
+ 
+-#include <asm-generic/gpio.h>			/* cansleep wrappers */
++#define gpio_cansleep __gpio_cansleep
+ 
+ extern int gpio_to_irq(int gpio);
+ #define gpio_to_irq gpio_to_irq